(19)

(11)

EP 4 798 625 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24805043.7 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  C07K 16/28(2006.01) C12N 15/113(2010.01) C12N 5/0783(2010.01) C12N 15/85(2006.01) (52) Cooperative Patent Classification (CPC): C07K 16/2824; C07K 2317/81; C12N 15/1138; C12N 2310/20; C12N 5/0636; C07K 2317/622; C12N 2740/10043; C12N 15/90 (86) International application number: PCT/US2024/053136 (87) International publication number: WO 2025/090978 (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: 26.10.2023 US 202363545828 P (71) Applicant: CARGO Therapeutics, Inc. San Carlos, California 94070 (US)	(72) Inventors: YI, Michael San Carlos, California 94070 (US) QUACH, Boi San Carlos, California 94070 (US) BETHUNE, Michael San Carlos, California 94070 (US) SIEGEL, Matthew San Carlos, California 94070 (US) NGUYEN, Nhung San Carlos, California 94070 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)