Dc-Dc Converter And Fuel Cell System Of A Submarine

Patent No. EP2987394 (titled "Dc-Dc Converter And Fuel Cell System Of A Submarine") was filed by Siemens on Mar 4, 2014. The application was issued on Feb 7, 2018.

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
THYSSENKRUPP MARINE SYSTEMS	Oct 12, 2018	THYSSENKRUPP

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 14, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 14, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jan 11, 2021
Termination of the opposition proceedings with revocation of patent
Oct 2, 2020
Advice of delivery
Sep 30, 2020
Advice of delivery
Sep 25, 2020
Acknowledgement of a document
Sep 25, 2020
Acknowledgement of a document
Sep 25, 2020
Annex to the communication - opposition
Sep 25, 2020
Decision of the Opposition Division and instruction
Sep 25, 2020
Decision revoking the European patent
Sep 25, 2020
Grounds for the decision (Annex) - opposition
Sep 25, 2020
Internal form - Opposition/addressees
Sep 25, 2020
Internal form - Opposition/addressees
Sep 25, 2020
Means of redress
Sep 25, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 25, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 25, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 25, 2020
Provision of a copy of the minutes - opposition procedure
Sep 25, 2020
Scanned annex to a communication - opposition procedure
Sep 11, 2020
Information about the result of oral proceedings
Jul 30, 2020
Notification concerning the date of oral proceedings
Jul 30, 2020
Notification concerning the date of oral proceedings
Jul 17, 2020
Oral proceedings: reply to date proposed
Jul 13, 2020
Brief communication - Opposition proceedings
Jul 8, 2020
(Electronic) Receipt
Jul 8, 2020
Letter accompanying subsequently filed items
Jul 8, 2020
Written submission in preparation to/during oral proceedings
Jun 25, 2020
Brief communication - Opposition proceedings
Jun 22, 2020
(Electronic) Receipt
Jun 22, 2020
Written submission in preparation to/during oral proceedings
Jun 22, 2020
Written submission in preparation to/during oral proceedings
Jun 5, 2020
Oral proceedings: reply to date proposed
Jun 2, 2020
Oral proceedings: reply to date proposed
Dec 23, 2019
Advice of delivery
Dec 20, 2019
Advice of delivery
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Annex to the communication - opposition
Dec 17, 2019
Information concerning oral proceedings
Dec 17, 2019
Summons to attend oral proceedings
Dec 17, 2019
Summons to attend oral proceedings
Jul 18, 2019
Brief communication - Opposition proceedings
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Written submission in preparation to/during oral proceedings
Mar 26, 2019
Brief communication - Opposition proceedings
Mar 26, 2019
Brief communication - Opposition proceedings
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Amended claims with annotations
Mar 20, 2019
Amended claims with annotations
Mar 20, 2019
Amended claims with annotations
Mar 20, 2019
Auxiliary request during Opposition procedure
Mar 20, 2019
Auxiliary request during Opposition procedure
Mar 20, 2019
Auxiliary request during Opposition procedure
Mar 20, 2019
Letter accompanying subsequently filed items
Mar 20, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 12, 2019
Brief communication - Opposition proceedings
Mar 12, 2019
Rejection of request for extension of time limit
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Request for extension of time limit
Nov 20, 2018
Communication of a notice of opposition and request to file observations
Nov 20, 2018
Notice of further oppositions to opponent(s)
Oct 18, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 12, 2018
(Electronic) Receipt
Oct 12, 2018
Non-patent literature cited during the opposition procedure
Oct 12, 2018
Non-patent literature cited during the opposition procedure
Oct 12, 2018
Notice of opposition
Oct 12, 2018
Notice of opposition
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Oct 12, 2018
Patent document cited during the opposition procedure
Feb 23, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 11, 2018
Decision to grant a European patent
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
English translation of the claims
Dec 20, 2017
French translation of claims
Dec 20, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Bibliographic data of the European patent application
Sep 29, 2017
Communication about intention to grant a European patent
Sep 29, 2017
Intention to grant (signatures)
Sep 29, 2017
Text intended for grant (clean copy)
Sep 29, 2017
Text intended for grant (version for approval)
Aug 25, 2017
Examination started
Jul 31, 2017
Communication of the registration of a transfer or change of name and/or address
Jul 24, 2017
Submission concerning change of applicant's address
Feb 17, 2016
(Electronic) Receipt
Feb 17, 2016
Letter accompanying subsequently filed items
Feb 17, 2016
Letter concerning the inventor
Feb 15, 2016
Invitation to indicate correct address of inventor
Feb 8, 2016
Letter which had not been notified
Jan 27, 2016
Notification on forthcoming publication of bibliographic data
Jan 19, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Jan 5, 2016
Communication to designated inventor
Dec 1, 2015
Annexes to the international preliminary examination report
Dec 1, 2015
Copy of the international preliminary examination report
Nov 17, 2015
(Electronic) Receipt
Nov 17, 2015
Priority search results
Nov 17, 2015
Request for entry into the European phase
Oct 13, 2015
Notification of the recording of a change
Oct 13, 2015
Notification of the recording of a change
Oct 2, 2015
Information on entry into European phase
May 15, 2015
Annex to International preliminary examination report
May 15, 2015
International preliminary examination report
May 15, 2015
International preliminary examination report - free text sheet
May 15, 2015
International preliminary examination report - points I-VIII
May 15, 2015
Transmittal of International Preliminary Examination Report
Feb 10, 2015
Notification of election of EPO
Jan 20, 2015
Notification of receipt of demand
Jan 14, 2015
(Electronic) Receipt
Jan 14, 2015
PCT demand form
Jan 14, 2015
PCT(IPEA): Amended sheet - claims
Jan 14, 2015
PCT(IPEA): Amended sheet - claims
Jan 14, 2015
PCT(IPEA): Amended sheet - description
Jan 14, 2015
PCT(IPEA): Amended sheet - description
Jan 14, 2015
Payment of fees and costs
Jan 14, 2015
Reply to International Search Opinion
Dec 16, 2014
Priority document (electronically transmitted)
Nov 27, 2014
Copy of the international search report
Nov 27, 2014
Copy of the international search report
Nov 27, 2014
Published international application - A1
Jun 24, 2014
Written opinion of the ISA, boxes No. I to VIII
Jun 24, 2014
Written opinion of the ISA, cover sheet
Jun 24, 2014
Written opinion of the ISA, supplemental box
Mar 4, 2014
(Electronic) Receipt
Mar 4, 2014
Abstract
Mar 4, 2014
Claims
Mar 4, 2014
Description
Mar 4, 2014
Drawings

EP2987394

SIEMENS

Application Number: EP14708006A
Filing Date: Mar 4, 2014
Status: Revoked; Jan 15, 2021
Publication Date: Feb 7, 2018
External Links: Slate, Register , Google Patents

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Dc-Dc Converter And Fuel Cell System Of A Submarine

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Dossier Documents

EP2987394