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EP 4 153 635 A1

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(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 21809551.1 (22) Date of filing: 21.05.2021

(51) International Patent Classification (IPC):  C07K 16/32(2006.01) A61K 38/17(2006.01) C07K 14/705(2006.01) A61P 35/00(2006.01) C12N 5/0783(2010.01) (52) Cooperative Patent Classification (CPC): C07K 16/32; A61P 35/00; C07K 14/4748; C07K 14/71; C07K 2317/92; C07K 2317/622; C07K 2319/03; C07K 2319/33; C07K 2317/565; C07K 2317/73; A61K 35/17; A61K 38/00 (86) International application number: PCT/KR2021/006361 (87) International publication number: WO 2021/235894 (25.11.2021 Gazette 2021/47)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 22.05.2020 US 202016881650 (71) Applicants: GC Cell Corporation Gyeonggi-do 16924 (KR) AbClon Inc. Seoul 08381 (KR)

(72) Inventors: LEE, Jong-Seo Seongnam-si Gyeonggi-do 13473 (KR) KIM, Kyu-Tae Goyang-si Gyeonggi-do 10551 (KR) LEE, Young-Ha Seoul 04753 (KR) HWANG, In-Sik Incheon 21059 (KR) KO, Bong-Kook Seoul 08766 (KR) CHOI, Eunji Yongin-si Gyeonggi-do 16924 (KR) KIM, You-Sun Yongin-si Gyeonggi-do 16924 (KR) KIM, Jeongmin Yongin-si Gyeonggi-do 16924 (KR) JUNG, Miyoung Yongin-si Gyeonggi-do 16924 (KR) LIM, Hoyong Yongin-si Gyeonggi-do 16924 (KR) CHO, Sungyoo Yongin-si Gyeonggi-do 16924 (KR) (74) Representative: Fish & Richardson P.C.  Highlight Business Towers Mies-van-der-Rohe-Straße 8 80807 München 80807 München (DE)