POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints
SoYoung Kwon as his or her true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer of Aptevo Therapeutics Inc. (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder, and any other forms or reports the undersigned may be required
to file in connection with the undersigned's ownership, acquisition, or
disposition of securities of the Company;

(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4, or 5,
or other form or report, and timely file such form or report with the U.S.
Securities and Exchange Commission and any stock exchange or similar authority;
and

(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such 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 such attorney-in-fact may approve in his or
her discretion.

The undersigned hereby grants to such attorney-in-fact full power and authority
to do and perform each and every act and thing whatsoever requisite, necessary,
and 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 his 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 no such attorney-in-fact, in serving in such capacity at the request of the
undersigned, is hereby assuming any of the undersigned's responsibilities to
comply with Section 13 and Section 16 of the Securities Exchange Act of 1934 and
the rules thereunder, as amended.

This Power of Attorney shall remain in full force and effect until revoked by
the undersigned in a signed writing delivered to the foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 14th day of February, 2022.


                                         /s/ Marvin White