IP Verse

Heat-Shrinkable Multilayer Film

Patent No. EP3168044 (titled "Heat-Shrinkable Multilayer Film") was filed by Kureha on Apr 28, 2014. The application was issued on May 18, 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
ISARPATENT PATENT UND RECHTSANWALTE BARTH HASSA PECKMANN UND PARTNER MBBFeb 20, 2023ISARPATENT

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

EP3168044

KUREHA
Application Number
EP16201783A
Filing Date
Apr 28, 2014
Status
Revoked
Mar 28, 2025
Publication Date
May 18, 2022
External Links
Slate, EP3168044B1, Google Patents