Recirculation Fuel Cell

Patent No. EP3304628 (titled "Recirculation Fuel Cell") was filed by Thyssenkrupp on May 18, 2016. 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
SIEMENS ENERGY	Apr 27, 2021	-

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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Nov 6, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Nov 6, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 1, 2023
Advice of delivery
Jul 21, 2023
Advice of delivery
Jul 21, 2023
Decision of the Opposition Division and instruction
Jul 21, 2023
Decision rejecting the opposition
Jul 21, 2023
Decision rejecting the opposition
Jul 21, 2023
Grounds for the decision (Annex) - opposition
Jul 21, 2023
Means of redress
Jul 21, 2023
Scanned annex to a communication - opposition procedure
Jul 21, 2023
Transmittal of decision / summons - opposition
Jul 21, 2023
Transmittal of decision / summons - opposition
Jun 22, 2023
Notification concerning the date of oral proceedings
Jun 22, 2023
Notification concerning the date of oral proceedings
Jun 16, 2023
Brief communication - Opposition proceedings
Jun 12, 2023
(Electronic) Receipt
Jun 12, 2023
Letter accompanying subsequently filed items
Jun 12, 2023
Written submission in preparation to/during oral proceedings
May 4, 2023
Brief communication - Opposition proceedings
Apr 28, 2023
(Electronic) Receipt
Apr 28, 2023
Letter accompanying subsequently filed items
Apr 28, 2023
Written submission in preparation to/during oral proceedings
Apr 26, 2023
Notification concerning the date of oral proceedings
Apr 26, 2023
Notification concerning the date of oral proceedings
Apr 21, 2023
Annex to the communication - opposition
Mar 23, 2023
Brief communication - Opposition proceedings
Mar 17, 2023
(Electronic) Receipt
Mar 17, 2023
Brief communication - Opposition proceedings
Mar 17, 2023
Letter accompanying subsequently filed items
Mar 17, 2023
Written submission in preparation to/during oral proceedings
Mar 13, 2023
(Electronic) Receipt
Mar 13, 2023
Letter accompanying subsequently filed items
Mar 13, 2023
Written submission in preparation to/during oral proceedings
Feb 9, 2023
Advice of delivery
Feb 8, 2023
(Electronic) Receipt
Feb 3, 2023
Advice of delivery
Feb 2, 2023
Annex to the communication - opposition
Feb 2, 2023
Scanned annex to a communication - opposition procedure
Feb 2, 2023
Summons to attend oral proceedings
Feb 2, 2023
Summons to attend oral proceedings
Feb 2, 2023
Transmittal of decision / summons - opposition
Feb 2, 2023
Transmittal of decision / summons - opposition
Dec 22, 2022
Brief communication - Opposition proceedings
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Letter regarding the opposition procedure (no time limit)
Nov 30, 2022
Brief communication - Opposition proceedings
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Letter regarding the opposition procedure (no time limit)
Jul 6, 2021
Brief communication - Opposition proceedings
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Auxiliary request during Opposition procedure
Jun 30, 2021
Auxiliary request during Opposition procedure
Jun 30, 2021
Auxiliary request during Opposition procedure
Jun 30, 2021
Auxiliary request during Opposition procedure
Jun 30, 2021
Auxiliary request during Opposition procedure
Jun 30, 2021
Auxiliary request during Opposition procedure - 01
Jun 30, 2021
Auxiliary request during Opposition procedure - 02
Jun 30, 2021
Auxiliary request during Opposition procedure - 02
Jun 30, 2021
Auxiliary request during Opposition procedure - 03
Jun 30, 2021
Auxiliary request during Opposition procedure - 03
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 30, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 18, 2021
Communication of a notice of opposition and request to file observations
May 18, 2021
Notice of further oppositions to opponent(s)
May 3, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 27, 2021
(Electronic) Receipt
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 - 004
Apr 27, 2021
Citation in opposition procedure - 005
Apr 27, 2021
Consolidated list of cited opposition documents
Apr 27, 2021
Notice of opposition
Apr 27, 2021
Notice of opposition
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 10, 2020
(Electronic) Receipt
Jun 10, 2020
English translation of the claims
Jun 10, 2020
French translation of claims
Jun 10, 2020
Letter accompanying subsequently filed items
Apr 29, 2020
Annex to the communication about intention to grant a European patent
Apr 29, 2020
Bibliographic data of the European patent application
Apr 29, 2020
Communication about intention to grant a European patent
Apr 29, 2020
Intention to grant (signatures)
Apr 29, 2020
Text intended for grant (clean copy)
Apr 29, 2020
Text intended for grant (version for approval)
Apr 20, 2020
Bibliographic data of the European patent application
Mar 10, 2020
Examination started
Aug 23, 2019
Communication of the registration of a transfer or change of name and/or address
Aug 15, 2019
Annexes in respect of a client data request
Aug 15, 2019
Annexes in respect of a client data request
Aug 15, 2019
Submission concerning change of applicant's name
Mar 14, 2018
Notification on forthcoming publication of bibliographic data
Jan 5, 2018
Communication to designated inventor
Jan 5, 2018
Communication to designated inventor
Dec 12, 2017
Copy of the international preliminary report on patentability
Nov 3, 2017
(Electronic) Receipt
Nov 3, 2017
Amended claims filed after receipt of (European) search report
Nov 3, 2017
Amended claims with annotations
Nov 3, 2017
Amended description filed after receipt of (European) search report
Nov 3, 2017
Amended description with annotations
Nov 3, 2017
Amendments received before examination
Nov 3, 2017
Priority search results
Nov 3, 2017
Request for entry into the European phase
Oct 6, 2017
Information on entry into European phase
Jun 13, 2017
Notification of the recording of a change
Jun 13, 2017
Notification of the recording of a change
Dec 19, 2016
Priority document (electronically transmitted)
Dec 1, 2016
Copy of the international search report
Dec 1, 2016
Published international application - A1
Jul 14, 2016
Written opinion of the ISA, boxes No. I to VIII
Jul 14, 2016
Written opinion of the ISA, cover sheet
Jul 14, 2016
Written opinion of the ISA, supplemental box
Jun 2, 2016
Notification of the international application number and of the international filing date
May 18, 2016
(Electronic) Receipt
May 18, 2016
Abstract
May 18, 2016
Claims
May 18, 2016
Description
May 18, 2016
Document concerning fees and payments
May 18, 2016
Drawings
May 18, 2016
Electronic request for grant of an International application

EP3304628

THYSSENKRUPP

Application Number: EP16724023A
Filing Date: May 18, 2016
Status: Opposition Rejected; Nov 3, 2023
Publication Date: Jul 29, 2020
External Links: Slate, Register , Google Patents

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Recirculation Fuel Cell

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Dossier Documents

EP3304628