Catalyst For Exhaust Gas Purification

Patent No. EP3581272 (titled "Catalyst For Exhaust Gas Purification") was filed by Cataler on Mar 16, 2018. The application was issued on May 5, 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
UMICORE	Feb 4, 2022	-

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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Sep 8, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 8, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 5, 2023
Termination of the opposition proceedings with revocation of patent
May 30, 2023
Advice of delivery
May 26, 2023
Advice of delivery
May 25, 2023
Annex to the communication - opposition
May 25, 2023
Decision of the Opposition Division and instruction
May 25, 2023
Decision revoking the European patent
May 25, 2023
Decision revoking the European patent
May 25, 2023
Grounds for the decision (Annex) - opposition
May 25, 2023
Means of redress
May 25, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 25, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 25, 2023
Provision of a copy of the minutes - opposition procedure
May 25, 2023
Provision of a copy of the minutes - opposition procedure
May 25, 2023
Scanned annex to a communication - opposition procedure
May 25, 2023
Transmittal of decision / summons - opposition
May 25, 2023
Transmittal of decision / summons - opposition
Apr 20, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
Notification concerning the date of oral proceedings
Apr 20, 2023
Notification concerning the date of oral proceedings
Apr 18, 2023
Information about the result of oral proceedings
Apr 17, 2023
Brief communication - Opposition proceedings
Apr 14, 2023
(Electronic) Receipt
Apr 14, 2023
Letter accompanying subsequently filed items
Apr 14, 2023
Written submission in preparation to/during oral proceedings
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
Citation in opposition procedure - 007
Apr 13, 2023
Citation in opposition procedure - 008
Apr 13, 2023
Consolidated list of cited opposition documents
Apr 13, 2023
Letter accompanying subsequently filed items
Apr 13, 2023
Written submission in preparation to/during oral proceedings
Mar 24, 2023
Brief communication - Opposition proceedings
Mar 21, 2023
(Electronic) Receipt
Mar 21, 2023
Letter accompanying subsequently filed items
Mar 21, 2023
Written submission in preparation to/during oral proceedings
Feb 21, 2023
Brief communication - Opposition proceedings
Feb 21, 2023
Brief communication - Opposition proceedings
Feb 21, 2023
Brief communication - Opposition proceedings
Feb 16, 2023
(Electronic) Receipt
Feb 16, 2023
Letter accompanying subsequently filed items
Feb 16, 2023
Written submission in preparation to/during oral proceedings
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Amended description with annotations
Feb 15, 2023
Any annexes (other than citation) to an opposition letter
Feb 15, 2023
Auxiliary request during Opposition procedure
Feb 15, 2023
Auxiliary request during Opposition procedure
Feb 15, 2023
Auxiliary request during Opposition procedure
Feb 15, 2023
Auxiliary request during Opposition procedure - 06
Feb 15, 2023
Auxiliary request during Opposition procedure - 07
Feb 15, 2023
Auxiliary request during Opposition procedure - 08
Feb 15, 2023
Description
Feb 15, 2023
Description
Feb 15, 2023
Description
Feb 15, 2023
Description
Feb 15, 2023
Description
Feb 15, 2023
Description
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 15, 2023
Written submission in preparation to/during oral proceedings
Dec 9, 2022
Notification concerning the date of oral proceedings
Dec 9, 2022
Notification concerning the date of oral proceedings
Oct 4, 2022
Advice of delivery
Sep 27, 2022
Advice of delivery
Sep 26, 2022
Annex to the communication - opposition
Sep 26, 2022
Information concerning oral proceedings
Sep 26, 2022
Scanned annex to a communication - opposition procedure
Sep 26, 2022
Summons to attend oral proceedings
Sep 26, 2022
Summons to attend oral proceedings
Sep 26, 2022
Transmittal of decision / summons - opposition
Sep 26, 2022
Transmittal of decision / summons - opposition
Jun 22, 2022
Brief communication - Opposition proceedings
Jun 17, 2022
(Electronic) Receipt
Jun 17, 2022
Amended description with annotations
Jun 17, 2022
Amended description with annotations
Jun 17, 2022
Any annexes (other than citation) to an opposition letter
Jun 17, 2022
Auxiliary request during Opposition procedure
Jun 17, 2022
Auxiliary request during Opposition procedure
Jun 17, 2022
Auxiliary request during Opposition procedure
Jun 17, 2022
Auxiliary request during Opposition procedure
Jun 17, 2022
Auxiliary request during Opposition procedure
Jun 17, 2022
Auxiliary request during Opposition procedure - 01
Jun 17, 2022
Auxiliary request during Opposition procedure - 02
Jun 17, 2022
Auxiliary request during Opposition procedure - 03
Jun 17, 2022
Auxiliary request during Opposition procedure - 04
Jun 17, 2022
Auxiliary request during Opposition procedure - 05
Jun 17, 2022
Description
Jun 17, 2022
Description
Jun 17, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 22, 2022
Communication of a notice of opposition and request to file observations
Feb 22, 2022
Notice of further oppositions to opponent(s)
Feb 16, 2022
Brief communication - Opposition proceedings
Feb 11, 2022
Letter regarding the opposition procedure (no time limit)
Feb 9, 2022
Communication of a notice of opposition - first information to patent proprietor
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Citation in opposition procedure - 001
Feb 4, 2022
Citation in opposition procedure - 002
Feb 4, 2022
Citation in opposition procedure - 003
Feb 4, 2022
Citation in opposition procedure - 004
Feb 4, 2022
Citation in opposition procedure - 005
Feb 4, 2022
Citation in opposition procedure - 006
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Notice of opposition
Feb 4, 2022
Notice of opposition
May 19, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 9, 2021
Decision to grant a European patent
Mar 23, 2021
(Electronic) Receipt
Mar 23, 2021
Filing of the translations of the claims
Mar 23, 2021
French translation of claims
Mar 23, 2021
German translation of the claims
Mar 23, 2021
Letter accompanying subsequently filed items
Jan 13, 2021
Bibliographic data of the European patent application
Jan 13, 2021
Communication about intention to grant a European patent
Jan 13, 2021
Intention to grant (signatures)
Jan 13, 2021
Text intended for grant (clean copy)
Jan 13, 2021
Text intended for grant (version for approval)
Dec 10, 2020
Brief communication to applicant/representative
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Amended claims filed after receipt of (European) search report
Dec 9, 2020
Amended description filed after receipt of (European) search report
Dec 9, 2020
Amendments received before examination
Dec 9, 2020
Letter accompanying subsequently filed items
Dec 1, 2020
Examination started
Jun 24, 2020
Communication to designated inventor
Jun 24, 2020
Communication to designated inventor
Jun 8, 2020
Letter concerning the inventor
May 15, 2020
Amended claims filed after receipt of (European) search report
May 15, 2020
Amended claims with annotations
May 15, 2020
Amended description filed after receipt of (European) search report
May 15, 2020
Amended description with annotations
May 15, 2020
Amendments received before examination
Dec 9, 2019
Invitation to indicate correct address of inventor
Dec 9, 2019
Invitation to indicate correct address of inventor
Dec 3, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 3, 2019
Letter which had not been notified
Dec 3, 2019
Letter which had not been notified
Nov 20, 2019
Notification of forthcoming publication
Nov 14, 2019
Communication regarding the transmission of the European search report
Nov 14, 2019
European search opinion
Nov 14, 2019
Information on Search Strategy
Nov 14, 2019
Supplementary European search report
Nov 1, 2019
Search started
Oct 24, 2019
Copy of the international preliminary report on patentability
Oct 24, 2019
Translation of the international preliminary report on patentability
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Confirmation of effective date of early entry
Sep 12, 2019
(Electronic) Receipt
Sep 12, 2019
Abstract
Sep 12, 2019
Amended claims filed after receipt of (European) search report
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Amended description filed after receipt of (European) search report
Sep 12, 2019
Amended description with annotations
Sep 12, 2019
Claims
Sep 12, 2019
Description
Sep 12, 2019
Drawings
Sep 12, 2019
Matter concerning the application
Sep 12, 2019
Request for entry into the European phase
Aug 9, 2019
Information on entry into European phase
Oct 24, 2018
Priority document (electronically transmitted)
Oct 4, 2018
Copy of the international search report
Oct 4, 2018
Copy of the translated international search report
Oct 4, 2018
International publication pamphlet

EP3581272

CATALER

Application Number: EP18777148A
Filing Date: Mar 16, 2018
Status: Revoked; Sep 8, 2023
Publication Date: May 5, 2021
External Links: Slate, Register , Google Patents

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Catalyst For Exhaust Gas Purification

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Dossier Documents

EP3581272