IP Verse

Exhaust Gas Purification Catalyst

Patent No. EP4079401 (titled "Exhaust Gas Purification Catalyst") was filed by Mitsui Mining & Smelting on Dec 17, 2020. The application was issued on Mar 27, 2024.

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
JG OPPOSITIONSDec 23, 2024MATHYS & SQUIRE

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

EP4079401

MITSUI MINING & SMELTING
Application Number
EP20903232A
Filing Date
Dec 17, 2020
Status
Granted And Under Opposition
Feb 23, 2024
Publication Date
Mar 27, 2024
External Links
Slate, Register , Google Patents