Exhibit 23.3
Consent of Independent Registered Public Accounting Firm
Scilex Pharmaceuticals, Inc.
San Diego, California
We hereby consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement on Form S-3 of Sorrento Therapeutics, Inc. and Subsidiaries, of our report dated April 7, 2016 relating to the financial statements of Scilex Pharmaceuticals, Inc. Our report contains an emphasis of matter paragraph regarding the Company’s ability to continue as a going concern.
We also consent to the reference to us under the caption “Experts” in this Prospectus which is part of the Registration Statement.
/s/ BDO USA, LLP
New York, New York
July 11, 2017