InterDigital (IDCC) 10-Q 4 May 23 2023 Q1 Quarterly report Financial data

Cover Page

Cover Page - shares	3 Months Ended
	Mar. 31, 2023	May 02, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	1-33579
Entity Registrant Name	INTERDIGITAL, INC.
Entity Incorporation, State or Country Code	PA
Entity Tax Identification Number	82-4936666
Entity Address, Address Line One	200 Bellevue Parkway
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Wilmington
Entity Address, State or Province	DE
Entity Address, Postal Zip Code	19809-3727
City Area Code	302
Local Phone Number	281-3600
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	IDCC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		26,741,717
Entity Central Index Key	0001405495
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 430,625	$ 693,479
Short-term investments	520,059	508,298
Accounts receivable	144,038	53,182
Prepaid and other current assets	101,692	89,716
Total current assets	1,196,414	1,344,675
NON-CURRENT ASSETS:
PROPERTY AND EQUIPMENT, NET	11,445	11,338
PATENTS, NET	344,205	353,999
DEFERRED TAX ASSETS	81,748	94,373
OTHER NON-CURRENT ASSETS, NET	114,746	95,720
Total non-current assets	552,144	555,430
TOTAL ASSETS	1,748,558	1,900,105
CURRENT LIABILITIES:
Accounts payable	8,464	9,997
Accrued compensation and related expenses	18,565	38,400
Deferred revenue	178,816	189,059
Dividends payable	9,449	10,384
Other accrued expenses	39,099	23,506
Total current liabilities	254,393	271,346
LONG-TERM DEBT	607,914	607,066
LONG-TERM DEFERRED REVENUE	205,057	237,580
OTHER LONG-TERM LIABILITIES	55,893	53,600
TOTAL LIABILITIES	1,123,257	1,169,592
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	0	0
Common Stock, $0.01 par value, 100,000 shares authorized, 69,329 and 71,923 shares issued and 27,074 and 29,668 shares outstanding	693	719
Additional paid-in capital	719,129	717,102
Retained earnings	1,384,243	1,492,046
Accumulated other comprehensive loss	(337)	(916)
TOTAL SHAREHOLDERS’ EQUITY	2,103,728	2,208,951
Treasury stock, 42,255 and 42,255 shares of common stock held at cost	1,484,056	1,484,056
Total InterDigital, Inc. shareholders’ equity	619,672	724,895
Noncontrolling interest	5,629	5,618
Total equity	625,301	730,513
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 1,748,558	$ 1,900,105

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
SHAREHOLDERS’ EQUITY:
Preferred stock, par value (in USD per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized (in shares)	14,399,000	14,399,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	69,329,000	71,923,000
Common stock, shares outstanding (in shares)	27,074,000	29,668,000
Treasury stock, shares of common held at cost (in shares)	42,255,000	42,255,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
REVENUES
REVENUES	$ 202,373	$ 101,318
OPERATING EXPENSES:
Research and portfolio development	49,429	44,177
Licensing	21,368	15,530
General and administrative	12,315	10,884
Restructuring activities	0	542
Total Operating expenses	83,112	71,133
Income from operations	119,261	30,185
INTEREST EXPENSE	(12,087)	(5,515)
OTHER INCOME (EXPENSE), NET	13,191	(1,005)
Income before income taxes	120,365	23,665
INCOME TAX PROVISION	(16,845)	(5,961)
NET INCOME	103,520	17,704
Net loss attributable to noncontrolling interest	(1,739)	(290)
NET INCOME ATTRIBUTABLE TO INTERDIGITAL, INC.	$ 105,259	$ 17,994
NET INCOME PER COMMON SHARE — BASIC (in USD per share)	$ 3.66	$ 0.59
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — BASIC (in shares)	28,780	30,703
NET INCOME PER COMMON SHARE — DILUTED (in USD per share)	$ 3.58	$ 0.58
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — DILUTED (in shares)	29,372	31,275

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 103,520	$ 17,704
Unrealized gain (loss) on investments, net of tax	579	(310)
Comprehensive income	104,099	17,394
Comprehensive loss attributable to noncontrolling interest	(1,739)	(290)
Total comprehensive income attributable to InterDigital, Inc.	$ 105,838	$ 17,684

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		71,720
Beginning balance (in shares) at Dec. 31, 2021						41,031
Beginning balance at Dec. 31, 2021	$ 752,917	$ 717	$ 713,599	$ 1,441,105	$ (571)	$ (1,409,611)	$ 7,678
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	17,994			17,994
Net loss attributable to noncontrolling interest	(290)						(290)
Noncontrolling interest contributions	1,928						1,928
Noncontrolling interest contributions	1,500						1,500
Net change in unrealized loss on short-term investments	(310)				(310)
Dividends declared ($0.35 per share)	(10,803)		158	(10,961)
Exercise of common stock options (in shares)		24
Exercise of common stock options	1,226		1,226
Stock Issued During Period, Value, New Issues	(5,026)	$ 1	(5,027)
Stock Issued During Period, Shares, New Issues		139
Amortization of unearned compensation	5,386		5,386
Ending balance (in shares) at Mar. 31, 2022		71,883
Ending balance (in shares) at Mar. 31, 2022						41,031
Ending balance at Mar. 31, 2022	$ 760,666	$ 718	715,342	1,448,138	(881)	$ (1,409,611)	6,960
Beginning balance (in shares) at Dec. 31, 2022	29,668	71,923
Beginning balance (in shares) at Dec. 31, 2022	42,255					42,255
Beginning balance at Dec. 31, 2022	$ 730,513	$ 719	717,102	1,492,046	(916)	$ (1,484,056)	5,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	105,259			105,259
Net loss attributable to noncontrolling interest	(1,739)						(1,739)
Noncontrolling interest contributions	1,750						1,750
Net change in unrealized loss on short-term investments	579				579
Dividends declared ($0.35 per share)	(9,449)		259	(9,708)
Exercise of common stock options (in shares)		13
Exercise of common stock options	687		687
Stock Issued During Period, Value, New Issues	(6,708)	$ 1	(6,709)
Stock Issued During Period, Shares, New Issues		132
Amortization of unearned compensation	7,790		7,790
Repurchase of common stock (in shares)		2,739
Repurchase of common stock	$ (203,381)	$ (27)		(203,354)
Ending balance (in shares) at Mar. 31, 2023	27,074	69,329
Ending balance (in shares) at Mar. 31, 2023	42,255					42,255
Ending balance at Mar. 31, 2023	$ 625,301	$ 693	$ 719,129	$ 1,384,243	$ (337)	$ (1,484,056)	$ 5,629

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Dividends declared (in USD per share)	$ 0.35	$ 0.35

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 103,520	$ 17,704
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	19,526	19,282
Non-cash change in fair-value	(158)	0
Non-cash interest (income) expense, net	(3,434)	1,498
Change in deferred revenue	(42,766)	(50,741)
Deferred income taxes	12,471	2,492
Share-based compensation	7,790	5,386
Asset impairment	2,500	0
Other	67	0
(Increase) decrease in assets:
Receivables	(90,856)	7,475
Deferred charges and other assets	(31,091)	(2,772)
(Decrease) increase in liabilities:
Accounts payable	(2,807)	420
Accrued compensation and other expenses	(2,614)	(18,716)
Net cash used in operating activities	(27,852)	(17,972)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments	(309,393)	(2,139)
Sales of short-term investments	303,411	119,950
Purchases of property and equipment	(1,209)	(337)
Capitalized patent costs	(7,272)	(9,872)
Net cash (used in) provided by investing activities	(14,463)	107,602
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of debt issuance costs	(100)	0
Repurchase of common stock	(203,381)	0
Net proceeds from exercise of stock options	687	1,226
Non-controlling interest contribution	1,750	1,500
Taxes withheld upon restricted stock unit vestings	(6,708)	(5,026)
Dividends paid	(10,384)	(10,741)
Net cash used in financing activities	(218,136)	(13,041)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(260,451)	76,589
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	703,161	713,224
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$ 442,710	$ 789,813

Basis of Presentation

Basis of Presentation	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BASIS OF PRESENTATION	BASIS OF PRESENTATION In the opinion of management, the accompanying unaudited, condensed consolidated financial statements contain all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the financial position of InterDigital, Inc. (individually and/or collectively with its subsidiaries referred to as “InterDigital,” the “Company,” “we,” “us” or “our,” unless otherwise indicated) as of March 31, 2023, the results of our operations for the three months ended March 31, 2023 and 2022 and our cash flows for the three months ended March 31, 2023 and 2022. The accompanying unaudited, condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, accordingly, do not include all of the detailed schedules, information and notes necessary to state fairly the financial condition, results of operations and cash flows in conformity with United States generally accepted accounting principles (“GAAP”). The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP for year-end financial statements. Therefore, these financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (our “2022 Form 10-K”) as filed with the Securities and Exchange Commission (“SEC”) on February 15, 2023. Definitions of capitalized terms not defined herein appear within our 2022 Form 10-K. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. We have one reportable segment. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates. Change in Accounting Policies There have been no material changes or updates to our existing accounting policies from the disclosures included in our 2022 Form 10-K, except as indicated below in " New Accounting Guidance ". Reclassifications Certain reclassifications have been made to prior year amounts to conform to the current year presentation. During 2022, the Company made reclassifications between the operating expenses lines on the consolidated income statement in order to more clearly reflect the Company’s investments to create and protect the value of our innovations. The Company grouped research and portfolio related costs within the line " Research and portfolio development ", previously referred to as " Development ", which resulted in reclassifying certain portfolio related costs out of the " Licensing " line, previously referred to as " Patent administration and licensing ", and into " Research and portfolio development. " The impact of this reclassification was $26.6 million for the three months ended March 31, 2022. Additionally, the previous " Selling, general, and administrative " line is now referred to as " General and administrative ". Beginning in third quarter 2022, we updated our disaggregated revenue disclosures to provide information to enable investors to better understand the composition of revenue from contracts with customers. As a result, variable patent royalty revenue and fixed-fee royalty revenue was combined and disaggregated into the Smartphone and CE, IoT/Auto groupings. Additionally, the Other category includes current technology solutions revenues and catch-up revenues is comprised of past patent royalties and revenues from static agreements. We believe this better reflects both our current revenue sources and our growth opportunities across these vertical markets. Supplemental Cash Flow Information The following table presents additional supplemental cash flow information for the three months ended March 31, 2023 and 2022 (in thousands): Three months ended March 31, SUPPLEMENTAL CASH FLOW INFORMATION: 2023 2022 Income taxes paid, including foreign withholding taxes $ 4,942 $ 3,349 Non-cash investing and financing activities: Dividend payable 9,449 10,803 Non-cash acquisition of patents — 30,100 Non-cash distribution of patents — 1,928 Accrued capitalized patent costs and property and equipment purchases (1,274) 1,562 New Accounting Guidance No new accounting pronouncement issued or effective during the quarter had or is expected to have a material impact on our condensed consolidated interim financial statements.

Revenue

Revenue	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
REVENUE	REVENUE Disaggregated Revenue The following table presents the disaggregation of our revenue for the three months ended March 31, 2023 and 2022 (in thousands): Three months ended March 31, 2023 2022 Total Increase/(Decrease) Recurring revenues: Smartphone $ 87,431 $ 87,698 $ (267) — % CE, IoT/Auto 14,086 11,190 2,896 26 % Other 56 239 (183) (77) % Total recurring revenues 101,573 99,127 2,446 2 % Catch-up revenues a 100,800 2,191 98,609 4,501 % Total revenues $ 202,373 $ 101,318 $ 101,055 100 % (a) Catch-up revenues are comprised of past patent royalties and revenues from static agreements. During the three months ended March 31, 2023, we recognized $59.1 million of revenue that had been included in deferred revenue as of the beginning of the period. As of March 31, 2023, we had contract assets of $133.1 million and $19.6 million included within " Accounts receivable " and " Other non-current assets, net " in the condensed consolidated balance sheet, respectively. As of December 31, 2022, we had contract assets of $32.9 million and $2.5 million included within " Accounts receivable " and " Other non-current assets, net " in the condensed consolidated balance sheet, respectively. Contracted Revenue Based on contracts signed and committed as of March 31, 2023, we expect to recognize the following revenue from dynamic fixed-fee royalty payments over the term of such contracts (in thousands): Revenue (a) Remainder of 2023 $ 267,055 2024 295,464 2025 282,709 2026 215,487 2027 213,257 Thereafter 472,696 Total Revenue $ 1,746,668 (a) This table includes our estimated revenue related to Samsung and Lenovo. In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2023
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES In the three months ended March 31, 2023 and 2022, the Company had an estimated annual effective tax rate of 14.0% and 25.2%, respectively. The change in effective tax rate is due to an increase in the amount of Foreign Derived Intangible Income deduction benefit available to the Company due to higher taxable income and as well as timing difference between the recognition of book and tax revenue. Additionally, the effective tax rate in both periods was impacted by losses in certain jurisdictions where the Company presently has recorded a valuation allowance against the related tax benefit. Excluding this valuation allowance, our effective tax rate for the three months ended March 31, 2023 and 2022 would have been 13.8% and 19.2% respectively. During both the three months ended March 31, 2023 and 2022, the Company recorded discrete net benefits of $1.0 million and $0.3 million, respectively, primarily related to share-based compensation. The effective tax rate reported in any given year will continue to be influenced by a variety of factors, including timing differences between the recognition of book and tax revenue, the level of pre-tax income or loss, the foreign vs. domestic classification of the Company’s customers, and any discrete items that may occur.

Net Income Per Share

Net Income Per Share	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
NET INCOME PER SHARE	NET INCOME PER SHARE Basic Earnings Per Share ("EPS") is calculated by dividing net income or loss available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if options or other securities with features that could result in the issuance of common stock were exercised or converted to common stock or resulting from the unvested outstanding restricted stock units ("RSUs"). The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data): Three months ended March 31, 2023 2022 Net income applicable to InterDigital, Inc. $ 105,259 $ 17,994 Weighted-average shares outstanding: Basic 28,780 30,703 Dilutive effect of stock options, RSUs, convertible securities and warrants 592 572 Diluted 29,372 31,275 Earnings per share: Basic $ 3.66 $ 0.59 Dilutive effect of stock options, RSUs, convertible securities and warrants (0.08) (0.01) Diluted $ 3.58 $ 0.58 Shares of common stock issuable upon the exercise or conversion of certain securities have been excluded from our computation of EPS because the strike price or conversion rate, as applicable, of such securities was greater than the average market price of our common stock and, as a result, the effect of such exercise or conversion would have been anti-dilutive. Set forth below are the securities and the weighted average number of shares of common stock underlying such securities that were excluded from our computation of EPS for the periods presented (in thousands): Three months ended March 31, 2023 2022 Restricted stock units and stock options 420 414 Warrants 7,488 4,921 Total 7,908 5,335 Convertible Notes and Warrants Refer to Note 7, " Obligations ," for information about the Company's convertible notes and warrants and related conversion and strike prices. During periods in which the average market price of the Company's common stock is above the applicable conversion price of the Company's convertible notes, or above the strike price of the Company's outstanding warrants, the impact of conversion or exercise, as applicable, would be dilutive and such dilutive effect is reflected in diluted EPS. As a result, in periods where the average market price of the Company's common stock is above the conversion price or strike price, as applicable, under the if-converted method, the Company calculates the number of shares issuable under the terms of the convertible notes and the warrants based on the average market price of the stock during the period, and includes that number in the total diluted shares outstanding for the period.

Litigation and Legal Proceeding

Litigation and Legal Proceedings	3 Months Ended
	Mar. 31, 2023
Litigation Settlement [Abstract]
LITIGATION AND LEGAL PROCEEDINGS	LITIGATION AND LEGAL PROCEEDINGS ARBITRATIONS AND COURT PROCEEDINGS Lenovo UK Proceedings On August 27, 2019, the Company and certain of its subsidiaries filed a claim in the UK High Court against Lenovo Group Limited and certain of its subsidiaries. The claim, as amended, alleges infringement of five of the Company's patents relating to 3G and/or 4G/LTE standards: European Patent (UK) Nos. 2,363,008; 2,421,318; 2,485,558; 2,557,714; and 3,355,537. The Company sought, among other relief, injunctive relief to prevent further infringement of the asserted patents or, in the alternative, a determination of the terms of a FRAND license. On July 29, 2021, the UK High Court issued its decision regarding the first technical trial finding European Patent (UK) No. 2,485,558 valid, infringed, and essential to Release 8 of LTE. Lenovo appealed this decision, and on January 19, 2023, the UK Court of Appeal upheld the UK High Court’s findings that Lenovo is infringing on InterDigital’s valid and essential patent. On January 6, 2022, the UK High Court issued its decision regarding the second technical trial finding European Patent (UK) No. 3,355,537 invalid, but essential and infringed but for the finding of invalidity. The Company appealed this decision as legally erroneous, and on February 9, 2023, the UK Court of Appeal allowed the appeal, finding that Lenovo is infringing on InterDigital’s valid and essential patent. On January 31, 2023, the UK High Court issued its decision regarding the third technical trial finding European Patent (UK) No. 2,421,318 valid, essential, and infringed. On March 7, 2023, the UK High Court issued an order staying all deadlines with respect to the fourth and fifth technical trials. On March 16, 2023, the UK High Court issued its order regarding judgement in the trial to determine how much Lenovo must pay for a license to the Company's portfolio of cellular assets, awarding the Company a lump sum of $138.7 million for such license through December 31, 2023. A form of order hearing took place in May 2023 regarding the license terms, interest, costs, and permission to appeal. The Company is awaiting the decision from that hearing. We have accrued an estimated net one-time litigation fee reimbursement of $5.7 million in first quarter 2023 within the Licensing line in our Consolidated Statement of Income. District of Delaware Patent Proceedings On August 28, 2019, the Company and certain of its subsidiaries filed a complaint in the United States District Court for the District of Delaware (the "Delaware District Court") against Lenovo Holding Company, Inc. and certain of its subsidiaries alleging that Lenovo infringes eight of the Company's U.S. patents-U.S. Patent Nos. 8,085,665; 8,199,726; 8,427,954; 8,619,747; 8,675,612; 8,797,873; 9,203,580; and 9,456,449-by making, using, offering for sale, and/or selling Lenovo wireless devices with 3G and/or 4G LTE capabilities. As relief, InterDigital is seeking: (a) a declaration that the Company is not in breach of its relevant FRAND commitments with respect to Lenovo; (b) to the extent Lenovo does not agree to negotiate a worldwide patent license, does not agree to enter into binding international arbitration to set the terms of a FRAND license, and does not agree to be bound by the terms to be set by the UK High Court in the separately filed UK proceedings described above, an injunction prohibiting Lenovo from continued infringement; (c) damages, including enhanced damages for willful infringement and supplemental damages; and (d) attorneys’ fees and costs. On September 16, 2020, the Delaware District Court entered a schedule for the case, setting a patent jury trial. On March 8, 2021, the Delaware District Court held a claim construction hearing, and the court issued its order on May 10, 2021, construing various disputed terms. On March 24, 2021, the Delaware District Court consolidated the antitrust proceeding discussed below with this patent proceeding. Trial for the consolidated proceedings has been rescheduled from March 6, 2023 to July 10, 2023, and once again to December 4, 2023. On April 25, 2022, the parties filed a stipulation to stay only the claims relating to U.S. Patent No. 8,199,726. The stipulation was granted. On January 13, 2023, Lenovo filed a motion to sever and stay the Company’s patent infringement claims, requesting that its Sherman Act and breach of FRAND claims proceed to trial. That motion is currently pending. District of Delaware Antitrust Proceedings On April 9, 2020, Lenovo (United States) Inc. and Motorola Mobility LLC filed a complaint in the Delaware District Court against the Company and certain of its subsidiaries. The complaint alleges that the Company defendants have violated Sections 1 and 2 of the Sherman Act in connection with, among other things, their licensing of 3G and 4G standards essential patents ("SEPs"). The complaint further alleges that the Company defendants have violated their commitment to the ETSI with respect to the licensing of 3G and 4G SEPs on FRAND terms and conditions. The complaint seeks, among other things (i) rulings that the Company defendants have violated Sections 1 and 2 of the Sherman Act and are liable for breach of their ETSI FRAND commitments, (ii) a judgment that the plaintiffs are entitled to a license with respect to the Company's 3G and 4G SEPs on FRAND terms and conditions, and (iii) injunctions against any demand for allegedly excessive royalties or enforcement of the Company defendants' 3G and 4G U.S. SEPs against the plaintiffs or their customers via patent infringement proceedings. On June 22, 2020, the Company filed a motion to dismiss Lenovo's Sherman Act claims with prejudice, and to dismiss Lenovo's breach of contract claim with leave to re-file as a counterclaim in the Company's legal proceeding against Lenovo in the Delaware District Court discussed above. On March 24, 2021, the Delaware District Court ruled on the Company’s motion to dismiss. The Delaware District Court dismissed the Sherman Act Section 1 claim without prejudice, denied the motion to dismiss the Sherman Act Section 2 claim, and consolidated the Section 2 and breach of contract claims with Company’s Delaware patent proceeding discussed above. China Proceedings On April 10, 2020, Lenovo (Beijing) Ltd. and certain of its affiliates filed a complaint against the Company and certain of its subsidiaries in the Beijing Intellectual Property Court (the “Beijing IP Court”) seeking a determination of the FRAND royalty rates payable for the Company's Chinese 3G, 4G and 5G SEPs. On February 20, 2021, the Company filed an application challenging the jurisdiction of the Beijing IP Court to take up Lenovo’s complaint. On November 15, 2021, the Beijing IP Court denied the jurisdictional challenge, and the Company filed an appeal with the Supreme People’s Court of the People’s Republic of China (the “SPC”) on December 14, 2021. That appeal was denied by the SPC on September 5, 2022, and the case was sent back to the Beijing IP Court. On November 9, 2022, the Company filed a petition to stay the case. That petition is currently pending. On November 26, 2021, the Company was informed that Lenovo had purportedly filed an additional complaint against the Company in the Wuhan Intermediate People’s Court (the “Wuhan Court”) seeking a determination of a global FRAND royalty rate for the period from 2024 to 2029 for the Company’s 3G, 4G, and 5G SEPs. On April 16, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Wuhan Court. The application remains pending. Germany Proceedings On March 25, 2022, March 28, 2022, and April 6, 2022, the Company and certain of its subsidiaries filed patent infringement claims in the Munich and Mannheim Regional Courts against Lenovo and certain of its affiliates, alleging infringement of European Patent Nos. 2,449,782; 2,452,498; 3,624,447 and 3,267,684 relating to HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Mannheim Regional Court held a hearing on April 21, 2023 regarding European Patent No. 3,267,684. The Mannheim Regional Court held a hearing regarding European Patent No. 3,624,447 on May 2, 2023. The Munich Regional Court has scheduled hearings regarding European Patent Nos. 2,449,782 and 2,452,498 for September 14, 2023 and June 20, 2024, respectively. Oppo, OnePlus and realme UK Proceedings On December 20, 2021, the Company filed a patent infringement claim in the UK High Court against Guangdong Oppo Mobile Telecommunications Corp., Ltd. (“Oppo”) and certain of its affiliates, OnePlus Technology (Shenzhen) Co., Ltd. (“OnePlus”) and certain of its affiliates, and realme Mobile Telecommunications (Shenzhen) Co., Ltd. (“realme”) and certain of its affiliates, alleging infringement of European Patent (UK) Nos. 2,127,420; 2,421,318; 2,485,558; and 3,355,537 relating to cellular 3G, 4G/LTE or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. On January 19, 2022, Oppo filed a jurisdictional challenge with the UK High Court which the parties have agreed to adjourn pending the outcome of Oppo’s jurisdiction challenge before the UK Supreme Court in a case involving Nokia. On December 8, 2022, the Company received confirmation that Oppo had dropped its jurisdictional challenge with the UK High Court. On March 24, 2023, the parties agreed to stay all technical trials on the basis that European Patent No. 2,485,558 is valid and essential based on the result of Technical Trial A in the Lenovo UK proceedings. The willingness trial is expected to commence on October 23, 2023. The rate determination trial is scheduled to commence on February 26, 2024. India Proceedings On December 20, 2021 and December 22, 2021, the Company and certain of its subsidiaries filed patent infringement claims in the Delhi High Court in New Delhi, India against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme Mobile Telecommunication (India) Private Limited, alleging infringement of Indian Patent Nos. 262910, 295912, 313036, 320182, 319673, 242248, 299448, and 308108 relating to cellular 3G, 4G/LTE, and/or 5G, and HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. Germany Proceedings On December 20, 2021, a subsidiary of the Company filed three patent infringement claims, two in the Munich Regional Court and one in the Mannheim Regional Court, against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates, alleging infringement of European Patent Nos. 2,485,558; 2,127,420; and 2,421,318 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Munich Regional Court held a hearing on December 14, 2022 regarding European Patent No. 2,421,318, with a second hearing scheduled for October 18, 2023. The Munich Regional Court held a hearing on March 2, 2023 regarding European Patent No. 2,127,420, with a second hearing scheduled for September 15, 2023. The Munich Regional Court has also scheduled a hearing for September 19, 2024 on European Patent No. 2,485,558. China Proceedings On January 19, 2022, the Company was informed that Oppo had purportedly filed a complaint against the Company in the Guangzhou Intellectual Property Court (the “Guangzhou IP Court”) seeking a determination of a global FRAND royalty rate for the Company’s 3G, 4G, 5G, 802.11 and HEVC SEPs. On May 20, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Guangzhou IP Court. On January 12, 2023, the Guangzhou IP Court denied the application. On February 28, 2023, the Company filed an appeal to the decision. Spain Proceedings On March 1, 2022, a subsidiary of the Company filed patent infringement claims in the Barcelona Commercial Courts against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates. The Company filed its amended complaint on April 25, 2022, alleging infringement of European Patent Nos. 3,355,537; 2,485,558; 2,421,318; and 2,557,715 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. Samsung The Company reached an agreement with Samsung Electronics Co. Ltd. (“Samsung”) to enter into binding arbitration to determine the final terms of a renewed patent license agreement to certain of the Company’s patents, which will be effective from January 1, 2023. The Company and Samsung have also agreed not to initiate certain claims against the other during the arbitration. On March 31, 2023, the Company filed a request for arbitration with the International Chamber of Commerce. OTHER We are party to certain other disputes and legal actions in the ordinary course of business, including arbitrations and legal proceedings with licensees regarding the terms of their agreements and the negotiation thereof . We do not currently believe that these matters, even if adversely adjudicated or settled, would have a material adverse effect on our financial condition, results of operations or cash flows. None of the preceding matters have met the requirements for accrual or disclosure of a potential range as of March 31, 2023, except as noted above.

Cash, Concentration of Credit R

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
CASH, CONCENTRATION OF CREDIT RISK AND FAIR VALUE OF FINANCIAL INSTRUMENTS	CASH, CONCENTRATION OF CREDIT RISK AND FAIR VALUE OF FINANCIAL INSTRUMENTS Cash, Cash Equivalents and Restricted Cash Cash, cash equivalents and restricted cash currently consists of money market and demand accounts. The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of March 31, 2023, December 31, 2022 and March 31, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands): March 31, December 31, March 31, 2023 2022 2022 Cash and cash equivalents $ 430,625 $ 693,479 $ 783,016 Restricted cash included within prepaid and other current assets 12,085 9,682 5,716 Restricted cash included within other non-current assets — — 1,081 Total cash, cash equivalents and restricted cash $ 442,710 $ 703,161 $ 789,813 Concentration of Credit Risk and Fair Value of Financial Instruments Financial instruments that potentially subject us to concentration of credit risk consist primarily of cash equivalents, short-term investments, and accounts receivable. We place our cash equivalents and short-term investments only in highly rated financial instruments and in United States government instruments. Our accounts receivable and contract assets are derived principally from patent license and technology solutions agreements. Four licensees comprised 94% and 76% of our net accounts receivable balance, as of March 31, 2023 and December 31, 2022, respectively. We perform ongoing credit evaluations of our licensees, who generally include large, multinational, wireless telecommunications equipment manufacturers. We believe that the book values of our financial instruments approximate their fair values. Fair Value Measurements We use various valuation techniques and assumptions when measuring the fair value of our assets and liabilities. We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. This guidance established a hierarchy that prioritizes fair value measurements based on the types of input used for the various valuation techniques (market approach, income approach and cost approach). The levels of the hierarchy are described below: Level 1 Inputs — Level 1 includes financial instruments for which quoted market prices for identical instruments are available in active markets. Level 2 Inputs — Level 2 includes financial instruments for which there are inputs other than quoted prices included within Level 1 that are observable for the instrument such as quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets with insufficient volume or infrequent transactions (less active markets) or model-driven valuations in which significant inputs are observable or can be derived principally from, or corroborated by, observable market data, including market interest rate curves, referenced credit spreads and pre-payment rates. Level 3 Inputs — Level 3 includes financial instruments for which fair value is derived from valuation techniques including pricing models and discounted cash flow models in which one or more significant inputs are unobservable, including the Company’s own assumptions. The pricing models incorporate transaction details such as contractual terms, maturity and, in certain instances, timing and amount of future cash flows, as well as assumptions related to liquidity and credit valuation adjustments of marketplace participants. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of financial assets and financial liabilities and their placement within the fair value hierarchy. We use quoted market prices for similar assets to estimate the fair value of our Level 2 investments. Recurring Fair Value Measurements Our financial assets are generally included within short-term investments on our condensed consolidated balance sheets, unless otherwise indicated. Our financial assets and liabilities that are accounted for at fair value on a recurring basis are presented in the tables below as of March 31, 2023 and December 31, 2022 (in thousands): Fair Value as of March 31, 2023 Level 1 Level 2 Level 3 Total Assets: Money market and demand accounts (a) $ 375,375 $ — $ — $ 375,375 Commercial paper (b) — 174,601 — 174,601 U.S. government securities (c) — 227,745 — 227,745 Corporate bonds, asset backed and other securities (d) — 185,048 — 185,048 Total $ 375,375 $ 587,394 $ — $ 962,769 Fair Value as of December 31, 2022 Level 1 Level 2 Level 3 Total Assets: Money market and demand accounts (a) $ 643,825 $ — $ — $ 643,825 Commercial paper (b) — 209,956 — 209,956 U.S. government securities (c) — 243,840 — 243,840 Corporate bonds, asset backed and other securities (d) — 113,838 — 113,838 Total $ 643,825 $ 567,634 $ — $ 1,211,459 ______________________________ (a) Primarily included within cash and cash equivalents. (b) As of March 31, 2023 and December 31, 2022, $0.0 million and $26.7 million of commercial paper was included within cash and cash equivalents, respectively. (c) As of March 31, 2023 and December 31, 2022, $57.9 million and $15.7 million of U.S. government securities was included within cash and cash equivalents, respectively. (d) As of March 31, 2023 and December 31, 2022, $9.4 million and $16.9 million of corporate bonds, asset backed and other securities was included within cash and cash equivalents, respectively. Non-Recurring Fair Value Measurements Patents During fourth quarter 2021, we renewed our multi-year, worldwide, non-exclusive patent license agreement with Sony Corporation of America ("Sony"). A portion of the consideration for the agreement was in the form of patents, which we received in March 2022. We have determined the fair value of the patents for determining the transaction price for revenue recognition purposes, which was estimated to be $30.1 million utilizing the income and market approaches. The value is amortized as a non-cash expense over the patents' estimated useful lives. During first quarter 2023, we incurred a one-time impairment of $2.5 million on our patents held for sale. We determined the fair value based upon evaluation of market conditions. The patents held for sale are included within " Prepaid and other current assets " in the consolidated balance sheet. Fair Value of Long-Term Debt Convertible Notes The principal amount, carrying value and related estimated fair value of the Company's Convertible Notes reported as of March 31, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the principal amount of the Convertible Notes is a Level 2 fair value measurement. March 31, 2023 December 31, 2022 Principal Carrying Fair Principal Carrying Fair 2027 Senior Convertible Long-Term Debt $ 460,000 $ 451,493 $ 515,605 $ 460,000 $ 451,062 $ 441,485 2024 Senior Convertible Long-Term Debt $ 126,174 $ 125,484 $ 130,199 $ 126,174 $ 125,342 $ 119,941 Technicolor Patent Acquisition Long-term Debt The carrying value and related estimated fair value of the Technicolor Patent Acquisition long-term debt reported as of March 31, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the Technicolor Patent Acquisition long-term debt is a Level 3 fair value measurement. March 31, 2023 December 31, 2022 Carrying Fair Carrying Fair Technicolor Patent Acquisition Long-Term Debt $ 30,937 $ 29,140 $ 30,662 $ 28,048

Obligations

Obligations	3 Months Ended
	Mar. 31, 2023
Debt Disclosure [Abstract]
OBLIGATIONS	OBLIGATIONS 2027 Notes, and Related Note Hedge and Warrant Transactions On May 27, 2022, we issued $460.0 million in aggregate principal amount of 3.50% Senior Convertible Notes due 2027 (the "2027 Notes"). The net proceeds from the issuance of the 2027 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $450.0 million. The 2027 Notes bear interest at a rate of 3.50% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2022, and mature on June 1, 2027, unless earlier redeemed, converted or repurchased. The 2027 Notes will be convertible into cash up to the aggregate principal amount of the notes to be converted and in respect of the remainder, if any, of the Company’s obligation in excess of the aggregate principal amount of the notes being converted, pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination thereof, at the Company’s election, at an initial conversion rate of 12.9041 shares of Common Stock per $1,000 principal amount of Notes (which is equivalent to an initial conversion price of approximately $77.49 per share). The 2027 Notes are the Company’s senior unsecured obligations and rank equally in right of payment with any of the Company’s current and any future senior unsecured indebtedness, including its 2.00% Senior Convertible Notes due 2024 (the “2024 Notes” and together with the 2027 Notes, the "Convertible Notes"). The 2027 Notes are effectively subordinated to all of the Company’s future secured indebtedness to the extent of the value of the related collateral, and the 2027 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of the Company’s subsidiaries. On May 24 and May 25, 2022, in connection with the offering of the 2027 Notes, we entered into convertible note hedge transactions that cover, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2027 Notes, subject to adjustment, and are exercisable upon any conversion of the 2027 Notes. Also on May 24 and May 25, 2022, we entered into privately negotiated warrant transactions, whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock at an initial strike price of $106.37 per share, subject to adjustment. 2024 Notes, and Related Note Hedge and Warrant Transactions On June 3, 2019, we issued $400.0 million in aggregate principal amount of 2024 Notes. The net proceeds from the issuance of the 2024 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $391.6 million. The 2024 Notes bear interest at a rate of 2.00% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2019, and mature on June 1, 2024, unless earlier redeemed, converted or repurchased. The 2024 Notes are convertible into cash and shares of our common stock, with a specified dollar amount of $1,000 per $1,000 principal amount of 2024 Notes and any remaining amounts in shares of our common stock, at an initial conversion rate of 12.3018 shares of our common stock per $1,000 principal amount of 2024 Notes (which is equivalent to an initial conversion price of approximately $81.29 per share). The 2024 Notes are senior unsecured obligations of the Company and rank equally in right of payment with any of our current and any future senior unsecured indebtedness. The 2024 Notes are effectively subordinated to all of our future secured indebtedness to the extent of the value of the related collateral, and the 2024 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of our subsidiaries. On May 29 and May 31, 2019, in connection with the offering of the 2024 Notes, we entered into convertible note hedge transactions (collectively, the "2024 Note Hedge Transactions") that cover, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2024 Notes, subject to adjustment, and are exercisable upon any conversion of the 2024 Notes. On May 29 and May 31, 2019, we also entered into privately negotiated warrant transactions (collectively, the "2024 Warrant Transactions" and, together with the 2024 Note Hedge Transactions, the "2024 Call Spread Transactions"), whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock at an initial strike price of approximately $109.43 per share, subject to adjustment. During second quarter 2022, the Company repurchased $273.8 million in aggregate principal amount of the 2024 Notes in privately negotiated transactions concurrently with the offering of the 2027 Notes. As a result of the partial repurchase of the 2024 Notes, $126.2 million in aggregate principal amount of the 2024 Notes remained outstanding as of March 31, 2023. Additionally, in connection with the partial repurchase of the 2024 Notes, the Company entered into partial unwind agreements that amend the terms of the 2024 Note Hedge Transactions to reduce the number of options corresponding to the principal amount of the repurchased 2024 Notes. The unwind agreements also reduce the number of warrants exercisable under the 2024 Warrant Transactions. As a result of the partial unwind transactions, approximately 1.6 million shares of common stock in the aggregate were covered under each of the 2024 Note Hedge Transactions and the 2024 Warrant Transactions as of March 31, 2023. As of March 31, 2023, the warrants under the 2024 Warrant Transactions had a strike price of approximately $109.43 per share, as adjusted. The following table reflects the carrying value of our Convertible Notes long-term debt as of March 31, 2023 and December 31, 2022 (in thousands): March 31, 2023 December 31, 2022 3.50% Senior Convertible Notes due 2027 $ 460,000 $ 460,000 2.00% Senior Convertible Notes due 2024 126,174 126,174 Less: Deferred financing costs (9,197) (9,770) Net carrying amount of the Convertible Notes $ 576,977 $ 576,404 The following table presents the amount of interest cost recognized, which is included within " Interest expense" in our condensed consolidated statements of income, for the three months ended March 31, 2023 and 2022 relating to the contractual interest coupon and the amortization of deferred financing costs of the Convertible Notes (in thousands): Three months ended March 31, 2023 2022 2027 Notes 2024 Notes Total 2024 Notes Contractual coupon interest $ 4,025 $ 631 $ 4,656 $ 2,000 Amortization of deferred financing costs 431 142 573 424 Total $ 4,456 $ 773 $ 5,229 $ 2,424 Technicolor Patent Acquisition Long-Term Debt On July 30, 2018, we completed our acquisition of the patent licensing business of Technicolor SA ("Technicolor"), a worldwide technology leader in the media and entertainment sector (the "Technicolor Patent Acquisition"). In conjunction with the Technicolor Patent Acquisition, we assumed Technicolor’s rights and obligations under a joint licensing program with Sony relating to digital televisions and standalone computer display monitors, which commenced in 2015 and is referred to as the "Madison Arrangement." An affiliate of CPPIB Credit Investments Inc. ("CPPIB Credit"), a wholly owned subsidiary of Canada Pension Plan Investment Board, is a third-party investor in the Madison Arrangement. CPPIB Credit has made certain payments to Technicolor and Sony and has agreed to contribute cash to fund certain capital reserve obligations under the arrangement in exchange for a percentage of future revenues, specifically through September 11, 2030 in regard to the Technicolor patents. Upon our assumption of Technicolor’s rights and obligations under the Madison Arrangement, our relationship with CPPIB Credit meets the criteria in ASC 470-10-25 - Sales of Future Revenues or Various Other Measures of Income ("ASC 470"), which relates to cash received from an investor in exchange for a specified percentage or amount of revenue or other measure of income of a particular product line, business segment, trademark, patent, or contractual right for a defined period. Under this guidance, we recognized the fair value of our contingent obligation to CPPIB Credit, as of the acquisition date, as long-term debt in our condensed consolidated balance sheet. This initial fair value measurement was based on the perspective of a market participant and included significant unobservable inputs which are classified as Level 3 inputs within the fair value hierarchy. The fair value of the long-term debt as of March 31, 2023 and December 31, 2022 is disclosed within Note 6, " Cash, Concentration of Credit Risk and Fair Value of Financial Instruments. " Our repayment obligations are contingent upon future royalty revenues generated from the Madison Arrangement and there are no minimum or maximum payments under the arrangement. Under ASC 470, amounts recorded as debt are amortized under the interest method. At each reporting period, we will review the discounted expected future cash flows over the life of the obligation. The Company made an accounting policy election to utilize the catch-up method when there is a change in the estimated future cash flows, whereby we will adjust the carrying amount of the debt to the present value of the revised estimated future cash flows, discounted at the original effective interest rate, with a corresponding adjustment recognized as interest expense within “ Interest Expense ” in the condensed consolidated statements of income. The effective interest rate as of the acquisition date was approximately 14.5%. This rate represents the discount rate that equates the estimated future cash flows with the fair value of the debt as of the acquisition date and is used to compute the amount of interest to be recognized each period based on the estimated life of the future revenue streams. During the three months ended March 31, 2023 and 2022, we recognized $0.3 million and $0.9 million of interest expense related to this debt. This was included within “ Interest Expense ” in the condensed consolidated statements of income. Any future payments made to CPPIB Credit, or additional proceeds received from CPPIB Credit, will decrease or increase the long-term debt balance accordingly. Technicolor Contingent Consideration As part of the Technicolor Patent Acquisition, we entered into a revenue-sharing arrangement with Technicolor that created a contingent consideration liability. Under the revenue-sharing arrangement, Technicolor receives 42.5% of future cash receipts from new licensing efforts from the Madison Arrangement only, subject to certain conditions and hurdles. As of March 31, 2023, the contingent consideration liability from the revenue-sharing arrangement was deemed not probable and is therefore not reflected within the consolidated financial statements.

Variable Interest Entities

Variable Interest Entities	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
VARIABLE INTEREST ENTITIES	VARIABLE INTEREST ENTITIES As further discussed below, we are the primary beneficiary of one variable interest entity. As of March 31, 2023, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $14.6 million and $0.3 million, respectively. Assets included $4.2 million of cash and cash equivalents, $1.5 million of prepaid and other current assets, and $8.9 million of patents, net. As of December 31, 2022, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $17.5 million and $1.8 million, respectively. Assets included $4.4 million of cash and cash equivalents, $4.0 million of accounts receivable and prepaid and other current assets, and $9.1 million of patents, net. Convida Wireless Convida Wireless was launched in 2013 and most recently renewed in 2021 to combine Sony's consumer electronics expertise with our pioneering IoT expertise to drive IoT communications and connectivity. Based on the terms of the agreement, the parties will contribute funding and resources for additional research and platform development, which we will perform. Convida Wireless is a variable interest entity. Based on our provision of research and platform development services to Convida Wireless, we have determined that we remain the primary beneficiary for accounting purposes and will continue to consolidate Convida Wireless. For the three months ended March 31, 2023 and 2022 we allocated approximately $1.7 million and $0.3 million, respectively, of Convida Wireless's net loss to noncontrolling interests held by other parties.

Other Income (Expense), Net

Other Income (Expense), Net	3 Months Ended
	Mar. 31, 2023
Other Income and Expenses [Abstract]
OTHER INCOME (EXPENSE), NET	OTHER INCOME (EXPENSE), NET The amounts included in " Other income (expense), net " in the condensed consolidated statements of income for the three months ended March 31, 2023 and 2022 were as follows (in thousands): Three months ended March 31, 2023 2022 Interest and investment income $ 11,680 $ 209 Other 1,511 (1,214) Other income (expense), net $ 13,191 $ (1,005) Interest and investment income of $11.7 million increased $11.5 million compared to first quarter 2022 primarily due to market conditions driving higher yields on our short-term investments. The change in Other was primarily due to fair value adjustments of our investments resulting in a $1.0 million net gain in first quarter 2023, compared to a $0.8 million net loss in first quarter 2022, and a foreign currency translation net gain arising from euro translation of our foreign subsidiaries of $0.7 million in first quarter 2023, compared to a $0.4 million net loss in first quarter 2022.

Other Assets

Other Assets	3 Months Ended
	Mar. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
OTHER ASSETS	OTHER ASSETS The amounts included in " Prepaid and other current assets " in the consolidated balance sheet as of March 31, 2023 and December 31, 2022 were as follows (in thousands): March 31, 2023 December 31, 2022 Tax receivables $ 66,854 $ 64,117 Prepaid assets 13,447 9,044 Restricted cash 12,085 9,682 Patents held for sale 1,500 4,000 Other current assets 7,806 2,873 Total Prepaid and other current assets $ 101,692 $ 89,716 The amounts included in " Other non-current assets, net " in the consolidated balance sheet as of March 31, 2023 and December 31, 2022 were as follows (in thousands): March 31, 2023 December 31, 2022 Tax receivables $ 31,967 $ 29,370 Goodwill 22,421 22,421 Long-term investments 19,715 19,593 Contract asset 19,573 2,544 Right-of-use assets 17,431 18,034 Other non-current assets 3,639 3,758 Total Other non-current assets, net $ 114,746 $ 95,720

Restructuring Activities

Restructuring Activities	3 Months Ended
	Mar. 31, 2023
Restructuring and Related Activities [Abstract]
RESTRUCTURING ACTIVITIES	RESTRUCTURING ACTIVITIES During second quarter 2021, the Company undertook certain actions in order to increase focus on core technologies and markets. On June 10, 2021, the Company announced that, as a result of a strategic review of its research and innovation priorities, it commenced the process of a collective economic layoff in which it proposed a reduction in force of its research and innovation unit. All notices of termination have been issued to the impacted employees. During 2021, Chordant ceased operations. The Company implemented a reduction in workforce action in second quarter 2021. Additionally, in June 2021, a non-controlled subsidiary that we consolidate for financial statement purposes approved a plan to sell certain patents. The proceeds from the sale of these patents will contribute to funding the non-controlled subsidiary's operations. These assets were evaluated as a separate asset group and reclassified as assets held for sale. We determined the fair value based upon evaluation of market conditions. The patents held for sale are included within " Prepaid and other current assets " in the consolidated balance sheet. In October 2021, we expanded our restructuring efforts to include general and administrative functions largely centered in the U.S., which resulted in a further reduction in force as well as cuts to our non-labor expenses. These employees were provided notification of termination during fourth quarter 2021. The Company does not anticipate further restructuring costs at this time, however these charges are estimated based on information available at the time such charges are recorded. Due to the inherent uncertainty involved in estimating restructuring expenses, actual amounts incurred for such activities may differ from amounts initially estimated. As of March 31, 2023 and December 31, 2022, the Company's restructuring liability was $3.1 million and $4.5 million, respectively, and is included in " Other accrued expenses " on our condensed consolidated balance sheet. The following table presents the change in our restructuring liability during the period (in thousands): Balance as of December 31, 2022 $ 4,495 Cash payments (1,487) Other 52 Balance as of March 31, 2023 $ 3,060 The restructuring expenses included in " Restructuring activities " in the condensed consolidated statements of income for the three months ended March 31, 2023 and 2022 were as follows (in thousands): Three months ended March 31, 2023 2022 Severance and other benefits $ — $ 527 Outside services and other associated costs — 15 Total $ — $ 542

Basis of Presentation (Policies

Basis of Presentation (Policies)	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	The accompanying unaudited, condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, accordingly, do not include all of the detailed schedules, information and notes necessary to state fairly the financial condition, results of operations and cash flows in conformity with United States generally accepted accounting principles (“GAAP”). The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP for year-end financial statements. Therefore, these financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (our “2022 Form 10-K”) as filed with the Securities and Exchange Commission (“SEC”) on February 15, 2023. Definitions of capitalized terms not defined herein appear within our 2022 Form 10-K. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. We have one reportable segment.
Estimates	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.
Reclassifications	Certain reclassifications have been made to prior year amounts to conform to the current year presentation. During 2022, the Company made reclassifications between the operating expenses lines on the consolidated income statement in order to more clearly reflect the Company’s investments to create and protect the value of our innovations. The Company grouped research and portfolio related costs within the line " Research and portfolio development ", previously referred to as " Development ", which resulted in reclassifying certain portfolio related costs out of the " Licensing " line, previously referred to as " Patent administration and licensing ", and into " Research and portfolio development. " The impact of this reclassification was $26.6 million for the three months ended March 31, 2022. Additionally, the previous " Selling, general, and administrative " line is now referred to as " General and administrative ". Beginning in third quarter 2022, we updated our disaggregated revenue disclosures to provide information to enable investors to better understand the composition of revenue from contracts with customers. As a result, variable patent royalty revenue and fixed-fee royalty revenue was combined and disaggregated into the Smartphone and CE, IoT/Auto groupings. Additionally, the Other category includes current technology solutions revenues and catch-up revenues is comprised of past patent royalties and revenues from static agreements. We believe this better reflects both our current revenue sources and our growth opportunities across these vertical markets.
New Accounting Guidance	No new accounting pronouncement issued or effective during the quarter had or is expected to have a material impact on our condensed consolidated interim financial statements.

Basis of Presentation (Tables)

Basis of Presentation (Tables)	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of supplemental cash flow information	The following table presents additional supplemental cash flow information for the three months ended March 31, 2023 and 2022 (in thousands): Three months ended March 31, SUPPLEMENTAL CASH FLOW INFORMATION: 2023 2022 Income taxes paid, including foreign withholding taxes $ 4,942 $ 3,349 Non-cash investing and financing activities: Dividend payable 9,449 10,803 Non-cash acquisition of patents — 30,100 Non-cash distribution of patents — 1,928 Accrued capitalized patent costs and property and equipment purchases (1,274) 1,562

Revenue (Tables)

Revenue (Tables)	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Schedule of disaggregation of revenue	The following table presents the disaggregation of our revenue for the three months ended March 31, 2023 and 2022 (in thousands): Three months ended March 31, 2023 2022 Total Increase/(Decrease) Recurring revenues: Smartphone $ 87,431 $ 87,698 $ (267) — % CE, IoT/Auto 14,086 11,190 2,896 26 % Other 56 239 (183) (77) % Total recurring revenues 101,573 99,127 2,446 2 % Catch-up revenues a 100,800 2,191 98,609 4,501 % Total revenues $ 202,373 $ 101,318 $ 101,055 100 % (a) Catch-up revenues are comprised of past patent royalties and revenues from static agreements.
Schedule of contracted revenue	Based on contracts signed and committed as of March 31, 2023, we expect to recognize the following revenue from dynamic fixed-fee royalty payments over the term of such contracts (in thousands): Revenue (a) Remainder of 2023 $ 267,055 2024 295,464 2025 282,709 2026 215,487 2027 213,257 Thereafter 472,696 Total Revenue $ 1,746,668 (a) This table includes our estimated revenue related to Samsung and Lenovo. In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

Net Income Per Share (Tables)

Net Income Per Share (Tables)	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
Schedule of numerator and the denominator of the basic and diluted	The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data): Three months ended March 31, 2023 2022 Net income applicable to InterDigital, Inc. $ 105,259 $ 17,994 Weighted-average shares outstanding: Basic 28,780 30,703 Dilutive effect of stock options, RSUs, convertible securities and warrants 592 572 Diluted 29,372 31,275 Earnings per share: Basic $ 3.66 $ 0.59 Dilutive effect of stock options, RSUs, convertible securities and warrants (0.08) (0.01) Diluted $ 3.58 $ 0.58
Schedule of excluded from our computation of EPS	Set forth below are the securities and the weighted average number of shares of common stock underlying such securities that were excluded from our computation of EPS for the periods presented (in thousands): Three months ended March 31, 2023 2022 Restricted stock units and stock options 420 414 Warrants 7,488 4,921 Total 7,908 5,335

Cash, Concentration of Credit_2

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Schedule of cash and cash equivalents	The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of March 31, 2023, December 31, 2022 and March 31, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands): March 31, December 31, March 31, 2023 2022 2022 Cash and cash equivalents $ 430,625 $ 693,479 $ 783,016 Restricted cash included within prepaid and other current assets 12,085 9,682 5,716 Restricted cash included within other non-current assets — — 1,081 Total cash, cash equivalents and restricted cash $ 442,710 $ 703,161 $ 789,813
Schedule of restricted cash and cash equivalents	The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of March 31, 2023, December 31, 2022 and March 31, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands): March 31, December 31, March 31, 2023 2022 2022 Cash and cash equivalents $ 430,625 $ 693,479 $ 783,016 Restricted cash included within prepaid and other current assets 12,085 9,682 5,716 Restricted cash included within other non-current assets — — 1,081 Total cash, cash equivalents and restricted cash $ 442,710 $ 703,161 $ 789,813
Schedule of fair value on a recurring basis	Our financial assets and liabilities that are accounted for at fair value on a recurring basis are presented in the tables below as of March 31, 2023 and December 31, 2022 (in thousands): Fair Value as of March 31, 2023 Level 1 Level 2 Level 3 Total Assets: Money market and demand accounts (a) $ 375,375 $ — $ — $ 375,375 Commercial paper (b) — 174,601 — 174,601 U.S. government securities (c) — 227,745 — 227,745 Corporate bonds, asset backed and other securities (d) — 185,048 — 185,048 Total $ 375,375 $ 587,394 $ — $ 962,769 Fair Value as of December 31, 2022 Level 1 Level 2 Level 3 Total Assets: Money market and demand accounts (a) $ 643,825 $ — $ — $ 643,825 Commercial paper (b) — 209,956 — 209,956 U.S. government securities (c) — 243,840 — 243,840 Corporate bonds, asset backed and other securities (d) — 113,838 — 113,838 Total $ 643,825 $ 567,634 $ — $ 1,211,459 ______________________________ (a) Primarily included within cash and cash equivalents. (b) As of March 31, 2023 and December 31, 2022, $0.0 million and $26.7 million of commercial paper was included within cash and cash equivalents, respectively. (c) As of March 31, 2023 and December 31, 2022, $57.9 million and $15.7 million of U.S. government securities was included within cash and cash equivalents, respectively. (d) As of March 31, 2023 and December 31, 2022, $9.4 million and $16.9 million of corporate bonds, asset backed and other securities was included within cash and cash equivalents, respectively.
Schedule of aggregate fair value	The aggregate fair value of the principal amount of the Convertible Notes is a Level 2 fair value measurement. March 31, 2023 December 31, 2022 Principal Carrying Fair Principal Carrying Fair 2027 Senior Convertible Long-Term Debt $ 460,000 $ 451,493 $ 515,605 $ 460,000 $ 451,062 $ 441,485 2024 Senior Convertible Long-Term Debt $ 126,174 $ 125,484 $ 130,199 $ 126,174 $ 125,342 $ 119,941 March 31, 2023 December 31, 2022 Carrying Fair Carrying Fair Technicolor Patent Acquisition Long-Term Debt $ 30,937 $ 29,140 $ 30,662 $ 28,048

Obligations (Tables)

Obligations (Tables)	3 Months Ended
	Mar. 31, 2023
Debt Disclosure [Abstract]
Schedule of carrying value of the 2024 Notes and 2020 Notes	The following table reflects the carrying value of our Convertible Notes long-term debt as of March 31, 2023 and December 31, 2022 (in thousands): March 31, 2023 December 31, 2022 3.50% Senior Convertible Notes due 2027 $ 460,000 $ 460,000 2.00% Senior Convertible Notes due 2024 126,174 126,174 Less: Deferred financing costs (9,197) (9,770) Net carrying amount of the Convertible Notes $ 576,977 $ 576,404
Schedule of accretion of the debt discount, and the amortization of financing costs	The following table presents the amount of interest cost recognized, which is included within " Interest expense" in our condensed consolidated statements of income, for the three months ended March 31, 2023 and 2022 relating to the contractual interest coupon and the amortization of deferred financing costs of the Convertible Notes (in thousands): Three months ended March 31, 2023 2022 2027 Notes 2024 Notes Total 2024 Notes Contractual coupon interest $ 4,025 $ 631 $ 4,656 $ 2,000 Amortization of deferred financing costs 431 142 573 424 Total $ 4,456 $ 773 $ 5,229 $ 2,424

Other Income (Expense), Net (Ta

Other Income (Expense), Net (Tables)	3 Months Ended
	Mar. 31, 2023
Other Income and Expenses [Abstract]
Schedule of other income (expense), net	The amounts included in " Other income (expense), net " in the condensed consolidated statements of income for the three months ended March 31, 2023 and 2022 were as follows (in thousands): Three months ended March 31, 2023 2022 Interest and investment income $ 11,680 $ 209 Other 1,511 (1,214) Other income (expense), net $ 13,191 $ (1,005)

Other Assets (Tables)

Other Assets (Tables)	3 Months Ended
	Mar. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of prepaid and other current assets	The amounts included in " Prepaid and other current assets " in the consolidated balance sheet as of March 31, 2023 and December 31, 2022 were as follows (in thousands): March 31, 2023 December 31, 2022 Tax receivables $ 66,854 $ 64,117 Prepaid assets 13,447 9,044 Restricted cash 12,085 9,682 Patents held for sale 1,500 4,000 Other current assets 7,806 2,873 Total Prepaid and other current assets $ 101,692 $ 89,716
Schedule of other non-current assets	The amounts included in " Other non-current assets, net " in the consolidated balance sheet as of March 31, 2023 and December 31, 2022 were as follows (in thousands): March 31, 2023 December 31, 2022 Tax receivables $ 31,967 $ 29,370 Goodwill 22,421 22,421 Long-term investments 19,715 19,593 Contract asset 19,573 2,544 Right-of-use assets 17,431 18,034 Other non-current assets 3,639 3,758 Total Other non-current assets, net $ 114,746 $ 95,720

Restructuring Activities (Table

Restructuring Activities (Tables)	3 Months Ended
	Mar. 31, 2023
Restructuring and Related Activities [Abstract]
Schedule of restructuring reserve by type of cost	The following table presents the change in our restructuring liability during the period (in thousands): Balance as of December 31, 2022 $ 4,495 Cash payments (1,487) Other 52 Balance as of March 31, 2023 $ 3,060 The restructuring expenses included in " Restructuring activities " in the condensed consolidated statements of income for the three months ended March 31, 2023 and 2022 were as follows (in thousands): Three months ended March 31, 2023 2022 Severance and other benefits $ — $ 527 Outside services and other associated costs — 15 Total $ — $ 542

Basis of Presentation - Narrati

Basis of Presentation - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments | segment	1
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Costs and Expenses	$ 83,112	$ 71,133
Revision of Prior Period, Reclassification, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Costs and Expenses		$ 26,600

Basis of Presentation - Schedul

Basis of Presentation - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2022
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid, including foreign withholding taxes	$ 4,942	$ 3,349
Non-cash investing and financing activities:
Dividends payable	9,449	10,803		$ 10,384
Non-cash acquisition of patents	0	30,100	$ 30,100
Non-cash distribution of patents	0	1,928
Accrued capitalized patent costs and property and equipment purchases	$ (1,274)	$ 1,562

Revenue - Disaggregated Revenue

Revenue - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 202,373	$ 101,318
Increase/(decrease) in disaggregated revenue	$ 101,055
Percentage increase/(decrease) in disaggregated revenue	100%
Total recurring revenues
Disaggregation of Revenue [Line Items]
Revenue	$ 101,573	99,127
Increase/(decrease) in disaggregated revenue	$ 2,446
Percentage increase/(decrease) in disaggregated revenue	2%
Smartphone
Disaggregation of Revenue [Line Items]
Revenue	$ 87,431	87,698
Increase/(decrease) in disaggregated revenue	$ (267)
Percentage increase/(decrease) in disaggregated revenue	0%
CE, IoT/Auto
Disaggregation of Revenue [Line Items]
Revenue	$ 14,086	11,190
Increase/(decrease) in disaggregated revenue	$ 2,896
Percentage increase/(decrease) in disaggregated revenue	26%
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 56	239
Increase/(decrease) in disaggregated revenue	$ (183)
Percentage increase/(decrease) in disaggregated revenue	(77.00%)
Non-recurring revenues
Disaggregation of Revenue [Line Items]
Revenue	$ 100,800	$ 2,191
Increase/(decrease) in disaggregated revenue	$ 98,609
Percentage increase/(decrease) in disaggregated revenue	4,501%

Revenue - Narrative (Details)

Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue recognized that had been included in deferred revenue as of the beginning of the period	$ 59.1
Contract assets, current	133.1	$ 32.9
Contract assets, non-current	$ 19.6	$ 2.5

Revenue - Remaining Performance

Revenue - Remaining Performance Obligation (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 1,746,668
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 267,055
Revenue, remaining performance obligation, expected timing of satisfaction, period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 295,464
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 282,709
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 215,487
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 213,257
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 472,696
Revenue, remaining performance obligation, expected timing of satisfaction, period

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Tax Contingency [Line Items]
Effective tax rate	14%	25.20%
Effective tax rate before valuation allowance is included (as percent)	13.80%	19.20%
Discrete tax benefit	$ 1,000	$ 300
Income taxes paid, including foreign withholding taxes	4,942	3,349
Foreign Country
Income Tax Contingency [Line Items]
Income taxes paid, including foreign withholding taxes	$ 4,400	$ 3,200

Net Income Per Share - Numerato

Net Income Per Share - Numerator and Denominator of Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income applicable to InterDigital, Inc.	$ 105,259	$ 17,994
Weighted-average shares outstanding:
Weighted-average shares outstanding: basic (in shares)	28,780	30,703
Dilutive effect of stock options, RSUs, convertible securities and warrants (in shares)	592	572
Weighted-average shares outstanding: diluted (in shares)	29,372	31,275
Earnings per share:
Net income per common share: basic (in USD per share)	$ 3.66	$ 0.59
Dilutive effect of stock options, RSUs, convertible securities and warrants (in USD per share)	(0.08)	(0.01)
Net income per common share: diluted (in USD per share)	$ 3.58	$ 0.58

Net Income Per Share - Antidilu

Net Income Per Share - Antidilutive Securities Excluded from Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	7,908	5,335
Restricted stock units and stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	420	414
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	7,488	4,921

Litigation and Legal Proceedi_2

Litigation and Legal Proceedings (Details) - U.K. Proceedings $ in Millions	Mar. 16, 2023 USD ($)
Loss Contingencies [Line Items]
Amount awarded	$ 138.7
Attorney fees	$ 5.7

Cash, Concentration of Credit_3

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Cash and cash equivalents	$ 430,625	$ 693,479	$ 783,016
Restricted cash	12,085	9,682	5,716
Restricted cash included within other non-current assets	0	0	1,081
Total cash, cash equivalents and restricted cash	$ 442,710	$ 703,161	$ 789,813	$ 713,224

Cash, Concentration of Credit_4

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Assets:
Total	$ 962,769	$ 1,211,459
Amount of commercial paper included in cash and cash equivalents	430,625	693,479	$ 783,016
U.S. government securities(c)
Assets:
Securities	227,745	243,840
Corporate bonds, asset backed and other securities (d)
Assets:
Securities	185,048	113,838
Money market and demand accounts
Assets:
Cash and cash equivalents	375,375	643,825
Commercial Paper
Assets:
Cash and cash equivalents	174,601	209,956
Amount of commercial paper included in cash and cash equivalents	0	26,700
Corporate bonds, asset backed and other securities (d)
Assets:
Amount of commercial paper included in cash and cash equivalents	9,400	16,900
U.S. government securities(c)
Assets:
Amount of commercial paper included in cash and cash equivalents	57,900	15,700
Level 1
Assets:
Total	375,375	643,825
Level 1 | U.S. government securities(c)
Assets:
Securities	0	0
Level 1 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	0	0
Level 1 | Money market and demand accounts
Assets:
Cash and cash equivalents	375,375	643,825
Level 1 | Commercial Paper
Assets:
Cash and cash equivalents	0	0
Level 2
Assets:
Total	587,394	567,634
Level 2 | U.S. government securities(c)
Assets:
Securities	227,745	243,840
Level 2 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	185,048	113,838
Level 2 | Money market and demand accounts
Assets:
Cash and cash equivalents	0	0
Level 2 | Commercial Paper
Assets:
Cash and cash equivalents	174,601	209,956
Level 3
Assets:
Total	0	0
Level 3 | U.S. government securities(c)
Assets:
Securities	0	0
Level 3 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	0	0
Level 3 | Money market and demand accounts
Assets:
Cash and cash equivalents	0	0
Level 3 | Commercial Paper
Assets:
Cash and cash equivalents	$ 0	$ 0

Cash, Concentration of Credit_5

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2022
Concentration Risk [Line Items]
Non-cash acquisition of patents	$ 0	$ 30,100	$ 30,100
Patents
Concentration Risk [Line Items]
Patent impairment charges	$ 2,500
Accounts Receivable | Licensee Concentration Risk | One Largest Licenses
Concentration Risk [Line Items]
Accounts receivable percentage	94%
Accounts Receivable | Licensee Concentration Risk | Five Largest Licensees
Concentration Risk [Line Items]
Accounts receivable percentage				76%

Cash, Concentration of Credit_6

Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Fair Value of Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Technicolor Patent Acquisition Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 30,937	$ 30,662
Fair Value	29,140	28,048
2024 Senior Convertible Long-Term Debt | Convertible Notes 2027
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
2.00% Senior Convertible Notes due 2024	460,000	460,000
Carrying Value	451,493	451,062
Fair Value	515,605	441,485
2024 Senior Convertible Long-Term Debt | Convertible Notes 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
2.00% Senior Convertible Notes due 2024	126,174	126,174
Carrying Value	125,484	125,342
Fair Value	$ 130,199	$ 119,941

Obligations - 2027 and 2024 Sen

Obligations - 2027 and 2024 Senior Convertible Notes, and Related Note Hedge and Warrant Transactions (Details) $ / shares in Units, shares in Millions	May 27, 2022 USD ($) $ / shares	Jun. 03, 2019 USD ($) $ / shares	Mar. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 25, 2022 $ / shares shares	May 31, 2019 $ / shares shares
Debt Instrument [Line Items]
Number of securities (in shares) | shares						5.9	4.9
Exercise price (in USD per share) | $ / shares			$ 109.43			$ 106.37	$ 109.43
Convertible Notes 2027 | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Principal Amount	$ 460,000,000
Interest rate (as a percent)	3.50%
Proceeds from debt	$ 450,000,000
Debt instrument convertible ratio	0.0129041
Conversion price | $ / shares	$ 77.49
Anti-dilution adjustments | shares						5.9
2.00% Senior Convertible Notes due 2024			$ 460,000,000	$ 460,000,000
Convertible Notes 2024
Debt Instrument [Line Items]
Repurchase amount					$ 273,800,000
Convertible Notes 2024 | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Principal Amount		$ 400,000,000
Interest rate (as a percent)		2%
Proceeds from debt		$ 391,600,000
Debt instrument convertible ratio		0.0123018
Conversion price | $ / shares		$ 81.29
Anti-dilution adjustments | shares							4.9
2.00% Senior Convertible Notes due 2024			$ 126,174,000	$ 126,174,000
2024 Note Hedge Transaction | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Anti-dilution adjustments | shares			1.6
2024 Warrant Transactions | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Anti-dilution adjustments | shares			1.6

Obligations - Carrying Value of

Obligations - Carrying Value of 2027 Notes and 2024 Notes (Details) - Convertible Debt - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Less:
Deferred financing costs	$ (9,197)	$ (9,770)
Net carrying amount of the Convertible Notes	$ 576,977	$ 576,404

Obligations - Accretion of Debt

Obligations - Accretion of Debt Discount and Amortization of Financing Costs (Details) - Convertible Debt - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Contractual coupon interest	$ 4,656
Amortization of deferred financing costs	573
Total	5,229
Convertible Notes 2027
Debt Instrument [Line Items]
Contractual coupon interest	4,025
Amortization of deferred financing costs	431
Total	4,456
Convertible Notes 2024
Debt Instrument [Line Items]
Contractual coupon interest	631	$ 2,000
Amortization of deferred financing costs	142	424
Total	$ 773	$ 2,424

Obligations - Technicolor Paten

Obligations - Technicolor Patent Acquisition Long-Term Debt (Details) - Technicolor - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	May 31, 2019
Business Acquisition [Line Items]
Effective interest rate percentage	14.50%
Interest debt expense	$ 0.3	$ 0.9
Receive future cash receipts percentage			42.50%

Variable Interest Entities (Det

Variable Interest Entities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) entity	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Assets	$ 1,748,558		$ 1,900,105
Liabilities	1,123,257		1,169,592
Cash and cash equivalents	430,625	$ 783,016	693,479
Patents, net	344,205		353,999
Accounts receivable	144,038		53,182
Noncontrolling interests	$ (1,739)	$ (290)
Primary Beneficiary
Variable Interest Entity [Line Items]
Number of variable interest entities | entity	1
Assets	$ 14,600		17,500
Liabilities	300		1,800
Cash and cash equivalents	4,200		4,400
Accounts receivable and prepaid assets	1,500
Patents, net	$ 8,900		9,100
Accounts receivable			$ 4,000

Other Income (Expense), Net - O

Other Income (Expense), Net - Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Other Income and Expenses [Abstract]
Interest and investment income	$ (11,680)	$ (209)
Other	1,511	(1,214)
Other income (expense), net	$ 13,191	$ (1,005)

Other Income (Expense), Net - N

Other Income (Expense), Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Other Income and Expenses [Abstract]
Interest and investment income	$ 11,680	$ 209
Change in interest and investment income	11,500
Gain (loss) on investments	1,000	(800)
Gain on euro translation of foreign subsidiaries	$ 700	$ (400)

Other Assets - Prepaid and Othe

Other Assets - Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Tax receivables	$ 66,854	$ 64,117
Prepaid assets	13,447	9,044
Restricted cash	12,085	9,682	$ 5,716
Patents held for sale	1,500	4,000
Other current assets	7,806	2,873
Total Prepaid and other current assets	$ 101,692	$ 89,716

Other Assets - Other Non-Curren

Other Assets - Other Non-Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Tax receivables	$ 31,967	$ 29,370
Goodwill	22,421	22,421
Long-term investments	19,715	19,593
Contract asset	19,573	2,544
Right-of-use assets	17,431	18,034
Other non-current assets	3,639	3,758
Total Other non-current assets, net	$ 114,746	$ 95,720

Restructuring Activities - Narr

Restructuring Activities - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Restructuring and Related Activities [Abstract]
Restructuring reserve	$ 3,060	$ 4,495

Restructuring Activities - Rest

Restructuring Activities - Restructuring Activity Included in Other Accrued Expenses (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 4,495
Cash payments	(1,487)
Other	52
Ending balance	$ 3,060

Restructuring Activities - Re_2

Restructuring Activities - Restructuring Activity Included in Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring and Related Activities [Abstract]
Severance and other benefits	$ 0	$ 527
Outside services and other associated costs	0	15
Total	$ 0	$ 542