(19)

(11)

EP 4 770 990 A2

(12)

(88) Date of publication A3: 24.04.2025 (43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24773642.4 (22) Date of filing: 30.08.2024

(51) International Patent Classification (IPC):  C07C 217/08(2006.01) C07C 219/06(2006.01) C07C 271/20(2006.01) C07C 323/60(2006.01) A61K 9/127(2025.01) C07D 201/00(2006.01) C07C 233/36(2006.01) C07C 323/52(2006.01) C07D 241/08(2006.01) A61K 47/18(2017.01) (52) Cooperative Patent Classification (CPC): C07C 323/60; C07C 323/52; C07C 219/06; C07C 2601/14; C07C 233/36; C07D 241/08; C07C 217/08; C07C 271/20; A61K 9/5123 (86) International application number: PCT/US2024/044698 (87) International publication number: WO 2025/049925 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 01.09.2023 US 202363580080 P 15.12.2023 US 202363610676 P (71) Applicant: Poseida Therapeutics, Inc. San Diego, California 92121 (US)	(72) Inventors: HUANG, Lijun San Diego, California 92121 (US) DAVIS, Alicia M. San Diego, California 92121 (US) HAJJ, Khalid A. San Diego, California 92121 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)