(19)
(11) EP 4 798 252 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 25751438.0

(22) Date of filing: 27.01.2025
(51) International Patent Classification (IPC): 
A61K 47/68(2017.01)
A61K 39/00(2006.01)
A61P 35/00(2006.01)
 A61K 45/00(2006.01)
C07K 16/28(2006.01)
(52) Cooperative Patent Classification (CPC):
A61P 35/00; C07K 2317/53; C07K 16/32; C07K 2317/52; A61K 47/68031; A61K 47/6889; A61K 47/68037; A61K 47/6851
(86) International application number:
PCT/CN2025/075491
(87) International publication number:
WO 2025/167838 (14.08.2025 Gazette 2025/33)
(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: 08.02.2024 WO PCT/CN2024/076910

(71) Applicant: SUZHOU BIOREINNO BIOTECHNOLOGY LIMITED COMPANY
Suzhou, Jiangsu 215151 (CN)

(72) Inventors:
  • JI, Ao
    Suzhou, Jiangsu 215000 (CN)
  • WU, Lili
    Suzhou, Jiangsu 215151 (CN)
  • SHAO, Yaru
    Suzhou, Jiangsu 215151 (CN)
  • RAN, Yajun
    Suzhou, Jiangsu 215151 (CN)
  • CHEN, Hua
    Suzhou, Jiangsu 215151 (CN)

(74) Representative: Engelhard, Markus 
Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22
80336 München
80336 München (DE)

   


(54) ANTIBODIES, ANTIBODY-DRUG CONJUGATES, AND PRODUCING METHODS THEREOF