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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 - EP3509637

The patent EP3509637 was granted to Chugai Seiyaku Kabushiki Kaisha on Nov 27, 2024. The application was filed on Sep 5, 2017 under application number EP17848753A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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

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 DateRepresentativeOpposition Status
ELKINGTON AND FIFEAug 27, 2025ELKINGTON AND FIFEADMISSIBLE
J A KEMPAug 27, 2025J A KEMPADMISSIBLE
MAIWALDAug 26, 2025MAIWALDADMISSIBLE
WUESTHOFF & WUESTHOFFAug 25, 2025WICHMANNADMISSIBLE

Patent Citations (29) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP0058481
DESCRIPTIONEP0133988
DESCRIPTIONEP0239400
DESCRIPTIONRO5534262
DESCRIPTIONUS3773919
DESCRIPTIONWO0220565
DESCRIPTIONWO0232925
DESCRIPTIONWO2004044011
DESCRIPTIONWO2005035756
DESCRIPTIONWO2005040229
DESCRIPTIONWO2006109592
DESCRIPTIONWO2011090088
DESCRIPTIONWO2012067176
DESCRIPTIONWO9203918
DESCRIPTIONWO9312227
DESCRIPTIONWO9402602
DESCRIPTIONWO9425585
DESCRIPTIONWO9501937
DESCRIPTIONWO9602576
DESCRIPTIONWO9633735
DESCRIPTIONWO9634096
DESCRIPTIONWO9951743
INTERNATIONAL-SEARCH-REPORTWO2015194233
OPPOSITIONEP1876236
OPPOSITIONEP2644698
OPPOSITIONEP3159006
OPPOSITIONWO2012067176
OPPOSITIONWO2015194233
SEARCHEP3159006

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

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