Dc-Link Decoupling Circuit For Parallel Inverters

Patent No. EP2631104 (titled "Dc-Link Decoupling Circuit For Parallel Inverters") was filed by Alstom on Feb 21, 2012. The application was issued on Nov 8, 2023.

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	Apr 8, 2016	SIEMENS PATENT ATTORNEYS

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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Oct 12, 2023
Decision to maintain the European patent in amended form
Oct 12, 2023
Decision to maintain the European patent in amended form
Oct 6, 2023
Termination of the opposition proceedings with maintenance of patent
Sep 28, 2023
(Electronic) Receipt
Sep 28, 2023
French translation of claims
Sep 28, 2023
German translation of the claims
Sep 28, 2023
Letter accompanying subsequently filed items
Sep 8, 2023
Brief communication - Opposition proceedings
Sep 8, 2023
Communication of the registration of a transfer or change of name and/or address
Aug 25, 2023
Annexes in respect of a client data request
Aug 25, 2023
Annexes in respect of a client data request
Aug 25, 2023
Authorisation
Aug 25, 2023
Authorisation
Aug 25, 2023
Letter accompanying subsequently filed items
Aug 25, 2023
Letter concerning fees and payments
Aug 25, 2023
Submission concerning a transfer of rights (applicant)
Jun 30, 2023
Communication of bibliographic data
Jun 30, 2023
Communication to opponent concerning maintenance
Jun 30, 2023
Communication with request to file translations
Jun 14, 2023
Maintenance of the patent with the documents specified in the final decision
May 31, 2023
(Electronic) Receipt
May 31, 2023
Advice of delivery
May 31, 2023
Letter accompanying subsequently filed items
May 12, 2023
Communication about missing proof of delivery
Apr 28, 2023
Communication about missing proof of delivery
Apr 17, 2023
Advice of delivery
Apr 6, 2023
Decision of the Board of Appeal
Apr 6, 2023
F3032 Notification(s) of the decision
Apr 6, 2023
F3032 Notification(s) of the decision
Mar 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 24, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 27, 2023
(Electronic) Receipt
Feb 27, 2023
Acknowledgement of a document
Feb 27, 2023
Letter accompanying subsequently filed items
Feb 3, 2023
F3018 Oral proceedings: Confirmation interpreters
Feb 3, 2023
F3018 Oral proceedings: Confirmation interpreters
Jan 27, 2023
Communication about missing proof of delivery
Jan 26, 2023
Letter accompanying subsequently filed items
Jan 26, 2023
Request for change of opponent's representative
Dec 20, 2022
F3345 Forwarding of submissions to parties
Dec 16, 2022
Advice of delivery
Dec 15, 2022
(Electronic) Receipt
Dec 15, 2022
Letter accompanying subsequently filed items
Dec 15, 2022
Request for interpreters during oral proceedings
Dec 6, 2022
F3011.1 Oral Proceedings: summons
Dec 6, 2022
F3011.1 Oral Proceedings: summons
Dec 6, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Sep 22, 2022
F3042 Dispatch of attendance note about a phone conversation
Sep 22, 2022
F3042 Dispatch of attendance note about a phone conversation
Sep 12, 2019
F3345 Forwarding of submissions to parties
Sep 5, 2019
(Electronic) Receipt
Sep 5, 2019
Letter accompanying subsequently filed items
Sep 5, 2019
Reply to appeal
May 31, 2019
Composition of the board (T)
May 10, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 6, 2019
(Electronic) Receipt
May 6, 2019
Letter accompanying subsequently filed items
May 6, 2019
Statement of grounds of appeal
Mar 8, 2019
F3204 Communication of the file number to the parties
Mar 8, 2019
F3204 Communication of the file number to the parties
Mar 5, 2019
Processing of an appeal
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Notice of appeal
Feb 18, 2019
Advice of delivery
Feb 11, 2019
Advice of delivery
Jan 9, 2019
Advice of delivery
Jan 4, 2019
Acknowledgement of a document
Jan 4, 2019
Acknowledgement of a document
Jan 4, 2019
Annex to the communication - opposition
Jan 4, 2019
Decision of the Opposition Division and instruction
Jan 4, 2019
Druckexemplar in opposition procedure
Jan 4, 2019
Grounds for the decision (Annex) - opposition
Jan 4, 2019
Interlocutory decision in opposition proceedings
Jan 4, 2019
Internal form - Opposition/addressees
Jan 4, 2019
Internal form - Opposition/addressees
Jan 4, 2019
Means of redress
Jan 4, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 4, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 4, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 4, 2019
Provision of a copy of the minutes - opposition procedure
Jan 4, 2019
Scanned annex to a communication - opposition procedure
Jan 4, 2019
Scanned annex to a communication - opposition procedure
Nov 6, 2018
Information about the result of oral proceedings
Nov 6, 2018
Submission concerning representation
Sep 10, 2018
Brief communication - Opposition proceedings
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Brief communication - Opposition proceedings
Sep 5, 2018
Claims
Sep 5, 2018
Claims
Sep 5, 2018
Claims
Sep 5, 2018
Claims
Sep 5, 2018
Claims
Sep 5, 2018
Letter accompanying subsequently filed items
Sep 5, 2018
Written submission in preparation to/during oral proceedings
Aug 31, 2018
(Electronic) Receipt
Aug 31, 2018
Letter accompanying subsequently filed items
Aug 31, 2018
Request for interpreters during oral proceedings
Mar 22, 2018
Advice of delivery
Mar 13, 2018
Advice of delivery
Mar 7, 2018
Communication about missing advice of delivery
Feb 28, 2018
Advice of delivery
Feb 7, 2018
Advice of delivery
Jan 31, 2018
Acknowledgement of a document
Jan 31, 2018
Acknowledgement of a document
Jan 31, 2018
Annex to the communication - opposition
Jan 31, 2018
Information concerning oral proceedings
Jan 31, 2018
Preparation for oral proceedings
Jan 31, 2018
Summons to attend oral proceedings
Jan 31, 2018
Summons to attend oral proceedings
Nov 8, 2017
Communication of amended entries
Oct 19, 2017
Submission concerning representation
Jul 24, 2017
Request for a change of address - opponent
Apr 13, 2017
Confirmation of revocation of automatic debit order
Apr 10, 2017
Letter relating to the automatic debiting procedure
Dec 5, 2016
Brief communication - Opposition proceedings
Nov 28, 2016
(Electronic) Receipt
Nov 28, 2016
Amended claims with annotations
Nov 28, 2016
Amended claims with annotations
Nov 28, 2016
Auxiliary request during Opposition procedure
Nov 28, 2016
Auxiliary request during Opposition procedure
Nov 28, 2016
Letter accompanying subsequently filed items
Nov 28, 2016
Non-patent literature cited during the opposition procedure
Nov 28, 2016
Reply of the patent proprietor to the notice(s) of opposition
Sep 30, 2016
Brief communication - Opposition proceedings
Sep 30, 2016
Grant of extension of time limit (opposition procedure)
Sep 22, 2016
(Electronic) Receipt
Sep 22, 2016
Annex
Sep 22, 2016
Letter accompanying subsequently filed items
Sep 22, 2016
Request for extension of time limit
Sep 8, 2016
Communication of the registration of a transfer or change of name and/or address
Sep 2, 2016
Submission concerning change of applicant's address
May 20, 2016
Communication of a notice of opposition and request to file observations
May 20, 2016
Notice of further oppositions to opponent(s)
Apr 15, 2016
Communication of a notice of opposition - first information to patent proprietor
Apr 8, 2016
(Electronic) Receipt
Apr 8, 2016
Non-patent literature cited during the opposition procedure
Apr 8, 2016
Notice of opposition
Apr 8, 2016
Notice of opposition
Apr 8, 2016
Patent document cited during the opposition procedure
Apr 8, 2016
Patent document cited during the opposition procedure
Apr 8, 2016
Patent document cited during the opposition procedure
Apr 8, 2016
Patent document cited during the opposition procedure
Apr 8, 2016
Patent document cited during the opposition procedure
Apr 8, 2016
Patent document cited during the opposition procedure
Jul 8, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 11, 2015
Decision to grant a European patent
May 28, 2015
(Electronic) Receipt
May 28, 2015
French translation of claims
May 28, 2015
German translation of the claims
May 28, 2015
Letter accompanying subsequently filed items
Jan 30, 2015
Bibliographic data of the European patent application
Jan 30, 2015
Communication about intention to grant a European patent
Jan 30, 2015
Intention to grant (signatures)
Jan 30, 2015
Text intended for grant
Jan 12, 2015
Examination started
Oct 30, 2014
Communication of the registration of a transfer or change of name and/or address
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Annexes in respect of a client data request
Oct 13, 2014
Payment of fees and costs
Oct 13, 2014
Payment of fees and costs
Oct 13, 2014
Payment of fees and costs
Oct 13, 2014
Payment of fees and costs
Oct 13, 2014
Submission concerning a transfer of rights (applicant)
Oct 13, 2014
Submission concerning a transfer of rights (applicant)
Apr 9, 2014
Confirmation of revocation of automatic debit order
Apr 4, 2014
Letter relating to the automatic debiting procedure
Apr 4, 2014
Letter relating to the automatic debiting procedure
Jan 24, 2014
(Electronic) Receipt
Jan 24, 2014
Letter accompanying subsequently filed items
Jan 24, 2014
Matter concerning the application
Sep 2, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 31, 2013
Notification of forthcoming publication
Nov 2, 2012
Communication regarding the transmission of the European search report
Nov 2, 2012
European search opinion
Nov 2, 2012
European search report
Feb 21, 2012
Abstract
Feb 21, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 21, 2012
Claims
Feb 21, 2012
Description
Feb 21, 2012
Designation of inventor
Feb 21, 2012
Drawings
Feb 21, 2012
Request for grant of a European patent

EP2631104

ALSTOM

Application Number: EP12156390A
Filing Date: Feb 21, 2012
Status: Patent Maintained As Amended; Oct 6, 2023
Publication Date: Nov 8, 2023
External Links: Slate, Register , Google Patents

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Dc-Link Decoupling Circuit For Parallel Inverters

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Dossier Documents

EP2631104