IP Verse

Methods Of Using A Bispecific Antibody That Recognizes Coagulation Factor Ix And/Or Activated Coagulation Factor Ix And Coagulation Factor X And/Or Activated Coagulation Factor X

Patent No. EP3509637 (titled "Methods Of Using A Bispecific Antibody That Recognizes Coagulation Factor Ix And/Or Activated Coagulation Factor Ix And Coagulation Factor X And/Or Activated Coagulation Factor X") was filed by Chugai Seiyaku Kabushiki Kaisha on Sep 5, 2017. The application was issued on Nov 27, 2024.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
ELKINGTON AND FIFEAug 27, 2025ELKINGTON AND FIFE
J A KEMPAug 27, 2025J A KEMP
MAIWALDAug 26, 2025MAIWALD
WUESTHOFF & WUESTHOFFAug 25, 2025WICHMANN

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents

EP3509637

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP17848753A
Filing Date
Sep 5, 2017
Status
Granted And Under Opposition
Oct 25, 2024
Publication Date
Nov 27, 2024
External Links
Slate, Register , Google Patents