Wind Turbine Control Method

Patent No. EP2947313 (titled "Wind Turbine Control Method") was filed by Acciona Windpower on May 19, 2015. The application was issued on Jul 2, 2025.

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
SUZLON ENERGY	Aug 13, 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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Jun 5, 2025
Decision to maintain the European patent in amended form
Jun 5, 2025
Decision to maintain the European patent in amended form
May 23, 2025
(Electronic) Receipt
May 23, 2025
French translation of claims
May 23, 2025
German translation of the claims
May 23, 2025
Letter accompanying subsequently filed items
May 14, 2025
Communication of bibliographic data
May 14, 2025
Communication to opponent concerning maintenance
May 14, 2025
Communication with request to file translations
May 6, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 23, 2025
Refund of fees
Apr 16, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 16, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 16, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 16, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 11, 2025
(Electronic) Receipt
Apr 11, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Apr 11, 2025
Letter accompanying subsequently filed items
Apr 11, 2025
Withdrawal of an appeal
Mar 19, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 19, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 11, 2025
F3345 Forwarding of submissions to parties
Feb 6, 2025
(Electronic) Receipt
Feb 6, 2025
Letter accompanying subsequently filed items
Feb 6, 2025
Request for interpreters during oral proceedings
Dec 23, 2024
F3345 Forwarding of submissions to parties
Dec 18, 2024
(Electronic) Receipt
Dec 18, 2024
Letter accompanying subsequently filed items
Dec 12, 2024
F3011.2 Oral Proceedings: Summons VICO
Dec 12, 2024
F3011.2 Oral Proceedings: Summons VICO
Dec 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2024
F3010 Oral proceedings: order for summons
Nov 7, 2024
Composition of the board (T)
May 23, 2024
F3345 Forwarding of submissions to parties
May 17, 2024
(Electronic) Receipt
May 17, 2024
Letter accompanying subsequently filed items
May 17, 2024
Letter relating to Appeal Procedure
Jan 29, 2024
F3345 Forwarding of submissions to parties
Jan 24, 2024
(Electronic) Receipt
Jan 24, 2024
Letter accompanying subsequently filed items
Jan 24, 2024
Reply to appeal
Sep 28, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 21, 2023
(Electronic) Receipt
Sep 21, 2023
Amended claims with annotations
Sep 21, 2023
Amended claims with annotations
Sep 21, 2023
Auxiliary request during appeals procedure - 01
Sep 21, 2023
Auxiliary request during appeals procedure - 02
Sep 21, 2023
Letter accompanying subsequently filed items
Sep 21, 2023
Statement of grounds of appeal
Aug 3, 2023
F3204 Communication of the file number to the parties
Aug 3, 2023
F3204 Communication of the file number to the parties
Jul 31, 2023
(Electronic) Receipt
Jul 31, 2023
Letter accompanying subsequently filed items
Jul 31, 2023
Notice of appeal
May 25, 2023
Advice of delivery
May 22, 2023
Annex to the communication - opposition
May 22, 2023
Decision of the Opposition Division and instruction
May 22, 2023
Druckexemplar in opposition procedure
May 22, 2023
Grounds for the decision (Annex) - opposition
May 22, 2023
Interlocutory decision in opposition proceedings
May 22, 2023
Interlocutory decision in opposition proceedings
May 22, 2023
Means of redress
May 22, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 22, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 22, 2023
Provision of a copy of the minutes - opposition procedure
May 22, 2023
Provision of a copy of the minutes - opposition procedure
May 22, 2023
Scanned annex to a communication - opposition procedure
May 22, 2023
Transmittal of decision / summons - opposition
May 22, 2023
Transmittal of decision / summons - opposition
Dec 15, 2022
Information about the result of oral proceedings
Dec 14, 2022
(Electronic) Receipt
Oct 21, 2022
Brief communication - Opposition proceedings
Oct 20, 2022
(Electronic) Receipt
Oct 20, 2022
Letter accompanying subsequently filed items
Oct 18, 2022
Brief communication - Opposition proceedings
Oct 14, 2022
(Electronic) Receipt
Oct 14, 2022
(Electronic) Receipt
Oct 14, 2022
Letter accompanying subsequently filed items
Oct 14, 2022
Letter accompanying subsequently filed items
Oct 14, 2022
Request for interpreters during oral proceedings
Oct 14, 2022
Written submission in preparation to/during oral proceedings
Oct 14, 2022
Written submission in preparation to/during oral proceedings
Jun 2, 2022
Advice of delivery
May 27, 2022
Annex to the communication - opposition
May 27, 2022
Information concerning oral proceedings
May 27, 2022
Summons to attend oral proceedings
May 27, 2022
Summons to attend oral proceedings
May 27, 2022
Transmittal of decision / summons - opposition
May 27, 2022
Transmittal of decision / summons - opposition
Mar 22, 2022
Brief communication - Opposition proceedings
Mar 10, 2022
(Electronic) Receipt
Mar 10, 2022
Letter accompanying subsequently filed items
Mar 10, 2022
Letter regarding the opposition procedure (no time limit)
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure - 01
Jan 13, 2022
Auxiliary request during Opposition procedure - 02
Jan 13, 2022
Auxiliary request during Opposition procedure - 03
Jan 13, 2022
Auxiliary request during Opposition procedure - 04
Jan 13, 2022
Auxiliary request during Opposition procedure - 05
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Reply of the patent proprietor to the notice(s) of opposition
Oct 18, 2021
Brief communication - Opposition proceedings
Oct 14, 2021
Communication concerning the filing of a power of attorney
Oct 14, 2021
Communication of amended entries concerning the representative
Oct 7, 2021
(Electronic) Receipt
Oct 7, 2021
Letter accompanying subsequently filed items
Oct 7, 2021
Submission concerning change of proprietor's representative
Sep 8, 2021
Communication of a notice of opposition and request to file observations
Sep 8, 2021
Notice of further oppositions to opponent(s)
Aug 24, 2021
Brief communication - Opposition proceedings
Aug 24, 2021
Communication of a notice of opposition - first information to patent proprietor
Aug 19, 2021
Result of consultation by telephone/in person
Aug 16, 2021
(Electronic) Receipt
Aug 16, 2021
Letter accompanying subsequently filed items
Aug 16, 2021
Letter regarding the opposition procedure (no time limit)
Aug 13, 2021
(Electronic) Receipt
Aug 13, 2021
Any annexes (other than citation) to an opposition letter
Aug 13, 2021
Citation in opposition procedure - 001
Aug 13, 2021
Citation in opposition procedure - 002
Aug 13, 2021
Citation in opposition procedure - 003
Aug 13, 2021
Citation in opposition procedure - 004
Aug 13, 2021
Citation in opposition procedure - 005
Aug 13, 2021
Consolidated list of cited opposition documents
Aug 13, 2021
Notice of opposition
Aug 13, 2021
Notice of opposition
Dec 7, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 29, 2020
Decision to grant a European patent
Oct 27, 2020
Intention to grant (signatures)
Oct 19, 2020
Bibliographic data of the European patent application
Oct 19, 2020
Information about intention to grant a patent
Oct 19, 2020
Text intended for grant (clean copy)
Oct 19, 2020
Text intended for grant (version for approval)
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
Amended claims with annotations
Sep 30, 2020
Claims
Sep 30, 2020
French translation of claims
Sep 30, 2020
German translation of the claims
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 14, 2020
Communication of the registration of a transfer or change of name and/or address
Sep 8, 2020
Submission concerning change of applicant's name
May 20, 2020
Bibliographic data of the European patent application
May 20, 2020
Communication about intention to grant a European patent
May 20, 2020
Intention to grant (signatures)
May 20, 2020
Text intended for grant (clean copy)
May 20, 2020
Text intended for grant (version for approval)
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended claims with annotations
Sep 5, 2018
Amended description with annotations
Sep 5, 2018
Amended description with annotations
Sep 5, 2018
Claims
Sep 5, 2018
Claims
Sep 5, 2018
Description
Sep 5, 2018
Description
Sep 5, 2018
Letter accompanying subsequently filed items
Sep 5, 2018
Reply to communication from the Examining Division
May 2, 2018
Annex to the communication
May 2, 2018
Communication from the Examining Division
Apr 18, 2018
Examination started
Jan 25, 2018
Notification regarding date of start of examination with possibility to withdraw
Jun 7, 2016
Communication of amended entries concerning the representative
Jun 1, 2016
Submission concerning change of applicant's representative
May 17, 2016
(Electronic) Receipt
May 17, 2016
Amended description filed after receipt of (European) search report
May 17, 2016
Amended description with annotations
May 17, 2016
Amendments received before examination
May 17, 2016
Letter accompanying subsequently filed items
Nov 30, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Oct 28, 2015
Notification of forthcoming publication
Sep 28, 2015
Communication regarding the transmission of the European search report
Sep 28, 2015
European search opinion
Sep 28, 2015
European search report
Jul 15, 2015
(Electronic) Receipt
Jul 15, 2015
Abstract
Jul 15, 2015
Claims
Jul 15, 2015
Description
Jul 15, 2015
Drawings
Jul 15, 2015
Letter accompanying subsequently filed items
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
Jul 10, 2015
Communication to designated inventor
May 28, 2015
Letter concerning the priority
May 28, 2015
Priority document
May 19, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
May 19, 2015
Designation of inventor
May 19, 2015
Drawings
May 19, 2015
Request for grant of a European patent
May 19, 2015
Specification filed by fax and/or in non-official language

EP2947313

ACCIONA WINDPOWER

Application Number: EP15168268A
Filing Date: May 19, 2015
Status: Patent Maintained As Amended; May 29, 2025
Publication Date: Jul 2, 2025
External Links: Slate, Register , Google Patents

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Wind Turbine Control Method

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Dossier Documents

EP2947313