Exhibit 31.1
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
I, Henry Ji, certify that:
1. I have reviewed this Amendment No. 1 to the Quarterly Report on Form 10-Q of Sorrento Therapeutics, Inc.; and
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
| Date: July 12, 2013 | By: | /s/ Henry Ji, Ph.D. | ||||||
| Henry Ji, Ph.D. | ||||||||
| Interim Chief Executive Officer | ||||||||
| (Principal Executive Officer) | ||||||||
