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IP Verse

Oxidation Catalyst And Exhaust-Gas Purification System Using The Same - EP1941942

The patent EP1941942 was granted to Catalyst Technology on Jun 16, 2021. The application was filed on Nov 23, 2007 under application number EP07121455A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP1941942

CATALYST TECHNOLOGY
Application Number
EP07121455A
Filing Date
Nov 23, 2007
Status
Opposition Rejected
Feb 2, 2024
Publication Date
Jun 16, 2021
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
JOHNSON MATTHEY PUBLIC LIMTEDMar 16, 2022NUNNWITHDRAWN

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONJP2002001067
DESCRIPTIONJP2004169643
DESCRIPTIONJP2006322490
DESCRIPTIONJPH01318715
DESCRIPTIONUS2002039550
DESCRIPTIONUS2004168429
DESCRIPTIONUS4902487
EXAMINATIONEP1985353
OPPOSITIONEP1864713
OPPOSITIONUS2002039550
OPPOSITIONWO9939809
SEARCHEP1864713
SEARCHUS4912776
SEARCHWO2006021337
SEARCHWO2006109417
SEARCHWO2008064152

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

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