Wind Turbine Rotor Blade Assembly With Surface Features

Patent No. EP2826708 (titled "Wind Turbine Rotor Blade Assembly With Surface Features") was filed by General Electric on May 1, 2014. The application was issued on Dec 4, 2024.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
3M INNOVATIVE PROPERTIES COMPANY	Apr 13, 2017	MULLER
NORDEX ENERGY	Apr 13, 2017	HAUCK

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

Nov 7, 2024
Decision to maintain the European patent in amended form
Nov 7, 2024
Decision to maintain the European patent in amended form
Nov 7, 2024
Decision to maintain the European patent in amended form
Oct 23, 2024
(Electronic) Receipt
Oct 23, 2024
French translation of claims
Oct 23, 2024
German translation of the claims
Oct 23, 2024
Letter accompanying subsequently filed items
Jul 24, 2024
Communication of bibliographic data
Jul 24, 2024
Communication to opponent concerning maintenance
Jul 24, 2024
Communication to opponent concerning maintenance
Jul 24, 2024
Communication with request to file translations
Jul 2, 2024
Maintenance of the patent with the documents specified in the final decision
Apr 2, 2024
Brief communication - Opposition proceedings
Apr 2, 2024
Brief communication - Opposition proceedings
Apr 2, 2024
Brief communication - Opposition proceedings
Apr 2, 2024
Decision of the Opposition Division and instruction
Apr 2, 2024
Druckexemplar in opposition procedure
Apr 2, 2024
Grounds for the decision (Annex) - opposition
Apr 2, 2024
Interlocutory decision in opposition proceedings
Apr 2, 2024
Interlocutory decision in opposition proceedings
Apr 2, 2024
Interlocutory decision in opposition proceedings
Apr 2, 2024
Means of redress
Apr 2, 2024
Scanned annex to a communication - opposition procedure
Jan 5, 2024
Brief communication - Opposition proceedings
Jan 5, 2024
Brief communication - Opposition proceedings
Dec 20, 2023
(Electronic) Receipt
Dec 20, 2023
Auxiliary request during Opposition procedure
Dec 20, 2023
Auxiliary request during Opposition procedure
Dec 20, 2023
Auxiliary request during Opposition procedure - 01
Dec 20, 2023
Auxiliary request during Opposition procedure - 02
Dec 20, 2023
Letter accompanying subsequently filed items
Dec 20, 2023
Main request during Opposition procedure
Dec 20, 2023
Main request during Opposition procedure
Dec 20, 2023
Reply to an examination report in opposition proceedings
Aug 21, 2023
Annex to the communication - opposition
Aug 21, 2023
Brief communication - Opposition proceedings
Aug 21, 2023
Brief communication - Opposition proceedings
Aug 21, 2023
Brief communication - Opposition proceedings
Aug 21, 2023
Communication inviting the parties to file observations
Aug 21, 2023
Communication inviting the parties to file observations
Aug 21, 2023
Communication inviting the parties to file observations
Apr 12, 2023
(Electronic) Receipt
Apr 12, 2023
Letter accompanying subsequently filed items
Apr 12, 2023
Reply to an examination report in opposition proceedings
Feb 13, 2023
Annex to the communication - opposition
Feb 13, 2023
Brief communication - Opposition proceedings
Feb 13, 2023
Brief communication - Opposition proceedings
Feb 13, 2023
Brief communication - Opposition proceedings
Feb 13, 2023
Communication inviting the parties to file observations
Feb 13, 2023
Communication inviting the parties to file observations
Feb 13, 2023
Communication inviting the parties to file observations
Dec 6, 2022
Brief communication - Opposition proceedings
Dec 6, 2022
Brief communication - Opposition proceedings
Nov 29, 2022
(Electronic) Receipt
Nov 29, 2022
Amended description with annotations
Nov 29, 2022
Description
Nov 29, 2022
Letter accompanying subsequently filed items
Nov 29, 2022
Reply to an examination report in opposition proceedings
Jul 25, 2022
Annex to the communication - opposition
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Communication inviting the parties to file observations
Jul 25, 2022
Communication inviting the parties to file observations
Jul 25, 2022
Communication inviting the parties to file observations
May 11, 2022
Decision of the Board of Appeal
May 11, 2022
F3032 Notification(s) of the decision
May 11, 2022
F3032 Notification(s) of the decision
May 11, 2022
F3032 Notification(s) of the decision
Mar 23, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 23, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 23, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 23, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Feb 14, 2022
Oral proceedings: change of venue
Feb 14, 2022
Oral proceedings: change of venue
Feb 14, 2022
Oral proceedings: change of venue
Feb 10, 2022
(Electronic) Receipt
Feb 10, 2022
F3345 Forwarding of submissions to parties
Feb 10, 2022
F3345 Forwarding of submissions to parties
Feb 10, 2022
Letter accompanying subsequently filed items
Feb 10, 2022
Letter dealing with oral proceedings during the appeal procedure
Feb 7, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 7, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 7, 2022
F3018 Oral proceedings: Confirmation interpreters
Feb 4, 2022
Communication of amended entries in the Register of European Patents
Feb 4, 2022
F3345 Forwarding of submissions to parties
Feb 4, 2022
F3345 Forwarding of submissions to parties
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
Annexes in respect of a client data request
Jan 31, 2022
Letter accompanying subsequently filed items
Jan 31, 2022
Request for change of name -opponent
Jan 28, 2022
F3345 Forwarding of submissions to parties
Jan 28, 2022
F3345 Forwarding of submissions to parties
Jan 25, 2022
(Electronic) Receipt
Jan 25, 2022
F3345 Forwarding of submissions to parties
Jan 25, 2022
F3345 Forwarding of submissions to parties
Jan 25, 2022
Letter accompanying subsequently filed items
Jan 25, 2022
Request for interpreters during oral proceedings
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Request for interpreters during oral proceedings
Oct 18, 2021
F3345 Forwarding of submissions to parties
Oct 18, 2021
F3345 Forwarding of submissions to parties
Oct 13, 2021
(Electronic) Receipt
Oct 13, 2021
Amended claims with annotations
Oct 13, 2021
Amended claims with annotations
Oct 13, 2021
Claims
Oct 13, 2021
Claims
Oct 13, 2021
Letter accompanying subsequently filed items
Oct 13, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 13, 2021
(Electronic) Receipt
Apr 13, 2021
Advice of delivery
Apr 13, 2021
Letter accompanying subsequently filed items
Apr 9, 2021
(Electronic) Receipt
Apr 9, 2021
Advice of delivery
Apr 9, 2021
Letter accompanying subsequently filed items
Apr 8, 2021
Advice of delivery
Mar 29, 2021
F3011.1 Oral Proceedings: summons
Mar 29, 2021
F3011.1 Oral Proceedings: summons
Mar 29, 2021
F3011.1 Oral Proceedings: summons
Mar 24, 2021
F3010 Oral proceedings: order for summons
May 18, 2020
Composition of the board (T)
Oct 15, 2019
F3345 Forwarding of submissions to parties
Oct 15, 2019
F3345 Forwarding of submissions to parties
Oct 7, 2019
Communication of amended entries concerning the representative
Sep 30, 2019
Submission concerning change of applicant's representative
Sep 27, 2019
Submission concerning change of applicant's representative
Sep 20, 2019
F3345 Forwarding of submissions to parties
Sep 20, 2019
F3345 Forwarding of submissions to parties
Sep 17, 2019
F3345 Forwarding of submissions to parties
Sep 17, 2019
F3345 Forwarding of submissions to parties
Sep 13, 2019
(Electronic) Receipt
Sep 13, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Reply to appeal
Sep 11, 2019
(Electronic) Receipt
Sep 11, 2019
Letter accompanying subsequently filed items
Sep 11, 2019
Reply to appeal
May 6, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 6, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 29, 2019
(Electronic) Receipt
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Amended claims with annotations
Apr 29, 2019
Claims
Apr 29, 2019
Claims
Apr 29, 2019
Claims
Apr 29, 2019
Claims
Apr 29, 2019
Claims
Apr 29, 2019
Claims
Apr 29, 2019
Letter accompanying subsequently filed items
Apr 29, 2019
Statement of grounds of appeal
Mar 29, 2019
F3345 Forwarding of submissions to parties
Mar 29, 2019
F3345 Forwarding of submissions to parties
Mar 27, 2019
Communication confirming withdrawal from representation
Mar 27, 2019
Communication of amended entries concerning the representative
Mar 27, 2019
F3345 Forwarding of submissions to parties
Mar 27, 2019
F3345 Forwarding of submissions to parties
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Letter accompanying subsequently filed items
Mar 25, 2019
Submission concerning change of applicant's representative
Mar 12, 2019
Submission concerning change of applicant's representative
Mar 11, 2019
Letter relating to the automatic debiting procedure
Mar 6, 2019
Communication of amended entries in the Register of European Patents
Mar 6, 2019
F3345 Forwarding of submissions to parties
Feb 28, 2019
(Electronic) Receipt
Feb 28, 2019
Letter accompanying subsequently filed items
Feb 28, 2019
Request for change of opponent's representative
Feb 27, 2019
Refund of fees
Feb 20, 2019
F3204 Communication of the file number to the parties
Feb 20, 2019
F3204 Communication of the file number to the parties
Feb 20, 2019
F3204 Communication of the file number to the parties
Feb 14, 2019
Processing of an appeal
Feb 13, 2019
(Electronic) Receipt
Feb 13, 2019
Letter accompanying subsequently filed items
Feb 13, 2019
Notice of appeal
Jan 29, 2019
Advice of delivery
Jan 15, 2019
Advice of delivery
Jan 15, 2019
Advice of delivery
Jan 11, 2019
Advice of delivery
Jan 8, 2019
Advice of delivery
Dec 28, 2018
Advice of delivery
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Acknowledgement of a document
Dec 21, 2018
Annex to the communication - opposition
Dec 21, 2018
Decision of the Opposition Division and instruction
Dec 21, 2018
Decision revoking the European patent
Dec 21, 2018
Decision revoking the European patent
Dec 21, 2018
Grounds for the decision (Annex) - opposition
Dec 21, 2018
Internal form - Opposition/addressees
Dec 21, 2018
Internal form - Opposition/addressees
Dec 21, 2018
Means of redress
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 21, 2018
Provision of a copy of the minutes - opposition procedure
Nov 7, 2018
Brief communication - Opposition proceedings
Nov 7, 2018
Brief communication - Opposition proceedings
Oct 30, 2018
Information about the result of oral proceedings
Oct 29, 2018
(Electronic) Receipt
Oct 29, 2018
Amended claims with annotations
Oct 29, 2018
Amended claims with annotations
Oct 29, 2018
Claims
Oct 29, 2018
Claims
Oct 29, 2018
Letter accompanying subsequently filed items
Oct 29, 2018
Written submission in preparation to/during oral proceedings
Sep 4, 2018
Brief communication - Opposition proceedings
Sep 4, 2018
Brief communication - Opposition proceedings
Aug 30, 2018
Brief communication - Opposition proceedings
Aug 30, 2018
Brief communication - Opposition proceedings
Aug 30, 2018
Brief communication - Opposition proceedings
Aug 27, 2018
(Electronic) Receipt
Aug 27, 2018
Letter accompanying subsequently filed items
Aug 27, 2018
Patent document cited during the opposition procedure
Aug 27, 2018
Written submission in preparation to/during oral proceedings
Aug 22, 2018
(Electronic) Receipt
Aug 22, 2018
Request for interpreters during oral proceedings
Jul 25, 2018
Request for interpreters during oral proceedings
Jul 23, 2018
Request for interpreters during oral proceedings
Jul 17, 2018
Brief communication - Opposition proceedings
Jul 17, 2018
Brief communication - Opposition proceedings
Jul 17, 2018
Brief communication - Opposition proceedings
Apr 23, 2018
Advice of delivery
Apr 19, 2018
Advice of delivery
Apr 16, 2018
Advice of delivery
Apr 11, 2018
Advice of delivery
Apr 10, 2018
Advice of delivery
Apr 6, 2018
Advice of delivery
Apr 3, 2018
Acknowledgement of a document
Apr 3, 2018
Acknowledgement of a document
Apr 3, 2018
Acknowledgement of a document
Apr 3, 2018
Information concerning oral proceedings
Apr 3, 2018
Notification concerning the date of oral proceedings
Apr 3, 2018
Notification concerning the date of oral proceedings
Apr 3, 2018
Notification concerning the date of oral proceedings
Apr 3, 2018
Summons to attend oral proceedings
Apr 3, 2018
Summons to attend oral proceedings
Apr 3, 2018
Summons to attend oral proceedings
Mar 21, 2018
Advice of delivery
Mar 5, 2018
Advice of delivery
Feb 27, 2018
Advice of delivery
Feb 22, 2018
Advice of delivery
Feb 20, 2018
Advice of delivery
Feb 19, 2018
(Electronic) Receipt
Feb 19, 2018
Advice of delivery
Feb 19, 2018
Letter accompanying subsequently filed items
Feb 19, 2018
Written submission in preparation to/during oral proceedings
Feb 12, 2018
Acknowledgement of a document
Feb 12, 2018
Acknowledgement of a document
Feb 12, 2018
Acknowledgement of a document
Feb 12, 2018
Annex to the communication - opposition
Feb 12, 2018
Information concerning oral proceedings
Feb 12, 2018
Preparation for oral proceedings
Feb 12, 2018
Summons to attend oral proceedings
Feb 12, 2018
Summons to attend oral proceedings
Feb 12, 2018
Summons to attend oral proceedings
Feb 5, 2018
Information about the result of oral proceedings
Oct 30, 2017
Communication of amended entries
Oct 11, 2017
Request for change of opponent's representative
Oct 6, 2017
Brief communication - Opposition proceedings
Oct 6, 2017
Brief communication - Opposition proceedings
Sep 29, 2017
(Electronic) Receipt
Sep 29, 2017
Amended claims with annotations
Sep 29, 2017
Amended claims with annotations
Sep 29, 2017
Amended claims with annotations
Sep 29, 2017
Amended claims with annotations
Sep 29, 2017
Claims
Sep 29, 2017
Claims
Sep 29, 2017
Claims
Sep 29, 2017
Claims
Sep 29, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Reply of the patent proprietor to the notice(s) of opposition
Sep 15, 2017
(Electronic) Receipt
Sep 15, 2017
Letter accompanying subsequently filed items
Sep 15, 2017
Submission concerning change of applicant's representative
Jun 26, 2017
Communication of amended entries
Jun 26, 2017
Communication of amended entries
May 29, 2017
(Electronic) Receipt
May 29, 2017
Letter accompanying subsequently filed items
May 29, 2017
Request for change of opponent's representative
May 19, 2017
Communication of a notice of opposition and request to file observations
May 19, 2017
Notice of further oppositions to opponent(s)
May 19, 2017
Notice of further oppositions to opponent(s)
Apr 26, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 13, 2017
(Electronic) Receipt
Apr 13, 2017
(Electronic) Receipt
Apr 13, 2017
Any annexes (other than citation) to an opposition letter
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Non-patent literature cited during the opposition procedure
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Notice of opposition
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Apr 13, 2017
Patent document cited during the opposition procedure
Jul 14, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 16, 2016
Decision to grant a European patent
May 27, 2016
Communication regarding the forthcoming grant
Apr 26, 2016
CDS Clean up - amended applicant details
Apr 19, 2016
(Electronic) Receipt
Apr 19, 2016
French translation of claims
Apr 19, 2016
German translation of the claims
Apr 19, 2016
Letter accompanying subsequently filed items
Feb 15, 2016
Bibliographic data of the European patent application
Feb 15, 2016
Communication about intention to grant a European patent
Feb 15, 2016
Intention to grant (signatures)
Feb 15, 2016
Text intended for grant
Nov 20, 2015
Examination started
Nov 2, 2015
(Electronic) Receipt
Nov 2, 2015
Amended claims filed after receipt of (European) search report
Nov 2, 2015
Amended claims with annotations
Nov 2, 2015
Amended description filed after receipt of (European) search report
Nov 2, 2015
Amended description with annotations
Nov 2, 2015
Amendments received before examination
Nov 2, 2015
Letter accompanying subsequently filed items
May 11, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 8, 2015
Communication regarding the transmission of the European search report
Apr 8, 2015
European search opinion
Apr 8, 2015
European search report
Jan 5, 2015
Notification of forthcoming publication
Dec 18, 2014
Communication regarding the transmission of the European search report
Dec 18, 2014
Partial European search report
Dec 8, 2014
Search started
Dec 3, 2014
Communication for party to proceedings/third party
Nov 27, 2014
Request for further processing allowed
Nov 26, 2014
Communication to designated inventor
Nov 26, 2014
Communication to designated inventor
Nov 26, 2014
Communication to designated inventor
Nov 26, 2014
Communication to designated inventor
Nov 26, 2014
Confirmation of receipt of (electronically) transmitted priority document
Nov 21, 2014
Priority document (electronically transmitted)
Jun 25, 2014
Application deemed to be withdrawn (non-payment of filing/search fee)
May 1, 2014
Abstract
May 1, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
May 1, 2014
Claims
May 1, 2014
Description
May 1, 2014
Designation of inventor
May 1, 2014
Designation of inventor
May 1, 2014
Designation of inventor
May 1, 2014
Designation of inventor
May 1, 2014
Drawings
May 1, 2014
Request for grant of a European patent

EP2826708

GENERAL ELECTRIC

Application Number: EP14166768A
Filing Date: May 1, 2014
Status: Patent Maintained As Amended; Nov 1, 2024
Publication Date: Dec 4, 2024
External Links: Slate, Register , Google Patents

IP Verse

Wind Turbine Rotor Blade Assembly With Surface Features

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2826708