United States securities and exchange commission logo January 10, 2022 Laura Shawver Chief Executive Officer Silverback Therapeutics, Inc. 500 Fairview Ave N, Suite 600 Seattle, Washington 98109 Re: Silverback Therapeutics, Inc. Registration Statement on Form S-3 Filed January 3, 2022 File No. 333-261979 Dear Dr. Shawver: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Margret Schwartz at 202-551-7153 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Ken Rollins, Esq.