Winglet For A Wind Turbine Rotor Blade

Patent No. EP2828521 (titled "Winglet For A Wind Turbine Rotor Blade") was filed by General Electric on Mar 18, 2013. The application was issued on Feb 27, 2019.

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	Nov 26, 2019	BEETZ

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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Nov 13, 2023
Advice of delivery
Nov 9, 2023
Decision of the Board of Appeal
Nov 9, 2023
F3032 Notification(s) of the decision
Nov 9, 2023
F3032 Notification(s) of the decision
Oct 5, 2023
F3013 Oral Proceedings: Forwarding minutes
Oct 5, 2023
F3013 Oral Proceedings: Forwarding minutes
Oct 5, 2023
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Sep 11, 2023
F3345 Forwarding of submissions to parties
Sep 8, 2023
(Electronic) Receipt
Sep 8, 2023
Letter accompanying subsequently filed items
Aug 2, 2023
F3345 Forwarding of submissions to parties
Jul 27, 2023
(Electronic) Receipt
Jul 27, 2023
Letter accompanying subsequently filed items
Jul 27, 2023
Request for interpreters during oral proceedings
Jul 25, 2023
F3345 Forwarding of submissions to parties
Jul 20, 2023
(Electronic) Receipt
Jul 20, 2023
(Electronic) Receipt
Jul 20, 2023
Letter accompanying subsequently filed items
Jul 20, 2023
Letter accompanying subsequently filed items
Jul 20, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 20, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 20, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 17, 2023
F3345 Forwarding of submissions to parties
Apr 11, 2023
(Electronic) Receipt
Apr 11, 2023
Letter accompanying subsequently filed items
Apr 11, 2023
Request for interpreters during oral proceedings
Jan 2, 2023
Advice of delivery
Dec 22, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2022
Oral proceedings: change of venue
Dec 22, 2022
Oral proceedings: change of venue
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 14, 2022
F3345 Forwarding of submissions to parties
Dec 9, 2022
(Electronic) Receipt
Dec 9, 2022
Letter accompanying subsequently filed items
Dec 9, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 2, 2022
F3345 Forwarding of submissions to parties
Oct 27, 2022
(Electronic) Receipt
Oct 27, 2022
Letter accompanying subsequently filed items
Oct 27, 2022
Letter relating to Appeal Procedure
Oct 17, 2022
Advice of delivery
Oct 10, 2022
F3011.1 Oral Proceedings: summons
Oct 10, 2022
F3011.1 Oral Proceedings: summons
Oct 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 5, 2022
F3010 Oral proceedings: order for summons
Sep 22, 2022
Composition of the board (T)
Jun 23, 2022
F3345 Forwarding of submissions to parties
Jun 23, 2022
F3345 Forwarding of submissions to parties
Jun 20, 2022
(Electronic) Receipt
Jun 20, 2022
(Electronic) Receipt
Jun 20, 2022
Letter accompanying subsequently filed items
Jun 20, 2022
Letter accompanying subsequently filed items
Jun 20, 2022
Reply to appeal
Jun 20, 2022
Reply to appeal
Feb 9, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 9, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Statement of grounds of appeal
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended claims with annotations
Feb 3, 2022
Amended description with annotations
Feb 3, 2022
Auxiliary request during appeals procedure - 01
Feb 3, 2022
Auxiliary request during appeals procedure - 02
Feb 3, 2022
Auxiliary request during appeals procedure - 03
Feb 3, 2022
Auxiliary request during appeals procedure - 04
Feb 3, 2022
Auxiliary request during appeals procedure - 05
Feb 3, 2022
Auxiliary request during appeals procedure - 06
Feb 3, 2022
Auxiliary request during appeals procedure - 07
Feb 3, 2022
Auxiliary request during appeals procedure - 08
Feb 3, 2022
Auxiliary request during appeals procedure - 09
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 3, 2022
Statement of grounds of appeal
Dec 17, 2021
F3204 Communication of the file number to the parties
Dec 17, 2021
F3204 Communication of the file number to the parties
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Notice of appeal
Dec 8, 2021
F3204 Communication of the file number to the parties
Dec 8, 2021
F3204 Communication of the file number to the parties
Dec 2, 2021
(Electronic) Receipt
Dec 2, 2021
Letter accompanying subsequently filed items
Dec 2, 2021
Notice of appeal
Oct 7, 2021
Advice of delivery
Oct 6, 2021
Advice of delivery
Oct 4, 2021
Annex to the communication - opposition
Oct 4, 2021
Decision of the Opposition Division and instruction
Oct 4, 2021
Druckexemplar in opposition procedure
Oct 4, 2021
Grounds for the decision (Annex) - opposition
Oct 4, 2021
Interlocutory decision in opposition proceedings
Oct 4, 2021
Interlocutory decision in opposition proceedings
Oct 4, 2021
Means of redress
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Jun 17, 2021
Information about the result of oral proceedings
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Letter accompanying subsequently filed items
Apr 22, 2021
Brief communication - Opposition proceedings
Apr 22, 2021
Brief communication - Opposition proceedings
Apr 22, 2021
Notification concerning the date of oral proceedings
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure
Apr 16, 2021
Auxiliary request during Opposition procedure - 01
Apr 16, 2021
Auxiliary request during Opposition procedure - 02
Apr 16, 2021
Auxiliary request during Opposition procedure - 03
Apr 16, 2021
Auxiliary request during Opposition procedure - 04
Apr 16, 2021
Auxiliary request during Opposition procedure - 05
Apr 16, 2021
Auxiliary request during Opposition procedure - 06
Apr 16, 2021
Auxiliary request during Opposition procedure - 07
Apr 16, 2021
Auxiliary request during Opposition procedure - 08
Apr 16, 2021
Auxiliary request during Opposition procedure - 09
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Main request during Opposition procedure
Apr 16, 2021
Oral proceedings: reply to date proposed
Apr 16, 2021
Written submission in preparation to/during oral proceedings
Dec 18, 2020
Advice of delivery
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Advice of delivery
Dec 15, 2020
Annex
Dec 10, 2020
Annex to the communication - opposition
Dec 10, 2020
Summons to attend oral proceedings
Dec 10, 2020
Summons to attend oral proceedings
Dec 10, 2020
Transmittal of decision / summons - opposition
Dec 10, 2020
Transmittal of decision / summons - opposition
Jun 12, 2020
Brief communication - Opposition proceedings
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Letter accompanying subsequently filed items
Jun 3, 2020
Letter regarding the opposition procedure (no time limit)
May 4, 2020
Brief communication - Opposition proceedings
Apr 22, 2020
(Electronic) Receipt
Apr 22, 2020
Letter accompanying subsequently filed items
Apr 22, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 12, 2019
Communication of a notice of opposition and request to file observations
Dec 12, 2019
Notice of further oppositions to opponent(s)
Dec 2, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 26, 2019
(Electronic) Receipt
Nov 26, 2019
Citation in opposition procedure - 001
Nov 26, 2019
Citation in opposition procedure - 002
Nov 26, 2019
Citation in opposition procedure - 003
Nov 26, 2019
Citation in opposition procedure - 004
Nov 26, 2019
Citation in opposition procedure - 005
Nov 26, 2019
Citation in opposition procedure - 006
Nov 26, 2019
Citation in opposition procedure - 007
Nov 26, 2019
Citation in opposition procedure - 008
Nov 26, 2019
Citation in opposition procedure - 009
Nov 26, 2019
Citation in opposition procedure - 010
Nov 26, 2019
Citation in opposition procedure - 011
Nov 26, 2019
Consolidated list of cited opposition documents
Nov 26, 2019
Notice of opposition
Nov 26, 2019
Notice of opposition
Nov 26, 2019
Submission concerning representation
Jul 4, 2019
Communication of amended entries concerning the representative
Jun 18, 2019
Communication confirming withdrawal from representation
May 16, 2019
Submission concerning change of applicant's representative
Apr 12, 2019
Confirmation of revocation of automatic debit order
Apr 9, 2019
Letter relating to the automatic debiting procedure
Mar 28, 2019
Submission concerning change of applicant's representative
Mar 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 31, 2019
Decision to grant a European patent
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
French translation of claims
Jan 9, 2019
German translation of the claims
Jan 9, 2019
Letter accompanying subsequently filed items
Oct 19, 2018
Bibliographic data of the European patent application
Oct 19, 2018
Communication about intention to grant a European patent
Oct 19, 2018
Intention to grant (signatures)
Oct 19, 2018
Text intended for grant (clean copy)
Oct 19, 2018
Text intended for grant (version for approval)
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Amended claims with annotations
Jun 4, 2018
Claims
Jun 4, 2018
Letter accompanying subsequently filed items
Jun 4, 2018
Reply to communication from the Examining Division
Mar 19, 2018
Grant of extension of time limit (examination procedure)
Mar 13, 2018
(Electronic) Receipt
Mar 13, 2018
Request for extension of time limit to communication from the Examining Division
Nov 29, 2017
Annex to the communication
Nov 29, 2017
Communication from the Examining Division
Jun 15, 2017
(Electronic) Receipt
Jun 15, 2017
Amended claims with annotations
Jun 15, 2017
Amended description with annotations
Jun 15, 2017
Claims
Jun 15, 2017
Description
Jun 15, 2017
Letter accompanying subsequently filed items
Jun 15, 2017
Reply to communication from the Examining Division
May 22, 2017
Grant of extension of time limit (examination procedure)
May 9, 2017
(Electronic) Receipt
May 9, 2017
Request for extension of time limit to communication from the Examining Division
Jan 12, 2017
Annex to the communication
Jan 12, 2017
Communication from the Examining Division
Jan 6, 2017
Examination started
Oct 11, 2016
Notification regarding date of start of examination with possibility to withdraw
Apr 26, 2016
CDS Clean up - amended applicant details
Jan 8, 2015
Notification on forthcoming publication of bibliographic data
Dec 12, 2014
Invitation to indicate correct address of inventor
Nov 20, 2014
Letter which had not been notified
Oct 30, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Oct 28, 2014
Communication to designated inventor
Oct 28, 2014
Communication to designated inventor
Oct 28, 2014
Communication to designated inventor
Oct 7, 2014
Copy of the international preliminary report on patentability
Sep 15, 2014
(Electronic) Receipt
Sep 15, 2014
Amended claims filed after receipt of (European) search report
Sep 15, 2014
Request for entry into the European phase
Jul 30, 2014
Information on entry into European phase
Oct 15, 2013
Priority document (electronically transmitted)
Sep 26, 2013
Copy of the international search report
Sep 26, 2013
Published international application - A1
Jul 24, 2013
Written opinion of the ISA, boxes No. I to VIII
Jul 24, 2013
Written opinion of the ISA, cover sheet
Jul 24, 2013
Written opinion of the ISA, supplemental box
Apr 3, 2013
Abstract
Apr 3, 2013
Claims
Apr 3, 2013
Description
Apr 3, 2013
Drawings
Apr 3, 2013
Submission concerning representation

EP2828521

GENERAL ELECTRIC

Application Number: EP13716530A
Filing Date: Mar 18, 2013
Status: Revoked; Nov 17, 2023
Publication Date: Feb 27, 2019
External Links: Slate, Register , Google Patents

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Winglet For A Wind Turbine Rotor Blade

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Dossier Documents

EP2828521