IP Verse

Piston Ring

Patent No. EP3163129 (titled "Piston Ring") was filed by Kabushiki Kaisha Riken on Jun 25, 2015. The application was issued on Oct 14, 2020.

Patent Summary

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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 DateRepresentative
FEDERAL MOGUL BURSCHEIDJul 13, 2021BECKER KURIG & PARTNER PATENTANWALTE MBB

Dossier Documents

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EP3163129

KABUSHIKI KAISHA RIKEN
Application Number
EP15811150A
Filing Date
Jun 25, 2015
Status
Revoked
Jun 9, 2023
Publication Date
Oct 14, 2020
External Links
Slate, EP3163129B1, Google Patents