Attached files
| file | filename |
|---|---|
| S-1 - S-1 - Oncotelic Therapeutics, Inc. | d387311ds1.htm |
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference, in the Prospectus constituting a part of this Registration Statement on Form S-1, of our report dated March 30, 2017 (which report expresses an unqualified opinion and includes an explanatory paragraph expressing substantial doubt about the Company’s ability to continue as a going concern), relating to the financial statements of Mateon Therapeutics, Inc. included in the Annual Report on Form 10-K for the year ended December 31, 2016.
We also consent to the reference to us under the caption “Experts” in the Prospectus.
/s/ OUM & CO. LLP
San Francisco, California
May 11, 2017