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IP Verse

Wind Turbine Blade Including Protective Cover - EP3513060

The patent EP3513060 was granted to Polytech on Aug 13, 2025. The application was originally filed on Sep 13, 2016 under application number EP16778106A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3513060

POLYTECH

Application Number: EP16778106A
Filing Date: Sep 13, 2016
Status: Patent Maintained As Amended; Jun 30, 2023
Publication Date: Aug 13, 2025
External Links: Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Oppositions (2)

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	Opposition Status
Get instant alerts for new oppositions and patent status changes
SIEMENS GAMESA RENEWABLE ENERGY	Dec 11, 2020	SGRE ASSOCIATION	WITHDRAWN
BTB BUNGARTZ BALTZER PARTNERSCHAFT MBB	Dec 8, 2020	-	ADMISSIBLE

Patent Citations (31) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	EP2927482
DESCRIPTION	US2011243751
DESCRIPTION	WO2016075619
INTERNATIONAL-SEARCH-REPORT	CN201786551U
INTERNATIONAL-SEARCH-REPORT	EP2559891
INTERNATIONAL-SEARCH-REPORT	US2010028160
INTERNATIONAL-SEARCH-REPORT	WO2004076852
INTERNATIONAL-SEARCH-REPORT	WO2016075619
OPPOSITION	CN201786551U
OPPOSITION	CN204532706U
OPPOSITION	DE102012100667
OPPOSITION	DE102013210405
OPPOSITION	EP2161457
OPPOSITION	EP2416950
OPPOSITION	EP2559891
OPPOSITION	EP2927482
OPPOSITION	EP3144525
OPPOSITION	US2007036659
OPPOSITION	US2009087314
OPPOSITION	US2010028160
OPPOSITION	US2011243751
OPPOSITION	US2012100005
OPPOSITION	US2013108457
OPPOSITION	US2013129520
OPPOSITION	US2013239586
OPPOSITION	US2013294923
OPPOSITION	US2014328687
OPPOSITION	US4895491
OPPOSITION	US5908522
OPPOSITION	WO2004076852
OPPOSITION	WO2016075619

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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Sep 19, 2025
Communication concerning correction of publication errors in European patent specification
Search/Exam
Jun 26, 2025
(Electronic) Receipt
OPPO
Jun 26, 2025
Letter accompanying subsequently filed items
OPPO
Jun 26, 2025
Request for correction of the publication
OPPO
Jul 6, 2023
Decision to maintain the European patent in amended form
OPPO
Jul 6, 2023
Decision to maintain the European patent in amended form
OPPO
Jun 30, 2023
Termination of the opposition proceedings with maintenance of patent
OPPO
Jun 23, 2023
(Electronic) Receipt
OPPO
Jun 23, 2023
Clean copy of description pages in the opposition procedure
OPPO
Jun 23, 2023
Druckexemplar in opposition procedure
OPPO
Jun 23, 2023
Filing of the translation of the amended claims
OPPO
Jun 23, 2023
French translation of claims
OPPO
Jun 23, 2023
German translation of the claims
OPPO
Jun 23, 2023
Letter accompanying subsequently filed items
OPPO
Apr 4, 2023
Communication to opponent concerning maintenance
OPPO
Apr 4, 2023
Communication with request to file translations
OPPO
Mar 29, 2023
Maintenance of the patent with the documents specified in the final decision
OPPO
Dec 19, 2022
Advice of delivery
OPPO
Dec 16, 2022
Annex to the communication - opposition
OPPO
Dec 16, 2022
Decision of the Opposition Division and instruction
OPPO
Dec 16, 2022
Grounds for the decision (Annex) - opposition
OPPO
Dec 16, 2022
Interlocutory decision in opposition proceedings
OPPO
Dec 16, 2022
Interlocutory decision in opposition proceedings
OPPO
Dec 16, 2022
Means of redress
OPPO
Dec 16, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Dec 16, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Dec 16, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Dec 16, 2022
OPPODREX with handwritten amendments
OPPO
Dec 16, 2022
Provision of a copy of the minutes - opposition procedure
OPPO
Dec 16, 2022
Provision of a copy of the minutes - opposition procedure
OPPO
Dec 16, 2022
Scanned annex to a communication - opposition procedure
OPPO
Dec 16, 2022
Transmittal of decision / summons - opposition
OPPO
Dec 16, 2022
Transmittal of decision / summons - opposition
OPPO
Sep 22, 2022
Information about the result of oral proceedings
OPPO
Aug 29, 2022
Brief communication - Opposition proceedings
OPPO
Aug 24, 2022
(Electronic) Receipt
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure - 01
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure - 02
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure - 03
OPPO
Aug 24, 2022
Auxiliary request during Opposition procedure - 04
OPPO
Aug 24, 2022
Letter accompanying subsequently filed items
OPPO
Aug 24, 2022
Written submission in preparation to/during oral proceedings
OPPO
Aug 12, 2022
Brief communication - Opposition proceedings
OPPO
Aug 9, 2022
(Electronic) Receipt
OPPO
Aug 9, 2022
Letter accompanying subsequently filed items
OPPO
Aug 9, 2022
Request for interpreters during oral proceedings
OPPO
Aug 8, 2022
Brief communication - Opposition proceedings
OPPO
Aug 8, 2022
Brief communication - Opposition proceedings
OPPO
Aug 5, 2022
Communication of amended entries
OPPO
Jul 29, 2022
Brief communication - Opposition proceedings
OPPO
Jul 27, 2022
Brief communication - Opposition proceedings
OPPO
Jul 27, 2022
Letter accompanying subsequently filed items
OPPO
Jul 27, 2022
Request for change of opponent's representative
OPPO
Jul 22, 2022
(Electronic) Receipt
OPPO
Jul 22, 2022
(Electronic) Receipt
OPPO
Jul 22, 2022
Letter accompanying subsequently filed items
OPPO
Jul 22, 2022
Letter accompanying subsequently filed items
OPPO
Jul 22, 2022
Request for interpreters during oral proceedings
OPPO
Jul 22, 2022
Written submission in preparation to/during oral proceedings
OPPO
Jul 13, 2022
Brief communication - Opposition proceedings
OPPO
Jul 5, 2022
(Electronic) Receipt
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure - 01
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure - 02
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure - 03
OPPO
Jul 5, 2022
Auxiliary request during Opposition procedure - 04
OPPO
Jul 5, 2022
Letter accompanying subsequently filed items
OPPO
Jul 5, 2022
Written submission in preparation to/during oral proceedings
OPPO
May 10, 2022
Brief communication - Opposition proceedings
OPPO
May 10, 2022
Communication confirming withdrawal from representation
OPPO
May 10, 2022
Communication of amended entries concerning the representative
OPPO
May 10, 2022
Notification concerning the date of oral proceedings
OPPO
May 3, 2022
Notification concerning the date of oral proceedings
OPPO
May 3, 2022
Notification concerning the date of oral proceedings
OPPO
Apr 29, 2022
(Electronic) Receipt
OPPO
Apr 29, 2022
Letter accompanying subsequently filed items
OPPO
Apr 29, 2022
Request for change of opponent's representative
OPPO
Oct 18, 2021
Advice of delivery
OPPO
Oct 14, 2021
(Electronic) Receipt
OPPO
Oct 14, 2021
Advice of delivery
OPPO
Oct 14, 2021
Letter accompanying subsequently filed items
OPPO
Oct 14, 2021
Summons to attend oral proceedings
OPPO
Oct 14, 2021
Summons to attend oral proceedings
OPPO
Oct 14, 2021
Transmittal of decision / summons - opposition
OPPO
Oct 14, 2021
Transmittal of decision / summons - opposition
OPPO
Oct 13, 2021
Notification concerning the date of oral proceedings
OPPO
Oct 12, 2021
Notification concerning the date of oral proceedings
OPPO
Sep 27, 2021
Brief communication - Opposition proceedings
OPPO
Sep 22, 2021
(Electronic) Receipt
OPPO
Sep 22, 2021
Letter accompanying subsequently filed items
OPPO
Sep 22, 2021
Oral proceedings: Request for postponement
OPPO
Sep 14, 2021
(Electronic) Receipt
OPPO
Sep 14, 2021
Advice of delivery
OPPO
Sep 14, 2021
Advice of delivery
OPPO
Sep 14, 2021
Letter accompanying subsequently filed items
OPPO
Sep 8, 2021
Annex to the communication - opposition
OPPO
Sep 8, 2021
Information concerning oral proceedings
OPPO
Sep 8, 2021
Summons to attend oral proceedings
OPPO
Sep 8, 2021
Summons to attend oral proceedings
OPPO
Sep 8, 2021
Transmittal of decision / summons - opposition
OPPO
Sep 8, 2021
Transmittal of decision / summons - opposition
OPPO
Aug 26, 2021
Brief communication - Opposition proceedings
OPPO
Aug 12, 2021
(Electronic) Receipt
OPPO
Aug 12, 2021
Letter accompanying subsequently filed items
OPPO
Aug 12, 2021
Reply from the opponent to submission of proprietor
OPPO
May 19, 2021
Brief communication - Opposition proceedings
OPPO
May 12, 2021
(Electronic) Receipt
OPPO
May 12, 2021
Letter accompanying subsequently filed items
OPPO
May 12, 2021
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Feb 1, 2021
Brief communication - Opposition proceedings
OPPO
Feb 1, 2021
Brief communication - Opposition proceedings
OPPO
Feb 1, 2021
Brief communication - Opposition proceedings
OPPO
Jan 15, 2021
(Electronic) Receipt
OPPO
Jan 15, 2021
Letter accompanying subsequently filed items
OPPO
Jan 15, 2021
Withdrawal of an opposition
OPPO
Jan 12, 2021
Communication of a notice of opposition and request to file observations
OPPO
Jan 12, 2021
Notice of further oppositions to opponent(s)
OPPO
Jan 12, 2021
Notice of further oppositions to opponent(s)
OPPO
Dec 18, 2020
Communication of a notice of opposition - first information to patent proprietor
OPPO
Dec 14, 2020
Communication of a notice of opposition - first information to patent proprietor
OPPO
Dec 11, 2020
(Electronic) Receipt
OPPO
Dec 11, 2020
Citation in opposition procedure
OPPO
Dec 11, 2020
Citation in opposition procedure - 014
OPPO
Dec 11, 2020
Citation in opposition procedure - 015
OPPO
Dec 11, 2020
Citation in opposition procedure - 016
OPPO
Dec 11, 2020
Citation in opposition procedure - 017
OPPO
Dec 11, 2020
Citation in opposition procedure - 017
OPPO
Dec 11, 2020
Citation in opposition procedure - 018
OPPO
Dec 11, 2020
Citation in opposition procedure - 019
OPPO
Dec 11, 2020
Citation in opposition procedure - 020
OPPO
Dec 11, 2020
Citation in opposition procedure - 021
OPPO
Dec 11, 2020
Citation in opposition procedure - 022
OPPO
Dec 11, 2020
Citation in opposition procedure - 023
OPPO
Dec 11, 2020
Citation in opposition procedure - 024
OPPO
Dec 11, 2020
Citation in opposition procedure - 025
OPPO
Dec 11, 2020
Citation in opposition procedure - 026
OPPO
Dec 11, 2020
Citation in opposition procedure - 027
OPPO
Dec 11, 2020
Citation in opposition procedure - 028
OPPO
Dec 11, 2020
Citation in opposition procedure - 029
OPPO
Dec 11, 2020
Consolidated list of cited opposition documents
OPPO
Dec 11, 2020
Notice of opposition
OPPO
Dec 11, 2020
Notice of opposition
OPPO
Dec 8, 2020
(Electronic) Receipt
OPPO
Dec 8, 2020
Citation in opposition procedure - 001
OPPO
Dec 8, 2020
Citation in opposition procedure - 002
OPPO
Dec 8, 2020
Citation in opposition procedure - 003
OPPO
Dec 8, 2020
Citation in opposition procedure - 004
OPPO
Dec 8, 2020
Citation in opposition procedure - 005
OPPO
Dec 8, 2020
Citation in opposition procedure - 006
OPPO
Dec 8, 2020
Citation in opposition procedure - 007
OPPO
Dec 8, 2020
Citation in opposition procedure - 008
OPPO
Dec 8, 2020
Citation in opposition procedure - 009
OPPO
Dec 8, 2020
Citation in opposition procedure - 010
OPPO
Dec 8, 2020
Citation in opposition procedure - 011
OPPO
Dec 8, 2020
Citation in opposition procedure - 012
OPPO
Dec 8, 2020
Citation in opposition procedure - 013
OPPO
Dec 8, 2020
Notice of opposition
OPPO
Dec 8, 2020
Notice of opposition
OPPO
Apr 17, 2020
Communication of amended entries concerning the representative
OPPO
Apr 16, 2020
Communication confirming withdrawal from representation
OPPO
Apr 10, 2020
(Electronic) Receipt
OPPO
Apr 10, 2020
Letter accompanying subsequently filed items
OPPO
Apr 10, 2020
Submission concerning change of proprietor's representative
OPPO
Apr 9, 2020
(Electronic) Receipt
OPPO
Apr 9, 2020
Letter accompanying subsequently filed items
OPPO
Apr 9, 2020
Submission concerning change of proprietor's representative
OPPO
Mar 23, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Feb 13, 2020
Decision to grant a European patent
Search/Exam
Jan 28, 2020
(Electronic) Receipt
Search/Exam
Jan 28, 2020
Filing of the translations of the claims
Search/Exam
Jan 28, 2020
French translation of claims
Search/Exam
Jan 28, 2020
German translation of the claims
Search/Exam
Jan 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2020
Bibliographic data of the European patent application
Search/Exam
Jan 3, 2020
Communication about intention to grant a European patent
Search/Exam
Jan 3, 2020
Intention to grant (signatures)
Search/Exam
Jan 3, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 3, 2020
Text intended for grant (version for approval)
Search/Exam
Nov 29, 2019
Examination started
Search/Exam
Nov 26, 2019
Brief communication to applicant/representative
Search/Exam
Jun 26, 2019
Notification on forthcoming publication of bibliographic data
Search/Exam
May 8, 2019
(Electronic) Receipt
Search/Exam
May 8, 2019
Amendments received before examination
Search/Exam
May 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Search/Exam
Apr 23, 2019
Communication to designated inventor
Search/Exam
Apr 23, 2019
Communication to designated inventor
Search/Exam
Mar 21, 2019
Copy of the international preliminary examination report
Search/Exam
Mar 21, 2019
Translation of the annexes to the International Preliminary Examination Report
Search/Exam
Mar 20, 2019
Copy of the international preliminary examination report
Search/Exam
Mar 13, 2019
Notification of the recording of a change
PCTISA
Mar 13, 2019
Notification of the recording of a change
Search/Exam
Mar 11, 2019
Notification of the recording of a change
PCTISA
Mar 11, 2019
Notification of the recording of a change
Search/Exam
Feb 21, 2019
Communication confirming withdrawal from representation
Search/Exam
Feb 21, 2019
Communication of amended entries concerning the representative
Search/Exam
Feb 7, 2019
(Electronic) Receipt
Search/Exam
Feb 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2019
Submission concerning change of applicant's representative
Search/Exam
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Submission concerning change of applicant's representative
Search/Exam
Jan 25, 2019
Information on entry into European phase
Search/Exam
Jan 18, 2019
(Electronic) Receipt
Search/Exam
Jan 18, 2019
Request for entry into the European phase
Search/Exam
Aug 8, 2018
Annex to International preliminary examination report
PCT2
Aug 8, 2018
International preliminary examination report
PCT2
Aug 8, 2018
International preliminary examination report - free text sheet
PCT2
Aug 8, 2018
International preliminary examination report - points I-VIII
PCT2
Aug 8, 2018
Transmittal of International Preliminary Examination Report
PCT2
Mar 27, 2018
Notification of election of EPO
Search/Exam
Mar 22, 2018
Copy of the international search report
Search/Exam
Mar 22, 2018
Published international application - A1
Search/Exam
Sep 25, 2017
Amendments of documents (Article 19 PCT) (without attachments)
PCT2
Sep 11, 2017
Notification of receipt of demand
PCT2
Sep 6, 2017
PCT demand form
PCT2
Sep 5, 2017
(Electronic) Receipt
PCT2
Sep 5, 2017
PCT(IPEA): Amended sheet - claims
PCT2
Sep 5, 2017
PCT(IPEA): Amended sheet - claims
PCT2
Sep 5, 2017
Payment of fees and costs
PCT2
Sep 5, 2017
Reply to International Search Opinion
PCT2
Jun 13, 2017
ISR: cited documents
PCTISA
Jun 12, 2017
Written opinion of the ISA, boxes No. I to VIII
PCTISA
Jun 12, 2017
Written opinion of the ISA, cover sheet
PCTISA
Jun 12, 2017
Written opinion of the ISA, supplemental box
PCTISA
Oct 20, 2016
Notification of receipt of Search copy
PCTISA
Oct 6, 2016
Abstract
PCTISA
Oct 6, 2016
Claims
PCTISA
Oct 6, 2016
Description
PCTISA
Oct 6, 2016
Drawings
PCTISA
Oct 6, 2016
Request form for international application (copy for ISA/EP)
PCTISA