The weekly litigation news digest is live. Subscribe now

IP Verse

Complex Oxide, Method For Producing Same And Exhaust Gas Purifying Catalyst - EP2505263

The patent EP2505263 was granted to Anan Kasei on Feb 12, 2020. The application was filed on Nov 25, 2010 under application number EP10833263A. The patent is currently recorded with a legal status of "Revoked".

EP2505263

ANAN KASEI
Application Number
EP10833263A
Filing Date
Nov 25, 2010
Status
Revoked
Mar 26, 2025
Publication Date
Feb 12, 2020
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status
NEO CHEMICALS & OXIDES EUROPENov 11, 2020BIRD & BIRDADMISSIBLE

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2000072437
DESCRIPTIONJPH04214026
DESCRIPTIONJPH05270824
DESCRIPTIONJPS6256322
DESCRIPTIONWO2008156219
INTERNATIONAL-SEARCH-REPORTJP2009537432
INTERNATIONAL-SEARCH-REPORTWO2008046920
OPPOSITIONUS5529969
OPPOSITIONUS6350421
OPPOSITIONWO2008025753
OPPOSITIONWO2008156219
SEARCHEP0444470
SEARCHUS2004209770
SEARCHUS4624940
SEARCHUS4780447
SEARCHUS4940685
SEARCHUS5532198
SEARCHWO2008046920

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