Form: 3

Initial statement of beneficial ownership of securities

November 12, 2021

POWER OF ATTORNEY



(For Executing Form ID and Forms 3, 4 and 5)



Know all by these presents, that the undersigned hereby constitutes and appoints each of Barry

Shin and Jennifer Keyser, of Trevena, Inc. (the "Company"), signing individually, the undersigned's

true and lawful attorneys-in fact and agents to:



(1) Prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to

the Securities and Exchange Commission (the "SEC") Form ID and Forms 3, 4 and 5 (including amendments

thereto and joint filing agreements in connection therewith) in accordance with Section 16(a) of

the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the rules thereunder in

the undersigned's capacity as an officer, director or beneficial owner of more than 10% of a

registered class of securities of the Company;



(2) Do and perform any and all acts for and on behalf of the undersigned that may be necessary

or desirable to prepare and execute any such Form ID and Forms 3, 4 or 5 (including amendments

thereto and joint filing agreements in connection therewith) and file such forms with the SEC

and any stock exchange, self-regulatory association or any similar authority; and



(3) Take any other action of any type whatsoever in connection with the foregoing that, in the

opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally

required of the undersigned, it being understood that the documents executed by the attorney-in-fact

on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall

contain such terms and conditions as the attorney-in-fact may approve in the attorney-in-fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full power and authority to do

and perform any and every act and thing whatsoever requisite, necessary, or proper to be

done in the exercise of any of the rights and powers herein granted, as fully to all intents

and purposes as the undersigned might or could do if personally present, with full power of

substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact,

or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done

by virtue of this power of attorney and the rights and powers herein granted. The undersigned

acknowledges that the foregoing attorneys-in-fact, and their substitutes, in serving in such

capacity at the request of the undersigned, are not assuming (nor is the Company assuming) any

of the undersigned's responsibilities to comply with Section 16 of the Exchange Act.



This Power of Attorney shall remain in full force and effect until the earliest to occur of

(a) the undersigned is no longer required to file Form ID or Forms 3, 4 and 5 with respect to

the undersigned's holdings of and transactions in securities issued by the Company, (b) revocation

by the undersigned in a signed writing delivered to the Company and the foregoing attorneys-in fact

or (c) as to any attorney-in-fact individually, until such attorney-in-fact is no longer employed

by the Company.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of the

date written below.



By: /s/ Pattie Drake

Name: Pattie Drake

Title: SVP Chief Commercial Officer



Date: 11/12/2021