(19)

(11)

EP 4 581 057 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23776171.3 (22) Date of filing: 29.08.2023

(51) International Patent Classification (IPC):  C07K 16/28(2006.01) A61P 35/00(2006.01) A61K 39/395(2006.01) A61K 39/00(2006.01) (52) Cooperative Patent Classification (CPC): C07K 16/2803; C07K 16/2866; A61K 2039/505; A61K 39/3955; C07K 2317/76; A61P 35/00; A61K 2039/507 (86) International application number: PCT/US2023/031423 (87) International publication number: WO 2024/049839 (07.03.2024 Gazette 2024/10)

(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: 29.08.2022 US 202263401910 P (71) Applicant: Maro Bio Inc. South San Francisco, CA 94080 (US)	(72) Inventors: SOROS, Vanessa South San Francisco, California 94080 (US) CHHABRA, Akanksha South San Francisco, California 94080 (US) LE, Alan South San Francisco, California 94080 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)