Chugai Seiyaku Aggrecan Binding Domain Polypeptide Patent
Summary
The European Patent Office published patent application EP3807312A1, filed by Chugai Seiyaku Kabushiki Kaisha, covering a polypeptide comprising an aggrecan binding domain and a carrying moiety. This publication grants Chugai Seiyaku intellectual property protection in all designated Contracting States of the European Patent Convention. The invention relates to therapeutic applications for osteoarthritis and related conditions, classified under IPC codes including C07K 16/18.
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GovPing monitors EPO Patent Bulletin - Peptides (C07K) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 46 changes logged to date.
What changed
The EPO published EP3807312A1, a patent application by Chugai Seiyaku Kabushiki Kaisha for a novel polypeptide comprising an aggrecan binding domain and carrying moiety. The application covers therapeutic uses for musculoskeletal conditions and provides IP protection across all designated European Patent Convention states.
Pharmaceutical R&D teams working in musculoskeletal or cartilage-related therapeutics should conduct freedom-to-operate analyses to determine whether this granted patent creates obstacles for their development programs.
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
POLYPEPTIDE COMPRISING AGGRECAN BINDING DOMAIN AND CARRYING MOIETY
Publication EP3807312A1 Kind: A1 Apr 15, 2026
Applicants
CHUGAI SEIYAKU KABUSHIKI KAISHA
Inventors
KITAMURA, Hidetomo, HOSHINO, Maiko, SUN, Yang, KURAMOCHI, Taichi, TU, Wenjie, IGAWA, Tomoyuki, HIRONIWA, Naoka, NOGUCHI, Yuki
IPC Classifications
C07K 16/18 20060101AFI20220616BHEP A61K 39/395 20060101ALI20220616BHEP A61P 19/04 20060101ALI20220616BHEP C07K 19/00 20060101ALI20220616BHEP C12P 21/08 20060101ALI20220616BHEP C12N 15/62 20060101ALI20220616BHEP
Designated 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
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