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IP Verse

Liquid Composition, Solid Polymer Electrolyte Membrane, Membrane Electrode Assembly, And Solid Polymer Fuel Cell - EP3892642

The patent EP3892642 was granted to AGC on Aug 23, 2023. The application was filed on Dec 6, 2019 under application number EP19892568A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3892642

AGC
Application Number
EP19892568A
Filing Date
Dec 6, 2019
Status
Granted And Under Opposition
Jul 21, 2023
Publication Date
Aug 23, 2023
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
SOLVAY SPECIALTY POLYMERS ITALYMay 22, 2024FERRIADMISSIBLE
SYENSQO SPECIALTY POLYMERS ITALYMay 22, 2024FERRIADMISSIBLE

Patent Citations (20) New

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

Citation PhasePublication Number
DESCRIPTIONJP20180230348
DESCRIPTIONJP3915846B
DESCRIPTIONWO2011013578
DESCRIPTIONWO2017221840
DESCRIPTIONWO2018012374
INTERNATIONAL-SEARCH-REPORTJP2006107914
INTERNATIONAL-SEARCH-REPORTJP2006260811
INTERNATIONAL-SEARCH-REPORTWO2012046870
INTERNATIONAL-SEARCH-REPORTWO2013031479
OPPOSITIONUS2007099052
OPPOSITIONUS2008138685
OPPOSITIONUS2009110967
OPPOSITIONUS2013052561
OPPOSITIONUS2014141357
OPPOSITIONUS2015155583
OPPOSITIONUS2016301092
OPPOSITIONUS2018273663
SEARCHEP2144318
SEARCHUS2006019140
SEARCHUS2011070521

Dossier Documents

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    Description

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