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Method For Reducing Vibrations In Rotor Blades Of A Wind Turbine

Patent No. EP3663573 (titled "Method For Reducing Vibrations In Rotor Blades Of A Wind Turbine") was filed by General Electric Renovables Espaa SL on Dec 4, 2018. The application was issued on Aug 24, 2022.

Patent Summary

Patent Family

Patent Oppositions

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
WOBBEN PROPERTIES	May 24, 2023	EISENFUHR SPEISER

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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Feb 6, 2026
Annexes in respect of a client data request
Feb 6, 2026
Annexes in respect of a client data request
Feb 6, 2026
Letter accompanying subsequently filed items
Feb 6, 2026
Submission concerning change of applicant's name
Dec 18, 2025
F3345 Forwarding of submissions to parties
Dec 14, 2025
(Electronic) Receipt
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Amended claims with annotations
Dec 14, 2025
Auxiliary request during appeals procedure - 01
Dec 14, 2025
Auxiliary request during appeals procedure - 02
Dec 14, 2025
Auxiliary request during appeals procedure - 03
Dec 14, 2025
Auxiliary request during appeals procedure - 04
Dec 14, 2025
Auxiliary request during appeals procedure - 05
Dec 14, 2025
Auxiliary request during appeals procedure - 06
Dec 14, 2025
Auxiliary request during appeals procedure - 07
Dec 14, 2025
Auxiliary request during appeals procedure - 08
Dec 14, 2025
Auxiliary request during appeals procedure - 09
Dec 14, 2025
Letter accompanying subsequently filed items
Dec 14, 2025
Reply to appeal
Aug 13, 2025
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 8, 2025
(Electronic) Receipt
Aug 8, 2025
Letter accompanying subsequently filed items
Aug 8, 2025
Statement of grounds of appeal
Jun 13, 2025
F3204 Communication of the file number to the parties
Jun 13, 2025
F3204 Communication of the file number to the parties
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
Letter accompanying subsequently filed items
Jun 6, 2025
Notice of appeal
Apr 8, 2025
Annex to the communication - opposition
Apr 8, 2025
Brief communication - Opposition proceedings
Apr 8, 2025
Brief communication - Opposition proceedings
Apr 8, 2025
Decision of the Opposition Division and instruction
Apr 8, 2025
Decision rejecting the opposition
Apr 8, 2025
Decision rejecting the opposition
Apr 8, 2025
Grounds for the decision (Annex) - opposition
Apr 8, 2025
Means of redress
Apr 8, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 8, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 8, 2025
Provision of a copy of the minutes - opposition procedure
Apr 8, 2025
Provision of a copy of the minutes - opposition procedure
Apr 8, 2025
Scanned annex to a communication - opposition procedure
Mar 25, 2025
Information about the result of oral proceedings
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 24, 2025
(Electronic) Receipt
Jan 24, 2025
(Electronic) Receipt
Jan 24, 2025
Letter accompanying subsequently filed items
Jan 24, 2025
Letter accompanying subsequently filed items
Jan 24, 2025
Written submission in preparation to/during oral proceedings
Jan 24, 2025
Written submission in preparation to/during oral proceedings
Jan 21, 2025
Brief communication - Opposition proceedings
Jan 20, 2025
(Electronic) Receipt
Jan 20, 2025
Auxiliary request during Opposition procedure
Jan 20, 2025
Auxiliary request during Opposition procedure
Jan 20, 2025
Auxiliary request during Opposition procedure - 03
Jan 20, 2025
Auxiliary request during Opposition procedure - 04
Jan 20, 2025
Letter accompanying subsequently filed items
Jan 20, 2025
Written submission in preparation to/during oral proceedings
Jun 4, 2024
Annex to the communication - opposition
Jun 4, 2024
Brief communication - Opposition proceedings
Jun 4, 2024
Brief communication - Opposition proceedings
Jun 4, 2024
Information concerning oral proceedings
Jun 4, 2024
Scanned annex to a communication - opposition procedure
Jun 4, 2024
Summons to attend oral proceedings
Jun 4, 2024
Summons to attend oral proceedings
Oct 24, 2023
Brief communication - Opposition proceedings
Oct 19, 2023
(Electronic) Receipt
Oct 19, 2023
Auxiliary request during Opposition procedure
Oct 19, 2023
Auxiliary request during Opposition procedure
Oct 19, 2023
Auxiliary request during Opposition procedure - 01
Oct 19, 2023
Auxiliary request during Opposition procedure - 02
Oct 19, 2023
Letter accompanying subsequently filed items
Oct 19, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jun 9, 2023
Communication of a notice of opposition and request to file observations
Jun 9, 2023
Notice of further oppositions to opponent(s)
Jun 1, 2023
Communication of a notice of opposition - first information to patent proprietor
May 24, 2023
(Electronic) Receipt
May 24, 2023
Any annexes (other than citation) to an opposition letter
May 24, 2023
Any annexes (other than citation) to an opposition letter
May 24, 2023
Any annexes (other than citation) to an opposition letter
May 24, 2023
Citation in opposition procedure - 001
May 24, 2023
Citation in opposition procedure - 002
May 24, 2023
Citation in opposition procedure - 003
May 24, 2023
Citation in opposition procedure - 004
May 24, 2023
Citation in opposition procedure - 005
May 24, 2023
Citation in opposition procedure - 006
May 24, 2023
Citation in opposition procedure - 007
May 24, 2023
Citation in opposition procedure - 008
May 24, 2023
Citation in opposition procedure - 009
May 24, 2023
Citation in opposition procedure - 010
May 24, 2023
Citation in opposition procedure - 011
May 24, 2023
Citation in opposition procedure - 012
May 24, 2023
Citation in opposition procedure - 013
May 24, 2023
Citation in opposition procedure - 014
May 24, 2023
Citation in opposition procedure - 015
May 24, 2023
Citation in opposition procedure - 016
May 24, 2023
Citation in opposition procedure - 016
May 24, 2023
Citation in opposition procedure - 017
May 24, 2023
Consolidated list of cited opposition documents
May 24, 2023
Notice of opposition
May 24, 2023
Notice of opposition
Sep 6, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 28, 2022
Decision to grant a European patent
Jul 14, 2022
(Electronic) Receipt
Jul 14, 2022
Filing of the translations of the claims
Jul 14, 2022
French translation of claims
Jul 14, 2022
German translation of the claims
Jun 27, 2022
Bibliographic data of the European patent application
Jun 27, 2022
Communication about intention to grant a European patent
Jun 27, 2022
Intention to grant (signatures)
Jun 27, 2022
Text intended for grant (clean copy)
Jun 27, 2022
Text intended for grant (version for approval)
May 18, 2022
Examination started
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Amended claims filed after receipt of (European) search report
Dec 9, 2020
Amended claims with annotations
Dec 9, 2020
Amendments received before examination
Dec 9, 2020
Letter accompanying subsequently filed items
Jun 16, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 13, 2020
Notification of forthcoming publication
Jan 21, 2020
Communication of amended entries concerning the representative
Nov 26, 2019
Letter accompanying subsequently filed items
Nov 26, 2019
Letter accompanying subsequently filed items
Nov 26, 2019
Submission concerning change of applicant's representative
Nov 26, 2019
Submission concerning change of applicant's representative
Nov 26, 2019
Submission concerning representation
Nov 22, 2019
Confirmation of revocation of automatic debit order
Nov 19, 2019
Letter relating to the automatic debiting procedure
May 31, 2019
Communication regarding the transmission of the European search report
May 31, 2019
European search opinion
May 31, 2019
European search report
May 31, 2019
Information on Search Strategy
May 23, 2019
Search started
Feb 27, 2019
Communication to designated inventor
Feb 27, 2019
Communication to designated inventor
Feb 27, 2019
Communication to designated inventor
Feb 27, 2019
Communication to designated inventor
Feb 27, 2019
Communication to designated inventor
Dec 14, 2018
Acknowledgement of receipt from National Office - R35(4)
Dec 4, 2018
Abstract
Dec 4, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 4, 2018
Claims
Dec 4, 2018
Description
Dec 4, 2018
Designation of inventor
Dec 4, 2018
Drawings
Dec 4, 2018
Request for grant of a European patent

EP3663573

GENERAL ELECTRIC RENOVABLES ESPAA SL

Application Number: EP18382891A
Filing Date: Dec 4, 2018
Status: Granted And Under Opposition; Jul 22, 2022
Publication Date: Aug 24, 2022
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