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(11)

EP 4 547 701 A1

(12)

(43) Date of publication: 07.05.2025 Bulletin 2025/19 (21) Application number: 23748367.2 (22) Date of filing: 30.06.2023

(51) International Patent Classification (IPC):  C07K 14/54(2006.01) A61P 35/00(2006.01) A61K 38/00(2006.01) (52) Cooperative Patent Classification (CPC): C07K 14/5434; A61P 35/00; A61K 38/00; C07K 2319/21; C07K 2319/30; A61K 45/06 (86) International application number: PCT/US2023/026802 (87) International publication number: WO 2024/006563 (04.01.2024 Gazette 2024/01)

(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: KH MA MD TN (30) Priority: 01.07.2022 US 202263357939 P (71) Applicant: Sutro Biopharma, Inc. South San Francisco CA 94080 (US)

(72) Inventors: YANG, Junhao South San Francisco, California 94080 (US) GAKHAL, Amandeep Kaur South San Francisco, California 94080 (US) YAM, Alice South San Francisco, California 94080 (US) CALARESE, Daniel South San Francisco, California 94080 (US) HENNINGSEN, Robert South San Francisco, California 94080 (US) (74) Representative: Hutter, Anton et al Venner Shipley LLP 5 Stirling House Stirling Road The Surrey Research Park Guildford GU2 7RF Guildford GU2 7RF (GB)