United States securities and exchange commission logo May 3, 2023 Douglas Croxall Chief Executive Officer Crown Electrokinetics Corp. 1110 NE Circle Blvd. Corvallis, Oregon 97330 Re: Crown Electrokinetics Corp. Registration Statement on Form S-3 Filed April 26, 2023 File No. 333-271436 Dear Douglas Croxall: 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 Eranga Dias at 202-551-8107 with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing