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IP Verse

Keratoconjunctival Protecting Agent, Or Keratoconjunctival Disorder Inhibiting Agent - EP2783689

The patent EP2783689 was granted to Otsuka Pharmaceutical Factory on Sep 25, 2019. The application was filed on Nov 22, 2012 under application number EP12851333A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2783689

OTSUKA PHARMACEUTICAL FACTORY
Application Number
EP12851333A
Filing Date
Nov 22, 2012
Status
Opposition Rejected
Mar 4, 2022
Publication Date
Sep 25, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
BITOPJun 25, 2020SCHNEIDERS & BEHRENDT BOCHUMADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
DESCRIPTIONJP2004099472
DESCRIPTIONJP2004331579
DESCRIPTIONJP2004331581
DESCRIPTIONJP2010083829
DESCRIPTIONWO2008034158
INTERNATIONAL-SEARCH-REPORTJP2004331579
INTERNATIONAL-SEARCH-REPORTJP2005529906
INTERNATIONAL-SEARCH-REPORTJP2007137862
INTERNATIONAL-SEARCH-REPORTJPH05271079
OPPOSITIONJP2007137862
OPPOSITIONUS2010297034
OPPOSITIONUS2011053896
OPPOSITIONUS2011207681
SEARCHJP2007137862

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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