An Anode For A Solid Oxide Fuel Cell

Patent No. EP3552263 (titled "An Anode For A Solid Oxide Fuel Cell") was filed by Ceres on Dec 7, 2017. The application was issued on Dec 25, 2024.

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
ELCOGEN	Sep 24, 2025	-

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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Jan 9, 2026
Communication: The notice of opposition is deemed not to have been filed
Jan 2, 2026
Brief communication - Opposition proceedings
Dec 18, 2025
(Electronic) Receipt
Dec 18, 2025
Withdrawal of an opposition
Sep 30, 2025
Brief communication - Opposition proceedings
Sep 30, 2025
Communication indicating deficiencies in the notice of opposition which may be remedied
Sep 30, 2025
Communication of a notice of opposition - first information to patent proprietor
Sep 24, 2025
(Electronic) Receipt
Sep 24, 2025
Any annexes (other than citation) to an opposition letter
Sep 24, 2025
Citation in opposition procedure - 001
Sep 24, 2025
Citation in opposition procedure - 002
Sep 24, 2025
Citation in opposition procedure - 003
Sep 24, 2025
Citation in opposition procedure - 004
Sep 24, 2025
Citation in opposition procedure - 005
Sep 24, 2025
Citation in opposition procedure - 006
Sep 24, 2025
Citation in opposition procedure - 007
Sep 24, 2025
Citation in opposition procedure - 008
Sep 24, 2025
Citation in opposition procedure - 009
Sep 24, 2025
Consolidated list of cited opposition documents
Sep 24, 2025
Notice of opposition
Sep 24, 2025
Notice of opposition
Sep 24, 2025
Notice of opposition
Jan 10, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 28, 2024
Decision to grant a European patent
Nov 5, 2024
(Electronic) Receipt
Nov 5, 2024
Filing of the translations of the claims
Nov 5, 2024
French translation of claims
Nov 5, 2024
German translation of the claims
Nov 5, 2024
Letter accompanying subsequently filed items
Aug 5, 2024
Brief communication to applicant/representative
Jul 31, 2024
(Electronic) Receipt
Jul 31, 2024
Letter accompanying subsequently filed items
Jul 31, 2024
Withdrawal of designation of a Contracting State
Jul 10, 2024
Annex to the communication about intention to grant a European patent
Jul 10, 2024
Bibliographic data of the European patent application
Jul 10, 2024
Communication about intention to grant a European patent
Jul 10, 2024
Intention to grant (signatures)
Jul 10, 2024
Text intended for grant (clean copy)
Jul 10, 2024
Text intended for grant (version for approval)
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to a communication
Jul 8, 2024
Annex to the communication
Jul 8, 2024
Minutes of the oral proceedings (examining division)
Jul 8, 2024
Minutes of the oral proceedings (examining division)
Jul 8, 2024
Provision of a copy of the minutes of oral proceedings
May 31, 2024
(Electronic) Receipt
May 31, 2024
Letter accompanying subsequently filed items
May 31, 2024
Letter dealing with oral proceedings
May 28, 2024
Notification concerning the date of oral proceedings
May 17, 2024
(Electronic) Receipt
May 17, 2024
Amended claims with annotations
May 17, 2024
Amended claims with annotations
May 17, 2024
Amended claims with annotations
May 17, 2024
Claims
May 17, 2024
Claims
May 17, 2024
Claims
May 17, 2024
Letter accompanying subsequently filed items
May 17, 2024
Letter dealing with oral proceedings
Dec 7, 2023
Annex to the communication
Dec 7, 2023
Summons to attend oral proceedings
Feb 10, 2023
Response to enquiry for communication from the Examining Division
Jan 29, 2023
(Electronic) Receipt
Jan 29, 2023
Enquiry as to the processing of the file
Jan 29, 2023
Letter accompanying subsequently filed items
Nov 28, 2021
Payment submission rejected
Aug 26, 2021
Document concerning representation
Jun 25, 2021
(Electronic) Receipt
Jun 25, 2021
Amended claims with annotations
Jun 25, 2021
Amended claims with annotations
Jun 25, 2021
Amended description with annotations
Jun 25, 2021
Claims
Jun 25, 2021
Claims
Jun 25, 2021
Description
Jun 25, 2021
Letter accompanying subsequently filed items
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 25, 2021
Reply to communication from the Examining Division
Jun 14, 2021
Annex to the communication
Jun 14, 2021
Consultation by telephone/in person
Jun 14, 2021
Result of consultation by telephone/in person
Dec 15, 2020
Annex to the communication
Dec 15, 2020
Communication from the Examining Division
Oct 15, 2020
(Electronic) Receipt
Oct 15, 2020
Amended claims with annotations
Oct 15, 2020
Amended description with annotations
Oct 15, 2020
Amended description with annotations
Oct 15, 2020
Amended drawings with annotations
Oct 15, 2020
Claims
Oct 15, 2020
Description
Oct 15, 2020
Description
Oct 15, 2020
Drawings
Oct 15, 2020
Letter accompanying subsequently filed items
Oct 15, 2020
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Oct 15, 2020
Reply to communication from the Examining Division
Aug 12, 2020
Grant of extension of time limit (examination procedure)
Aug 7, 2020
Annex to the communication
Aug 7, 2020
Consultation by telephone/in person
Aug 7, 2020
Result of consultation by telephone/in person
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Request for extension of time limit to communication from the Examining Division
Apr 8, 2020
Annex to the communication
Apr 8, 2020
Communication from the Examining Division
Apr 2, 2020
Examination started
Jan 16, 2020
(Electronic) Receipt
Jan 16, 2020
Amended claims filed after receipt of (European) search report
Jan 16, 2020
Amended claims with annotations
Jan 16, 2020
Amended description filed after receipt of (European) search report
Jan 16, 2020
Amended description with annotations
Jan 16, 2020
Amendments received before examination
Jan 16, 2020
Letter accompanying subsequently filed items
Sep 18, 2019
Notification on forthcoming publication of bibliographic data
Jul 26, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 24, 2019
Communication to designated inventor
Jul 24, 2019
Communication to designated inventor
Jul 24, 2019
Communication to designated inventor
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
Annex
Jul 2, 2019
Matter concerning the application
Jul 2, 2019
Request for entry into the European phase
Jun 24, 2019
Copy of the international preliminary report on patentability
Jun 17, 2019
Notification of the recording of a change
Jun 17, 2019
Notification of the recording of a change
Apr 23, 2019
Information on entry into European phase
Jul 4, 2018
Priority document (electronically transmitted)
Jun 14, 2018
Copy of the international search report
Jun 14, 2018
Published international application - A1
Mar 15, 2018
ISR: cited documents
Mar 14, 2018
Written opinion of the ISA, boxes No. I to VIII
Mar 14, 2018
Written opinion of the ISA, cover sheet
Mar 14, 2018
Written opinion of the ISA, supplemental box
Jan 5, 2018
Notification of receipt of Search copy
Dec 15, 2017
Abstract
Dec 15, 2017
Claims
Dec 15, 2017
Description
Dec 15, 2017
Drawings
Dec 15, 2017
Fee calculation sheet for an international application
Dec 15, 2017
Notification Concerning Documents Transmitted (copy for ISA/EP)
Dec 15, 2017
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Dec 15, 2017
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Dec 15, 2017
Request form for international application (copy for ISA/EP)

EP3552263

CERES

Application Number: EP17817044A
Filing Date: Dec 7, 2017
Status: Granted And Under Opposition; Nov 22, 2024
Publication Date: Dec 25, 2024
External Links: Slate, Register , Google Patents

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An Anode For A Solid Oxide Fuel Cell

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Dossier Documents

EP3552263