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IP Verse

Catalyst And Process Using The Catalyst - EP2331257

The patent EP2331257 was granted to Mexichem Amanco Holding DE CV on Jun 16, 2021. The application was filed on Sep 4, 2009 under application number EP09785052A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2331257

MEXICHEM AMANCO HOLDING DE CV
Application Number
EP09785052A
Filing Date
Sep 4, 2009
Status
Opposition Rejected
Oct 11, 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
ARKEMA FRANCEMar 16, 2022ARKEMA PATENTADMISSIBLE

Patent Citations (7) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTWO2006106353
INTERNATIONAL-SEARCH-REPORTWO9406558
INTERNATIONAL-SEARCH-REPORTWO9810862
OPPOSITIONEP2129644
OPPOSITIONWO2006106353
OPPOSITIONWO9531283
OPPOSITIONWO9810862

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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