IP Verse

High Dpf Cellulose Acetate Tow And Process For Making

Patent No. EP3679182 (titled "High Dpf Cellulose Acetate Tow And Process For Making") was filed by Acetate on Sep 8, 2018. The application was issued on Mar 20, 2024.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
DAICELDec 20, 2024HOFFMANN EITLE
CERDIADec 18, 2024MEISSNER BOLTE PARTNERSCHAFT MBB

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

EP3679182

ACETATE
Application Number
EP18779772A
Filing Date
Sep 8, 2018
Status
Revoked
Aug 29, 2025
Publication Date
Mar 20, 2024
External Links
Slate, EP3679182B1, Google Patents