The weekly litigation news digest is live. Subscribe now

IP Verse

Method For Measuring Reactivity Of Fviii - EP3199952

The patent EP3199952 was granted to Chugai Seiyaku Kabushiki Kaisha on Nov 2, 2022. The application was originally filed on Sep 24, 2015 under application number EP15843728A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3199952

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP15843728A
Filing Date
Sep 24, 2015
Status
Granted And Under Opposition
Sep 30, 2022
Publication Date
Nov 2, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

Get instant alerts for new oppositions and patent status changes

MAIWALDAug 2, 2023MAIWALDADMISSIBLE
WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBBJul 26, 2023WICHMANNADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2012082201
INTERNATIONAL-SEARCH-REPORTUS2013330345
INTERNATIONAL-SEARCH-REPORTWO2014050926
OPPOSITIONEP1876236
OPPOSITIONEP2644698
OPPOSITIONEP2902787
OPPOSITIONEP3199554
OPPOSITIONUS2013330345
OPPOSITIONWO2011159820
OPPOSITIONWO2012067176
OPPOSITIONWO2014050926
OPPOSITIONWO9218539
SEARCHUS2003211460
SEARCHUS2013330345

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