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EP 4 816 404 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24896655.8 (22) Date of filing: 28.11.2024

(51) International Patent Classification (IPC):  C07K 16/28(2006.01) C12N 15/13(2006.01) A61K 39/00(2006.01) A61P 35/00(2006.01) C07K 19/00(2006.01) C12N 15/63(2006.01) A61K 39/395(2006.01) A61P 31/00(2006.01) (52) Cooperative Patent Classification (CPC): A61P 31/00; A61P 35/00; C07K 16/2818; C07K 2317/622; C07K 2317/20; C07K 2317/76; C07K 2317/92; C07K 2317/53; A61K 2039/505; C07K 2317/90; A61K 40/31; A61K 40/11; A61K 40/4221 (86) International application number: PCT/CN2024/135314 (87) International publication number: WO 2025/113570 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 WO PCT/CN2023/135191 (71) Applicant: Vetigenics, Inc. Philadelphia, PA 19104 (US)	(72) Inventors: SAX, Adriann Weiler Philadelphia, PA 19104 (US) LIAO, Shanhui Shanghai 201403 (CN) (74) Representative: Brand Murray Fuller LLP  First Floor, 111 Wardour Street London W1F 0UH London W1F 0UH (GB)