(19)

(11)

EP 4 798 706 A2

(12)

(88) Date of publication A3: 30.05.2025 (43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24808772.8 (22) Date of filing: 28.10.2024

(51) International Patent Classification (IPC):  C12N 9/12(2006.01) C12N 9/80(2006.01) C12N 9/36(2006.01) C12P 21/02(2006.01) (52) Cooperative Patent Classification (CPC): C12N 9/2462; C12N 9/80; C12N 9/1247; C12P 21/02; C12R 2001/19; C12Y 207/07006; C12Y 302/01017; C12Y 305/01088 (86) International application number: PCT/US2024/053215 (87) International publication number: WO 2025/091009 (01.05.2025 Gazette 2025/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 27.10.2023 US 202363546075 P 14.03.2024 US 202463565189 P (71) Applicant: Sutro Biopharma, Inc. South San Francisco CA 94080 (US)	(72) Inventors: GROFF, Daniel James south San Francisco, California 94080 (US) BLAKE-HEDGES, Jacquelyn Marie South San Francisco, California 94080 (US) FOO, Wilson Lee South San Francisco, California 94080 (US) YUAN, Dawei South San Francisco, California 94080 (US) (74) Representative: Geling, Andrea  ZSP Patentanwälte PartG mbB Hansastraße 32 80686 München 80686 München (DE)