Laminated Separator, Polyolefin Microporous Membrane, And Separator For Electricity Storage Device

Patent No. EP2708359 (titled "Laminated Separator, Polyolefin Microporous Membrane, And Separator For Electricity Storage Device") was filed by Asahi Kasei E Materials on Mar 9, 2010. The application was issued on Feb 21, 2018.

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 GERMANYNov 21, 2018MAI 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

EP2708359

ASAHI KASEI E MATERIALS
Application Number
EP13196694A
Filing Date
Mar 9, 2010
Status
Granted And Under Opposition
Jan 19, 2018
Publication Date
Feb 21, 2018