Wind Turbine Rotor Blade Element

Patent No. EP2479423 (titled "Wind Turbine Rotor Blade Element") was filed by Siemens on Jan 24, 2011. The application was issued on Apr 4, 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
VESTAS WIND SYSTEMS	Jan 3, 2019	PATERSON

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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May 14, 2025
Letter relating to the revocation of the automatic debiting procedure
Feb 18, 2023
Termination of the opposition proceedings with revocation of patent
Aug 4, 2022
F3345 Forwarding of submissions to parties
Aug 3, 2022
Communication of amended entries concerning the representative
Jul 28, 2022
Decision of the Board of Appeal
Jul 28, 2022
F3032 Notification(s) of the decision
Jul 28, 2022
F3032 Notification(s) of the decision
Jul 27, 2022
Letter accompanying subsequently filed items
Jul 27, 2022
Submission concerning change of applicant's representative
Jun 29, 2022
F3013 Oral Proceedings: Forwarding minutes
Jun 29, 2022
F3013 Oral Proceedings: Forwarding minutes
Jun 29, 2022
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 13, 2022
F3345 Forwarding of submissions to parties
Jun 10, 2022
(Electronic) Receipt
Jun 10, 2022
Letter accompanying subsequently filed items
Jun 10, 2022
Letter dealing with oral proceedings during the appeal procedure
May 27, 2022
F3345 Forwarding of submissions to parties
May 27, 2022
F3345 Forwarding of submissions to parties
May 12, 2022
(Electronic) Receipt
May 12, 2022
Authorisation
May 12, 2022
Authorisation
May 12, 2022
Letter accompanying subsequently filed items
May 10, 2022
F3018 Oral proceedings: Confirmation interpreters
May 10, 2022
F3018 Oral proceedings: Confirmation interpreters
Mar 24, 2022
F3345 Forwarding of submissions to parties
Mar 21, 2022
(Electronic) Receipt
Mar 21, 2022
Letter accompanying subsequently filed items
Mar 21, 2022
Request for interpreters during oral proceedings
Mar 17, 2022
F3345 Forwarding of submissions to parties
Mar 14, 2022
(Electronic) Receipt
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 14, 2022
Request for interpreters during oral proceedings
Feb 17, 2022
(Electronic) Receipt
Feb 17, 2022
Advice of delivery
Feb 17, 2022
Letter accompanying subsequently filed items
Feb 2, 2022
Oral proceedings: change of venue
Feb 2, 2022
Oral proceedings: change of venue
Jan 31, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 31, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 27, 2022
(Electronic) Receipt
Jan 27, 2022
Letter accompanying subsequently filed items
Jan 27, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Advice of delivery
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
F3011.1 Oral Proceedings: summons
Dec 9, 2021
F3011.1 Oral Proceedings: summons
Dec 6, 2021
F3010 Oral proceedings: order for summons
Nov 15, 2021
Composition of the board (T)
Sep 21, 2021
Letter relating to the automatic debiting procedure
Aug 4, 2021
F3345 Forwarding of submissions to parties
Jul 30, 2021
(Electronic) Receipt
Jul 30, 2021
Letter accompanying subsequently filed items
Jul 30, 2021
Reply to appeal
Jun 14, 2021
F3345 Forwarding of submissions to parties
Jun 9, 2021
(Electronic) Receipt
Jun 9, 2021
Letter accompanying subsequently filed items
Jun 9, 2021
Reply to appeal
Mar 26, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 26, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 23, 2021
(Electronic) Receipt
Mar 23, 2021
Letter accompanying subsequently filed items
Mar 23, 2021
Statement of grounds of appeal
Mar 11, 2021
(Electronic) Receipt
Mar 11, 2021
Amended claims with annotations
Mar 11, 2021
Amended claims with annotations
Mar 11, 2021
Amended claims with annotations
Mar 11, 2021
Amended claims with annotations
Mar 11, 2021
Amended claims with annotations
Mar 11, 2021
Claims
Mar 11, 2021
Claims
Mar 11, 2021
Claims
Mar 11, 2021
Claims
Mar 11, 2021
Claims
Mar 11, 2021
Letter accompanying subsequently filed items
Mar 11, 2021
Statement of grounds of appeal
Dec 22, 2020
F3204 Communication of the file number to the parties
Dec 22, 2020
F3204 Communication of the file number to the parties
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
Letter accompanying subsequently filed items
Dec 17, 2020
Notice of appeal
Dec 9, 2020
F3204 Communication of the file number to the parties
Dec 9, 2020
F3204 Communication of the file number to the parties
Dec 3, 2020
(Electronic) Receipt
Dec 3, 2020
Letter accompanying subsequently filed items
Dec 3, 2020
Notice of appeal
Nov 25, 2020
(Electronic) Receipt
Nov 25, 2020
Advice of delivery
Nov 25, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Advice of delivery
Nov 18, 2020
Annex to the communication - opposition
Nov 18, 2020
Decision of the Opposition Division and instruction
Nov 18, 2020
Druckexemplar in opposition procedure
Nov 18, 2020
Grounds for the decision (Annex) - opposition
Nov 18, 2020
Interlocutory decision in opposition proceedings
Nov 18, 2020
Internal form - Opposition/addressees
Nov 18, 2020
Internal form - Opposition/addressees
Nov 18, 2020
Means of redress
Nov 18, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 18, 2020
Provision of a copy of the minutes - opposition procedure
Nov 18, 2020
Scanned annex to a communication - opposition procedure
Nov 18, 2020
Scanned annex to a communication - opposition procedure
Sep 29, 2020
Information about the result of oral proceedings
Sep 23, 2020
Brief communication - Opposition proceedings
Sep 17, 2020
(Electronic) Receipt
Sep 17, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Oral proceedings: reply to date proposed
Sep 9, 2020
Brief communication - Opposition proceedings
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Oral proceedings: reply to date proposed
Aug 28, 2020
Brief communication - Opposition proceedings
Aug 28, 2020
Brief communication - Opposition proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 18, 2020
Brief communication - Opposition proceedings
Aug 18, 2020
Brief communication - Opposition proceedings
Aug 17, 2020
(Electronic) Receipt
Aug 17, 2020
Letter accompanying subsequently filed items
Aug 17, 2020
Non-patent literature cited during the opposition procedure
Aug 17, 2020
Written submission in preparation to/during oral proceedings
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Authorisation
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Written submission in preparation to/during oral proceedings
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Advice of delivery
Aug 4, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Advice of delivery
Jul 24, 2020
Communication for party to proceedings/third party
Jul 24, 2020
Communication for party to proceedings/third party
Jul 21, 2020
Brief communication - Opposition proceedings
Jul 20, 2020
Notification concerning the date of oral proceedings
Jul 20, 2020
Notification concerning the date of oral proceedings
Jul 17, 2020
(Electronic) Receipt
Jul 17, 2020
Letter accompanying subsequently filed items
Jul 17, 2020
Oral proceedings: reply to date proposed
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Oral proceedings: reply to date proposed
Jun 25, 2020
Advice of delivery
Jun 17, 2020
Annex to the communication - opposition
Jun 17, 2020
Information concerning oral proceedings
Jun 17, 2020
Summons to attend oral proceedings
Jun 17, 2020
Summons to attend oral proceedings
Apr 24, 2020
Brief communication - Opposition proceedings
Apr 24, 2020
Notification concerning the date of oral proceedings
Apr 24, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
(Electronic) Receipt
Apr 17, 2020
Letter accompanying subsequently filed items
Apr 17, 2020
Oral proceedings: Request for postponement
Mar 12, 2020
Brief communication - Opposition proceedings
Mar 6, 2020
(Electronic) Receipt
Mar 6, 2020
Letter accompanying subsequently filed items
Mar 6, 2020
Non-patent literature cited during the opposition procedure
Mar 6, 2020
Translation of the evidence during Opposition procedure
Mar 6, 2020
Written submission in preparation to/during oral proceedings
Mar 3, 2020
Brief communication - Opposition proceedings
Feb 28, 2020
Brief communication - Opposition proceedings
Feb 26, 2020
(Electronic) Receipt
Feb 26, 2020
Letter accompanying subsequently filed items
Feb 26, 2020
Request for interpreters during oral proceedings
Feb 24, 2020
(Electronic) Receipt
Feb 24, 2020
Authorisation
Feb 24, 2020
Letter accompanying subsequently filed items
Feb 24, 2020
Request for interpreters during oral proceedings
Feb 24, 2020
Written submission in preparation to/during oral proceedings
Oct 3, 2019
Advice of delivery
Oct 2, 2019
Advice of delivery
Oct 2, 2019
Advice of delivery
Sep 26, 2019
Annex to the communication - opposition
Sep 26, 2019
Information concerning oral proceedings
Sep 26, 2019
Summons to attend oral proceedings
Sep 26, 2019
Summons to attend oral proceedings
Sep 12, 2019
Brief communication - Opposition proceedings
Sep 6, 2019
(Electronic) Receipt
Sep 6, 2019
Letter accompanying subsequently filed items
Sep 6, 2019
Letter regarding the opposition procedure (no time limit)
Sep 6, 2019
Non-patent literature cited during the opposition procedure
Sep 6, 2019
Non-patent literature cited during the opposition procedure
Jun 25, 2019
Communication of amended entries concerning the representative
Jun 25, 2019
Communication of the registration of a transfer or change of name and/or address
Jun 13, 2019
Annexes in respect of a client data request
Jun 13, 2019
Submission concerning a transfer of rights (proprietor)
May 15, 2019
Brief communication - Opposition proceedings
May 10, 2019
(Electronic) Receipt
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure - 01
May 10, 2019
Auxiliary request during Opposition procedure - 02
May 10, 2019
Auxiliary request during Opposition procedure - 03
May 10, 2019
Auxiliary request during Opposition procedure - 04
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 18, 2019
Communication of a notice of opposition and request to file observations
Jan 18, 2019
Notice of further oppositions to opponent(s)
Jan 10, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 3, 2019
(Electronic) Receipt
Jan 3, 2019
International publication (Pamphlet)
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Non-patent literature cited during the opposition procedure
Jan 3, 2019
Notice of opposition
Jan 3, 2019
Notice of opposition
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Patent document cited during the opposition procedure
Jan 3, 2019
Translation of the evidence during Opposition procedure
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 8, 2018
Decision to grant a European patent
Feb 20, 2018
(Electronic) Receipt
Feb 20, 2018
Filing of the translations of the claims
Feb 20, 2018
French translation of claims
Feb 20, 2018
German translation of the claims
Dec 1, 2017
Bibliographic data of the European patent application
Dec 1, 2017
Communication about intention to grant a European patent
Dec 1, 2017
Intention to grant (signatures)
Dec 1, 2017
Text intended for grant (clean copy)
Dec 1, 2017
Text intended for grant (version for approval)
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
May 11, 2017
(Electronic) Receipt
May 11, 2017
Amended claims with annotations
May 11, 2017
Amended description with annotations
May 11, 2017
Claims
May 11, 2017
Description
May 11, 2017
Letter accompanying subsequently filed items
May 11, 2017
Reply to communication from the Examining Division
Jan 11, 2017
Annex to the communication
Jan 11, 2017
Communication from the Examining Division
Aug 31, 2016
(Electronic) Receipt
Aug 31, 2016
Amended claims with annotations
Aug 31, 2016
Claims
Aug 31, 2016
Letter accompanying subsequently filed items
Aug 31, 2016
Reply to communication from the Examining Division
Apr 25, 2016
Annex to the communication
Apr 25, 2016
Communication from the Examining Division
Feb 11, 2013
Communication of the registration of a transfer or change of name and/or address
Feb 5, 2013
CDS Clean up - amended data concerning the postal address of the applicant
Feb 5, 2013
CDS Clean up - amended data concerning the postal address of the applicant
Feb 5, 2013
Submission concerning change of applicant's name
Feb 5, 2013
Submission concerning change of applicant's name
Aug 6, 2012
Amended claims filed after receipt of (European) search report
Aug 6, 2012
Amended claims with annotations
Aug 6, 2012
Amended description filed after receipt of (European) search report
Aug 6, 2012
Amended description with annotations
Aug 6, 2012
Amendments received before examination
Jul 30, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 27, 2012
Notification of forthcoming publication
Dec 6, 2011
(Electronic) Receipt
Jun 21, 2011
Communication regarding the transmission of the European search report
Jun 21, 2011
European search opinion
Jun 21, 2011
European search report
Jan 24, 2011
Abstract
Jan 24, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 24, 2011
Claims
Jan 24, 2011
Description
Jan 24, 2011
Designation of inventor
Jan 24, 2011
Designation of inventor
Jan 24, 2011
Designation of inventor
Jan 24, 2011
Designation of inventor
Jan 24, 2011
Drawings
Jan 24, 2011
Request for grant of a European patent

EP2479423

SIEMENS

Application Number: EP11151803A
Filing Date: Jan 24, 2011
Status: Revoked; Feb 20, 2023
Publication Date: Apr 4, 2018
External Links: Slate, Register , Google Patents

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Wind Turbine Rotor Blade Element

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Dossier Documents

EP2479423