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IP Verse

Piston Ring - EP3273113

The patent EP3273113 was granted to Kabushiki Kaisha Riken on Dec 2, 2020. The application was filed on Feb 15, 2016 under application number EP16761436A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3273113

KABUSHIKI KAISHA RIKEN
Application Number
EP16761436A
Filing Date
Feb 15, 2016
Status
Granted And Under Opposition
Oct 30, 2020
Publication Date
Dec 2, 2020
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
MAHLEAug 31, 2021EINSIEDLER -

Patent Citations (15) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2008183765
INTERNATIONAL-SEARCH-REPORTJP2009084604
INTERNATIONAL-SEARCH-REPORTJP2009287730
INTERNATIONAL-SEARCH-REPORTUS2012205876
OPPOSITIONDE102011089284
OPPOSITIONDE102012005174
OPPOSITIONDE19825860
OPPOSITIONUS2009226756
OPPOSITIONUS2012205876
OPPOSITIONUS2014137733
OPPOSITIONWO2O15023002
SEARCHUS2009226756
SEARCHUS2011100318
SEARCHUS2012205876
SEARCHUS2014137733

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.

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    Description

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