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EP 4 798 198 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24804684.9 (22) Date of filing: 24.10.2024

(51) International Patent Classification (IPC):  A61K 31/439(2006.01) A61K 31/504(2006.01) A61K 31/517(2006.01) A61K 31/53(2006.01) A61K 39/395(2006.01) A61K 31/4985(2006.01) A61K 31/506(2006.01) A61K 31/529(2006.01) A61K 31/5377(2006.01) A61P 35/00(2006.01) (52) Cooperative Patent Classification (CPC): A61P 35/00; A61K 31/506; A61K 31/4985; A61K 31/517; A61K 39/395; A61K 31/5377; A61K 31/439; A61K 31/53; A61K 31/529; A61K 31/504   C-Sets: A61K 31/5377, A61K 2300/00; A61K 31/439, A61K 2300/00; A61K 31/53, A61K 2300/00; A61K 31/529, A61K 2300/00; A61K 31/504, A61K 2300/00; A61K 31/506, A61K 2300/00; A61K 31/4985, A61K 2300/00; A61K 31/517, A61K 2300/00; A61K 39/395, A61K 2300/00; (86) International application number: PCT/US2024/052874 (87) International publication number: WO 2025/090808 (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: 25.10.2023 US 202363593222 P 29.03.2024 US 202463572068 P 14.08.2024 US 202463683193 P (71) Applicant: Kumquat Biosciences Inc. San Diego, CA 92121 (US)	(72) Inventors: LIU, Yi San Diego, California 92121 (US) JANES, Matthew R. San Diego, 92121 (US) HANSEN, Rasmus San Diego, California 92121 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)