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IP Verse

Piston With Piston Rings

Patent No. EP3388717 (titled "Piston With Piston Rings") was filed by Toyota Jidosha Kabushiki Kaisha on Apr 12, 2018. The application was issued on Dec 16, 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
MAHLESep 8, 2021BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER

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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EP3388717

TOYOTA JIDOSHA KABUSHIKI KAISHA
Application Number
EP18166946A
Filing Date
Apr 12, 2018
Status
Revoked
Jul 5, 2024
Publication Date
Dec 16, 2020
External Links
Slate, EP3388717B1, Google Patents