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The patent EP2886858 was granted to Acciona Windpower on Jan 3, 2024. The application was filed on Dec 17, 2014 under application number EP14198672A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SIEMENS GAMESA RENEWABLE ENERGY | Aug 14, 2019 | SGRE ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2336553 |
| EXAMINATION | EP2679805 |
| OPPOSITION | EP2336553 |
| OPPOSITION | EP2674614 |
| OPPOSITION | EP2679805 |
| OPPOSITION | US2009175724 |
| OPPOSITION | US2010290912 |
| OPPOSITION | US2012134806 |
| OPPOSITION | US2013039768 |
| OPPOSITION | US2013216394 |
| OPPOSITION | US2013330194 |
| OPPOSITION | US2015003986 |
| OPPOSITION | US9074581 |
| OPPOSITION | US9109578 |
| OPPOSITION | WO2008068373 |
| OPPOSITION | WO2013091635 |
| OPPOSITION | WO2013176723 |
| OPPOSITION | WO2015090655 |
| SEARCH | US2010290912 |
| SEARCH | US2012134806 |
| SEARCH | US2013216394 |
| SEARCH | WO2008068373 |
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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Dec 7, 2023
Dec 7, 2023
Dec 6, 2023
Dec 1, 2023
Dec 1, 2023
Nov 24, 2023
Nov 24, 2023
Authorisation
OPPO
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 13, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Jun 29, 2023
Jun 29, 2023
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Jun 20, 2023
Jun 19, 2023
(Electronic) Receipt
Appeal
Jun 19, 2023
Jun 19, 2023
Jun 13, 2023
Jun 13, 2023
Jun 5, 2023
Jun 2, 2023
(Electronic) Receipt
Appeal
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 1, 2023
(Electronic) Receipt
Appeal
Jun 1, 2023
Jun 1, 2023
Mar 16, 2023
Mar 13, 2023
(Electronic) Receipt
Appeal
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Refund of fees
Appeal
Mar 9, 2023
Mar 6, 2023
Mar 3, 2023
(Electronic) Receipt
Appeal
Mar 3, 2023
Authorisation
Appeal
Mar 3, 2023
Mar 3, 2023
Feb 23, 2023
(Electronic) Receipt
Appeal
Feb 23, 2023
Feb 23, 2023
Withdrawal of an appeal
Appeal
Jan 31, 2023
Jan 31, 2023
Aug 3, 2022
Aug 3, 2022
Jul 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2022
Jul 25, 2022
Jul 20, 2022
(Electronic) Receipt
Appeal
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 9, 2022
May 3, 2022
Apr 7, 2022
Apr 4, 2022
(Electronic) Receipt
Appeal
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Reply to appeal
Appeal
Mar 29, 2022
Mar 24, 2022
(Electronic) Receipt
Appeal
Mar 24, 2022
Mar 24, 2022
Mar 24, 2022
Mar 24, 2022
Reply to appeal
Appeal
Dec 8, 2021
Dec 8, 2021
Dec 3, 2021
(Electronic) Receipt
Appeal
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
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Dec 3, 2021
Dec 3, 2021
Nov 25, 2021
(Electronic) Receipt
Appeal
Nov 25, 2021
Nov 25, 2021
Nov 18, 2021
Nov 18, 2021
Nov 15, 2021
(Electronic) Receipt
Appeal
Nov 15, 2021
Nov 15, 2021
Oct 11, 2021
Oct 11, 2021
Oct 6, 2021
(Electronic) Receipt
Appeal
Oct 6, 2021
Oct 6, 2021
Notice of appeal
Appeal
Sep 29, 2021
Sep 29, 2021
Sep 20, 2021
(Electronic) Receipt
Appeal
Sep 20, 2021
Sep 20, 2021
Notice of appeal
Appeal
Aug 3, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Means of redress
OPPO
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jun 18, 2021
Jun 18, 2021
Jun 10, 2021
May 7, 2021
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May 7, 2021
Authorisation
OPPO
May 7, 2021
May 7, 2021
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Apr 26, 2021
Apr 26, 2021
Authorisation
OPPO
Apr 26, 2021
Apr 9, 2021
Apr 9, 2021
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Mar 26, 2021
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Feb 8, 2021
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Oct 20, 2020
Oct 12, 2020
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Feb 26, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Oct 10, 2019
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Aug 22, 2019
Aug 14, 2019
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Aug 14, 2019
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Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Jan 4, 2019
Dec 13, 2018
Annexes in respect of a client data request
Search/Exam
Dec 13, 2018
Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 18, 2018
(Electronic) Receipt
Search/Exam
Oct 18, 2018
French translation of claims
Search/Exam
Oct 18, 2018
German translation of the claims
Search/Exam
Oct 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2018
Oct 8, 2018
Oct 8, 2018
Intention to grant (signatures)
Search/Exam
Oct 8, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2018
May 16, 2018
(Electronic) Receipt
Search/Exam
May 16, 2018
Amended claims with annotations
Search/Exam
May 16, 2018
Amended claims with annotations
Search/Exam
May 16, 2018
Amended description with annotations
Search/Exam
May 16, 2018
Amended description with annotations
Search/Exam
May 16, 2018
Claims
Search/Exam
May 16, 2018
Claims
Search/Exam
May 16, 2018
Description
Search/Exam
May 16, 2018
Description
Search/Exam
May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
May 16, 2018
Jan 18, 2018
Annex to the communication
Search/Exam
Jan 18, 2018
Communication from the Examining Division
Search/Exam
Jan 11, 2018
Examination started
Search/Exam
Aug 24, 2017
Jun 7, 2016
Jun 1, 2016
Dec 23, 2015
(Electronic) Receipt
Search/Exam
Dec 23, 2015
Dec 23, 2015
Amended claims with annotations
Search/Exam
Dec 23, 2015
Dec 23, 2015
Amended description with annotations
Search/Exam
Dec 23, 2015
Amendments received before examination
Search/Exam
Dec 23, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2015
May 28, 2015
Notification of forthcoming publication
Search/Exam
May 7, 2015
May 7, 2015
European search opinion
Search/Exam
May 7, 2015
European search report
Search/Exam
Apr 24, 2015
Search started
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Feb 9, 2015
Communication to designated inventor
Search/Exam
Jan 5, 2015
Letter concerning the priority
Search/Exam
Jan 5, 2015
Priority document
Search/Exam
Dec 17, 2014
Abstract
Search/Exam
Dec 17, 2014
Dec 17, 2014
Claims
Search/Exam
Dec 17, 2014
Description
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Designation of inventor
Search/Exam
Dec 17, 2014
Drawings
Search/Exam
Dec 17, 2014
Request for grant of a European patent
Search/Exam