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The patent EP2847458 was granted to Vestas Wind Systems on Aug 16, 2017. The application was filed on May 10, 2013 under application number EP13722984A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SUZLON ENERGY | May 11, 2018 | MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| SIEMENS GAMESA RENEWABLE ENERGY | May 8, 2018 | SGRE ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2075463 |
| INTERNATIONAL-SEARCH-REPORT | US2011031748 |
| INTERNATIONAL-SEARCH-REPORT | WO2012019785 |
| OPPOSITION | EP2075463 |
| OPPOSITION | EP2532888 |
| OPPOSITION | EP2818699 |
| OPPOSITION | US2011031748 |
| OPPOSITION | WO2012019785 |
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 11, 2023
Refund of fees
OPPO
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Aug 28, 2023
Aug 28, 2023
Aug 28, 2023
Aug 22, 2023
(Electronic) Receipt
Appeal
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Aug 14, 2023
Aug 14, 2023
Aug 9, 2023
(Electronic) Receipt
Appeal
Aug 9, 2023
Aug 9, 2023
Aug 8, 2023
Aug 8, 2023
Aug 2, 2023
(Electronic) Receipt
Appeal
Aug 2, 2023
Aug 2, 2023
Jul 14, 2023
Jul 14, 2023
Jul 10, 2023
(Electronic) Receipt
Appeal
Jul 10, 2023
Jul 10, 2023
Jul 6, 2023
Jul 6, 2023
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Jun 22, 2023
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Jun 22, 2023
Dec 6, 2022
Aug 2, 2022
Aug 2, 2022
Jul 27, 2022
Jul 27, 2022
Oct 28, 2021
Mar 17, 2021
Mar 12, 2021
(Electronic) Receipt
Appeal
Mar 12, 2021
Mar 12, 2021
Dec 14, 2020
Dec 14, 2020
Dec 9, 2020
(Electronic) Receipt
Appeal
Dec 9, 2020
Dec 9, 2020
Nov 27, 2020
Sep 28, 2020
Sep 28, 2020
Sep 23, 2020
(Electronic) Receipt
Appeal
Sep 23, 2020
Sep 23, 2020
Reply to appeal
Appeal
May 15, 2020
May 15, 2020
May 12, 2020
(Electronic) Receipt
Appeal
May 12, 2020
May 12, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 17, 2020
(Electronic) Receipt
Appeal
Mar 17, 2020
Mar 17, 2020
Notice of appeal
Appeal
Jan 21, 2020
Jan 20, 2020
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Jan 15, 2020
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Means of redress
OPPO
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Dec 12, 2019
Dec 6, 2019
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Nov 29, 2019
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Nov 27, 2019
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Authorisation
OPPO
Nov 26, 2019
Nov 26, 2019
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Sep 26, 2019
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Sep 17, 2019
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Claims
OPPO
Sep 17, 2019
Claims
OPPO
Sep 17, 2019
Claims
OPPO
Sep 17, 2019
Claims
OPPO
Sep 17, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Mar 6, 2019
Feb 28, 2019
Feb 11, 2019
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Authorisation
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Jul 27, 2018
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Jun 1, 2018
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Aug 17, 2017
Jul 20, 2017
Decision to grant a European patent
Search/Exam
Jul 4, 2017
(Electronic) Receipt
Search/Exam
Jul 4, 2017
Filing of the translations of the claims
Search/Exam
Jul 4, 2017
French translation of claims
Search/Exam
Jul 4, 2017
German translation of the claims
Search/Exam
Jul 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2017
Apr 21, 2017
Apr 21, 2017
Intention to grant (signatures)
Search/Exam
Apr 21, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 21, 2017
Mar 21, 2017
Examination started
Search/Exam
Dec 12, 2016
Jul 6, 2015
(Electronic) Receipt
Search/Exam
Jul 6, 2015
Jul 6, 2015
Amended claims with annotations
Search/Exam
Jul 6, 2015
Amendments received before examination
Search/Exam
Jul 6, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2015
Apr 24, 2015
Feb 19, 2015
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Jan 13, 2015
Dec 22, 2014
Dec 16, 2014
Communication to designated inventor
Search/Exam
Nov 25, 2014
Nov 7, 2014
(Electronic) Receipt
Search/Exam
Nov 7, 2014
Priority search results
Search/Exam
Nov 7, 2014
Request for entry into the European phase
Search/Exam
Sep 19, 2014
Information on entry into European phase
Search/Exam
Dec 4, 2013
Dec 4, 2013
Nov 14, 2013
Copy of the international search report
Search/Exam
Nov 14, 2013
Published international application - A1
Search/Exam
Jul 24, 2013
Jul 24, 2013
Jul 24, 2013
May 10, 2013
Abstract
PCTISA
May 10, 2013
Claims
PCTISA
May 10, 2013
Description
PCTISA
May 10, 2013
Drawings
PCTISA