Complex Oxide, Method For Producing Same And Exhaust Gas Purifying Catalyst

Patent No. EP2505263 (titled "Complex Oxide, Method For Producing Same And Exhaust Gas Purifying Catalyst") was filed by Anan Kasei on Nov 25, 2010. The application was issued on Feb 12, 2020.

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
NEO CHEMICALS & OXIDES EUROPENov 11, 2020BIRD & BIRD

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

EP2505263

ANAN KASEI
Application Number
EP10833263A
Filing Date
Nov 25, 2010
Status
Revoked
Mar 26, 2025
Publication Date
Feb 12, 2020