SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 13, 1999 priceline.com Incorporated (Exact name of registrant as specified in its charter) Delaware 0-25581 06-1528493 (State or other Jurisdiction (Commission File Number) (IRS Employer of Incorporation) Identification No.) Five High Ridge Park, Stamford, Connecticut 06905 (Address of principal office) (zip code) (203) 705-3000 Registrant's telephone number, including area code N/A (Former name or former address, if changed since last report) ITEM 5. OTHER EVENTS. On October 13, 1999, priceline.com Incorporated, a Delaware corporation ("priceline.com"), announced that it had filed suit in U.S. District Court against Microsoft Corporation and its Expedia Inc. subsidiary, claiming that Expedia.com's recently introduced hotel service infringes on priceline.com's U.S. Patent #5,794,207. The suit also charges that Microsoft's conduct is in violation of the Connecticut Unfair Trade Practices Act. The priceline.com suit is seeking declaratory relief, permanent injunctive relief and actual and punitive damages. The information set forth in this paragraph is qualified in its entirety by reference to a press release issued by priceline.com on October 13, 1999, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (c) Exhibits. 99.1 Press Release issued by priceline.com on October 13, 1999. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PRICELINE.COM INCORPORATED By: /s/ Paul E. Francis ------------------------ Name: Paul E. Francis Title: Chief Financial Officer Date: October 14, 1999 EXHIBIT INDEX Exhibit No. Description ----------- ----------- 99.1 Press Release issued by priceline.com on October 13, 1999.