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IP Verse

Sintered Valve Seat - EP3406865

The patent EP3406865 was granted to Kabushiki Kaisha Riken on Jan 29, 2020. The application was filed on Dec 1, 2017 under application number EP17870625A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3406865

KABUSHIKI KAISHA RIKEN
Application Number
EP17870625A
Filing Date
Dec 1, 2017
Status
Opposition Rejected
Feb 7, 2025
Publication Date
Jan 29, 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
MAHLEOct 28, 2020BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER -

Patent Citations (23) New

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

Citation PhasePublication Number
DESCRIPTIONJP3786267B
DESCRIPTIONJP4272706B
DESCRIPTIONJPH0360895
DESCRIPTIONJPH07119421
DESCRIPTIONJPH10184324
INTERNATIONAL-SEARCH-REPORTJP2004232088
INTERNATIONAL-SEARCH-REPORTJP2005256146
INTERNATIONAL-SEARCH-REPORTJP2015014262
INTERNATIONAL-SEARCH-REPORTJPH0233848B
INTERNATIONAL-SEARCH-REPORTJPS5671906U
OPPOSITIONDE102006042950
OPPOSITIONDE102012013226
OPPOSITIONDE102016109539
OPPOSITIONDE19606270
OPPOSITIONEP1882750
OPPOSITIONEP3162475
OPPOSITIONUS5207821
SEARCHDE102015213706
SEARCHEP0505172
SEARCHEP2540852
SEARCHGB2320741
SEARCHJP2015014262
SEARCHJP2017025921

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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