Polypropylene Film, Metal Membrane Layered Film, And Film Capacitor, And Method For Manufacturing Same

Patent No. EP3296348 (titled "Polypropylene Film, Metal Membrane Layered Film, And Film Capacitor, And Method For Manufacturing Same") was filed by Toray Industries on May 11, 2016. The application was issued on Oct 26, 2022.

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 DateRepresentative
TREOFAN GERMANYJul 26, 2023MAI BESIER

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.

  • Date

    Description

  • Get instant alerts for new documents

EP3296348

TORAY INDUSTRIES
Application Number
EP16792728A
Filing Date
May 11, 2016
Status
Granted And Under Opposition
Sep 23, 2022
Publication Date
Oct 26, 2022