Catalyst And Process Using The Catalyst

Patent No. EP2331257 (titled "Catalyst And Process Using The Catalyst") was filed by Mexichem Amanco Holding DE CV on Sep 4, 2009. The application was issued on Jun 16, 2021.

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.

Company	Opposition Date	Representative
ARKEMA FRANCE	Mar 16, 2022	ARKEMA PATENT

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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Oct 14, 2024
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 14, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 8, 2024
Annex to the communication - opposition
Jul 8, 2024
Brief communication - Opposition proceedings
Jul 8, 2024
Brief communication - Opposition proceedings
Jul 8, 2024
Decision rejecting the opposition
Jul 8, 2024
Decision rejecting the opposition
Jul 8, 2024
Grounds for the decision (Annex) - opposition
Jul 8, 2024
Means of redress
Jul 8, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 8, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 8, 2024
Provision of a copy of the minutes - opposition procedure
Jul 8, 2024
Provision of a copy of the minutes - opposition procedure
Jul 4, 2024
Decision of the Opposition Division and instruction
Jun 11, 2024
Information about the result of oral proceedings
Apr 18, 2024
Brief communication - Opposition proceedings
Apr 15, 2024
Brief communication - Opposition proceedings
Apr 10, 2024
(Electronic) Receipt
Apr 10, 2024
Letter accompanying subsequently filed items
Apr 10, 2024
Written submission in preparation to/during oral proceedings
Apr 8, 2024
(Electronic) Receipt
Apr 8, 2024
Letter accompanying subsequently filed items
Apr 8, 2024
Written submission in preparation to/during oral proceedings
Oct 23, 2023
(Electronic) Receipt
Oct 23, 2023
Advice of delivery
Oct 23, 2023
Annex to the communication - opposition
Oct 23, 2023
Information concerning oral proceedings
Oct 23, 2023
Letter accompanying subsequently filed items
Oct 23, 2023
Scanned annex to a communication - opposition procedure
Oct 23, 2023
Summons to attend oral proceedings
Oct 23, 2023
Summons to attend oral proceedings
Oct 23, 2023
Transmittal of decision / summons - opposition
Oct 23, 2023
Transmittal of decision / summons - opposition
Aug 2, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
(Electronic) Receipt
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure
Jul 28, 2022
Auxiliary request during Opposition procedure - 01
Jul 28, 2022
Auxiliary request during Opposition procedure - 02
Jul 28, 2022
Auxiliary request during Opposition procedure - 03
Jul 28, 2022
Auxiliary request during Opposition procedure - 04
Jul 28, 2022
Auxiliary request during Opposition procedure - 05
Jul 28, 2022
Auxiliary request during Opposition procedure - 06
Jul 28, 2022
Letter accompanying subsequently filed items
Jul 28, 2022
Reply of the patent proprietor to the notice(s) of opposition
Mar 29, 2022
Communication of a notice of opposition and request to file observations
Mar 29, 2022
Notice of further oppositions to opponent(s)
Mar 24, 2022
Communication of a notice of opposition - first information to patent proprietor
Mar 16, 2022
(Electronic) Receipt
Mar 16, 2022
Citation in opposition procedure - 001
Mar 16, 2022
Citation in opposition procedure - 002
Mar 16, 2022
Citation in opposition procedure - 003
Mar 16, 2022
Citation in opposition procedure - 004
Mar 16, 2022
Citation in opposition procedure - 005
Mar 16, 2022
Consolidated list of cited opposition documents
Mar 16, 2022
Notice of opposition
Mar 16, 2022
Notice of opposition
Jun 29, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 20, 2021
Decision to grant a European patent
May 6, 2021
(Electronic) Receipt
May 6, 2021
Filing of the translations of the claims
May 6, 2021
French translation of claims
May 6, 2021
German translation of the claims
May 6, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
Bibliographic data of the European patent application
Mar 2, 2021
Communication about intention to grant a European patent
Mar 2, 2021
Intention to grant (signatures)
Mar 2, 2021
Text intended for grant (clean copy)
Mar 2, 2021
Text intended for grant (version for approval)
Feb 9, 2021
(Electronic) Receipt
Feb 9, 2021
Description
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 9, 2021
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 20, 2021
Bibliographic data of the European patent application
Jan 20, 2021
Communication about intention to grant a European patent
Jan 20, 2021
Intention to grant (signatures)
Jan 20, 2021
Text intended for grant (clean copy)
Jan 20, 2021
Text intended for grant (version for approval)
Aug 11, 2020
(Electronic) Receipt
Aug 11, 2020
Description
Aug 11, 2020
Letter accompanying subsequently filed items
Aug 11, 2020
Reply to communication from the Examining Division
Jul 23, 2020
Annex to the communication
Jul 23, 2020
Communication from the Examining Division
Apr 29, 2020
(Electronic) Receipt
Apr 29, 2020
Amended description with annotations
Apr 29, 2020
Description
Apr 29, 2020
Letter accompanying subsequently filed items
Apr 29, 2020
Reply to communication from the Examining Division
Mar 2, 2020
Grant of extension of time limit (examination procedure)
Feb 24, 2020
(Electronic) Receipt
Feb 24, 2020
Letter accompanying subsequently filed items
Feb 24, 2020
Request for extension of time limit to communication from the Examining Division
Dec 19, 2019
Annex to the communication
Dec 19, 2019
Communication from the Examining Division
Aug 5, 2019
(Electronic) Receipt
Aug 5, 2019
Amended claims with annotations
Aug 5, 2019
Amended description with annotations
Aug 5, 2019
Claims
Aug 5, 2019
Description
Aug 5, 2019
Letter accompanying subsequently filed items
Aug 5, 2019
Reply to communication from the Examining Division
May 28, 2019
Grant of extension of time limit (examination procedure)
May 23, 2019
(Electronic) Receipt
May 23, 2019
Letter accompanying subsequently filed items
May 23, 2019
Request for extension of time limit to communication from the Examining Division
Mar 26, 2019
Annex to the communication
Mar 26, 2019
Communication from the Examining Division
Dec 18, 2018
(Electronic) Receipt
Dec 18, 2018
Letter accompanying subsequently filed items
Dec 18, 2018
Reply to communication from the Examining Division
Dec 14, 2018
Submission concerning representation
Oct 11, 2018
Grant of extension of time limit (examination procedure)
Oct 1, 2018
(Electronic) Receipt
Oct 1, 2018
Letter accompanying subsequently filed items
Oct 1, 2018
Request for extension of time limit to communication from the Examining Division
Aug 10, 2018
Annex to the communication
Aug 10, 2018
Communication from the Examining Division
Jan 31, 2018
(Electronic) Receipt
Jan 31, 2018
Amended claims with annotations
Jan 31, 2018
Amended description with annotations
Jan 31, 2018
Claims
Jan 31, 2018
Description
Jan 31, 2018
Letter accompanying subsequently filed items
Jan 31, 2018
Reply to communication from the Examining Division
Dec 8, 2017
Grant of extension of time limit (examination procedure)
Dec 4, 2017
(Electronic) Receipt
Dec 4, 2017
Letter accompanying subsequently filed items
Dec 4, 2017
Request for extension of time limit to communication from the Examining Division
Jul 31, 2017
Annex to the communication
Jul 31, 2017
Communication from the Examining Division
Jul 25, 2017
Examination started
Aug 11, 2016
Response to enquiry for communication from the Examining Division
Aug 4, 2016
(Electronic) Receipt
Aug 4, 2016
Enquiry as to when a communication from the Examining Division can be expected
Aug 4, 2016
Letter accompanying subsequently filed items
Apr 22, 2015
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2015
Submission concerning a transfer of rights (applicant)
Aug 8, 2013
Communication of amended entries concerning the representative
Aug 2, 2013
Submission concerning change of applicant's representative
Jul 31, 2013
Submission concerning change of applicant's representative
Sep 28, 2012
Submission concerning representation
May 26, 2011
Amended description filed after receipt of (European) search report
May 26, 2011
Amended description with annotations
May 26, 2011
Amendments received before examination
May 25, 2011
Amended description filed after receipt of (European) search report
May 25, 2011
Amended description with annotations
May 25, 2011
Amendments received before examination
May 25, 2011
Cover sheet for fax transmission
May 18, 2011
Notification on forthcoming publication of bibliographic data
Apr 15, 2011
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Mar 23, 2011
Amended claims filed after receipt of (European) search report
Mar 23, 2011
Copy of the international preliminary report on patentability
Mar 23, 2011
Matter concerning the application
Mar 23, 2011
Request for entry into the European phase
Mar 10, 2011
Notification of the recording of a change
Jan 14, 2011
Information on entry into European phase
Apr 29, 2010
Copy of the international search report
Apr 29, 2010
International publication of the international search report
Mar 31, 2010
Priority document (electronically transmitted)
Mar 31, 2010
Priority document (electronically transmitted)
Mar 11, 2010
Published international application - A2
Feb 22, 2010
Written opinion of the ISA, boxes No. I to VIII
Feb 22, 2010
Written opinion of the ISA, cover sheet
Feb 22, 2010
Written opinion of the ISA, supplemental box
Sep 24, 2009
Abstract
Sep 24, 2009
Claims
Sep 24, 2009
Description
Sep 24, 2009
Drawings
Sep 24, 2009
Submission concerning representation

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

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Dossier Documents

EP2331257