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 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
BDO USA, LLP
New York, New York
May 4, 2017
BDO USA, LLP, a Delaware limited liability partnership, is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.
BDO is the brand name for the BDO network and for each of the BDO Member Firms.