Electrolysis Method And Electrolysis System Comprising Recirculating Flushing Media

Patent No. EP3158111 (titled "Electrolysis Method And Electrolysis System Comprising Recirculating Flushing Media") was filed by Sunfire on Jun 4, 2015. The application was issued on Jul 29, 2020.

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
HALDOR TOPSOE	Apr 27, 2021	D YOUNG

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 3, 2025
Request for change of client data cannot be registered anymore
Sep 1, 2025
Annexes in respect of a client data request
Sep 1, 2025
Annexes in respect of a client data request
Sep 1, 2025
Annexes in respect of a client data request
Sep 1, 2025
Letter accompanying subsequently filed items
Sep 1, 2025
Submission concerning change of applicant's name
Apr 12, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Apr 12, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 3, 2023
Termination of the opposition proceedings with maintenance of patent
Dec 23, 2022
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Decision of the Opposition Division and instruction
Dec 23, 2022
Decision rejecting the opposition
Dec 23, 2022
Decision rejecting the opposition
Dec 23, 2022
Grounds for the decision (Annex) - opposition
Dec 23, 2022
Means of redress
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 8, 2022
Information about the result of oral proceedings
Nov 29, 2022
Brief communication - Opposition proceedings
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Citation in opposition procedure - 011
Nov 24, 2022
Citation in opposition procedure - 012
Nov 24, 2022
Citation in opposition procedure - 013
Nov 24, 2022
Consolidated list of cited opposition documents
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Written submission in preparation to/during oral proceedings
Nov 11, 2022
(Electronic) Receipt
Nov 11, 2022
Brief communication - Opposition proceedings
Nov 11, 2022
Letter accompanying subsequently filed items
Nov 10, 2022
Brief communication - Opposition proceedings
Nov 8, 2022
(Electronic) Receipt
Nov 8, 2022
Letter accompanying subsequently filed items
Nov 8, 2022
Written submission in preparation to/during oral proceedings
Oct 13, 2022
Brief communication - Opposition proceedings
Oct 13, 2022
Brief communication - Opposition proceedings
Oct 7, 2022
(Electronic) Receipt
Oct 7, 2022
(Electronic) Receipt
Oct 7, 2022
Auxiliary request during Opposition procedure
Oct 7, 2022
Auxiliary request during Opposition procedure
Oct 7, 2022
Auxiliary request during Opposition procedure
Oct 7, 2022
Auxiliary request during Opposition procedure
Oct 7, 2022
Auxiliary request during Opposition procedure - 01
Oct 7, 2022
Auxiliary request during Opposition procedure - 02
Oct 7, 2022
Auxiliary request during Opposition procedure - 03
Oct 7, 2022
Auxiliary request during Opposition procedure - 04
Oct 7, 2022
Letter accompanying subsequently filed items
Oct 7, 2022
Letter accompanying subsequently filed items
Oct 7, 2022
Request for interpreters during oral proceedings
Oct 7, 2022
Written submission in preparation to/during oral proceedings
Oct 7, 2022
Written submission in preparation to/during oral proceedings
May 26, 2022
(Electronic) Receipt
May 26, 2022
Advice of delivery
May 26, 2022
Letter accompanying subsequently filed items
May 25, 2022
Advice of delivery
May 25, 2022
Annex to the communication - opposition
May 25, 2022
Information concerning oral proceedings
May 25, 2022
Summons to attend oral proceedings
May 25, 2022
Summons to attend oral proceedings
May 25, 2022
Transmittal of decision / summons - opposition
May 25, 2022
Transmittal of decision / summons - opposition
Jan 11, 2022
Brief communication - Opposition proceedings
Dec 23, 2021
(Electronic) Receipt
Dec 23, 2021
Any annexes (other than citation) to an opposition letter
Dec 23, 2021
Citation in opposition procedure - 004
Dec 23, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
Reply from the opponent to submission of proprietor
Sep 6, 2021
Brief communication - Opposition proceedings
Aug 31, 2021
(Electronic) Receipt
Aug 31, 2021
Letter accompanying subsequently filed items
Aug 31, 2021
Reply of the patent proprietor to the notice(s) of opposition
Aug 6, 2021
Brief communication - Opposition proceedings
Aug 6, 2021
Rejection of request for extension of time limit
Aug 2, 2021
(Electronic) Receipt
Aug 2, 2021
Letter accompanying subsequently filed items
Aug 2, 2021
Request for extension of time limit
May 25, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Citation in opposition procedure - 009
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Letter regarding the opposition procedure (no time limit)
May 12, 2021
Communication of a notice of opposition and request to file observations
May 12, 2021
Notice of further oppositions to opponent(s)
May 4, 2021
Communication confirming withdrawal from representation
May 4, 2021
Communication of a notice of opposition - first information to patent proprietor
May 4, 2021
Communication of amended entries concerning the representative
May 3, 2021
Request for documents
Apr 29, 2021
Result of consultation by telephone/in person
Apr 29, 2021
Submission concerning change of proprietor's representative
Apr 27, 2021
(Electronic) Receipt
Apr 27, 2021
Citation in opposition procedure
Apr 27, 2021
Citation in opposition procedure
Apr 27, 2021
Citation in opposition procedure - 001
Apr 27, 2021
Citation in opposition procedure - 001
Apr 27, 2021
Citation in opposition procedure - 002
Apr 27, 2021
Citation in opposition procedure - 003
Apr 27, 2021
Citation in opposition procedure - 005
Apr 27, 2021
Citation in opposition procedure - 006
Apr 27, 2021
Citation in opposition procedure - 007
Apr 27, 2021
Citation in opposition procedure - 008
Apr 27, 2021
Citation in opposition procedure - 010
Apr 27, 2021
Notice of opposition
Apr 27, 2021
Notice of opposition
Apr 15, 2021
(Electronic) Receipt
Apr 15, 2021
Letter accompanying subsequently filed items
Apr 15, 2021
Submission concerning change of proprietor's representative
Mar 23, 2021
Document concerning representation
Aug 10, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 2, 2020
Decision to grant a European patent
Jun 18, 2020
(Electronic) Receipt
Jun 18, 2020
English translation of the claims
Jun 18, 2020
Filing of the translations of the claims
Jun 18, 2020
French translation of claims
Jun 18, 2020
Letter accompanying subsequently filed items
Jun 9, 2020
Bibliographic data of the European patent application
Jun 9, 2020
Communication about intention to grant a European patent
Jun 9, 2020
Intention to grant (signatures)
Jun 9, 2020
Text intended for grant (clean copy)
Jun 9, 2020
Text intended for grant (version for approval)
May 6, 2020
(Electronic) Receipt
May 6, 2020
Amended claims with annotations
May 6, 2020
Claims
May 6, 2020
Letter accompanying subsequently filed items
May 6, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 9, 2020
Bibliographic data of the European patent application
Jan 9, 2020
Communication about intention to grant a European patent
Jan 9, 2020
Intention to grant (signatures)
Jan 9, 2020
Text intended for grant (clean copy)
Jan 9, 2020
Text intended for grant (version for approval)
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
Annex to the communication
May 28, 2019
Communication from the Examining Division
Feb 20, 2019
(Electronic) Receipt
Feb 20, 2019
Amended claims with annotations
Feb 20, 2019
Claims
Feb 20, 2019
Letter accompanying subsequently filed items
Feb 20, 2019
Non-patent literature cited during the examination procedure
Feb 20, 2019
Reply to communication from the Examining Division
Oct 11, 2018
Annex to the communication
Oct 11, 2018
Communication from the Examining Division
Jun 15, 2018
(Electronic) Receipt
Jun 15, 2018
Amended claims with annotations
Jun 15, 2018
Amended description with annotations
Jun 15, 2018
Claims
Jun 15, 2018
Description
Jun 15, 2018
Letter accompanying subsequently filed items
Jun 15, 2018
Reply to communication from the Examining Division
Feb 7, 2018
Annex to the communication
Feb 7, 2018
Communication from the Examining Division
Jan 30, 2018
Examination started
Nov 13, 2017
(Electronic) Receipt
Nov 13, 2017
Letter accompanying subsequently filed items
Nov 13, 2017
Priority search results
Nov 13, 2017
Reply to invitation to file a copy of priority search results
Nov 9, 2017
Invitation to file a copy of search results(priority)
Mar 31, 2017
Communication to designated inventor
Mar 29, 2017
Notification on forthcoming publication of bibliographic data
Mar 24, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Letter accompanying subsequently filed items
Mar 23, 2017
Letter concerning the inventor
Mar 21, 2017
Invitation to indicate correct address of inventor
Mar 14, 2017
Letter which had not been notified
Feb 13, 2017
Communication to designated inventor
Feb 13, 2017
Communication to designated inventor
Feb 13, 2017
Communication to designated inventor
Jan 6, 2017
(Electronic) Receipt
Jan 6, 2017
Amended claims filed after receipt of (European) search report
Jan 6, 2017
Amended claims with annotations
Jan 6, 2017
Amended description filed after receipt of (European) search report
Jan 6, 2017
Amended description with annotations
Jan 6, 2017
Amendments received before examination
Jan 6, 2017
Request for entry into the European phase
Dec 19, 2016
Copy of the international preliminary report on patentability
Oct 14, 2016
Information on entry into European phase
Jan 4, 2016
Priority document (electronically transmitted)
Dec 10, 2015
Copy of the international search report
Dec 10, 2015
Copy of the international search report
Dec 10, 2015
Published international application - A1
Oct 9, 2015
ISR: cited documents
Oct 9, 2015
International Search Report - copy in English for the IB
Oct 8, 2015
Written opinion of the ISA, boxes No. I to VIII
Oct 8, 2015
Written opinion of the ISA, cover sheet
Oct 8, 2015
Written opinion of the ISA, supplemental box
Aug 13, 2015
Notification of receipt of Search copy
Jul 20, 2015
Abstract
Jul 20, 2015
Claims
Jul 20, 2015
Description
Jul 20, 2015
Drawings

EP3158111

SUNFIRE

Application Number: EP15744473A
Filing Date: Jun 4, 2015
Status: Opposition Rejected; Apr 7, 2023
Publication Date: Jul 29, 2020
External Links: Slate, EP3158111B1, Google Patents

IP Verse

Electrolysis Method And Electrolysis System Comprising Recirculating Flushing Media

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Dossier Documents

EP3158111