(19)
(11) EP 4 798 179 A1

(12)

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

(21) Application number: 24795201.3

(22) Date of filing: 25.10.2024
(51) International Patent Classification (IPC): 
A61K 31/00(2006.01)
A61K 47/24(2006.01)
A61K 47/62(2017.01)
C07K 7/08(2006.01)
C12N 15/88(2006.01)
A61K 31/7105(2006.01)
A61K 47/28(2006.01)
A61K 47/69(2017.01)
C07K 14/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C07K 7/08; C07K 14/001; C07K 2319/31; C12N 2800/00; C12N 15/70
(86) International application number:
PCT/EP2024/080339
(87) International publication number:
WO 2025/088193 (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: 27.10.2023 EP 23206414

(71) Applicant: XL-protein GmbH
85354 Freising (DE)

(72) Inventors:
  • FRIEDRICH, Lars
    85354 Freising (DE)
  • BINDER, Uli
    85354 Freising (DE)
  • GEBAUER, Michaela
    85354 Freising (DE)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstraße 3
81675 München
81675 München (DE)

   


(54) METHODS FOR EFFICIENT RECOMBINANT PRODUCTION OF POLYPEPTIDES