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The patent EP3080887 was granted to Vestas Wind Systems on Aug 23, 2023. The application was filed on Nov 25, 2014 under application number EP14805171A. 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 | Jan 3, 2020 | SGRE ASSOCIATION | ADMISSIBLE |
| ENERCON | Jan 3, 2020 | EISENFUHR SPEISER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2013044922 |
| INTERNATIONAL-SEARCH-REPORT | EP2093420 |
| INTERNATIONAL-SEARCH-REPORT | EP2221958 |
| INTERNATIONAL-SEARCH-REPORT | US2009021013 |
| INTERNATIONAL-SEARCH-REPORT | US2011140428 |
| INTERNATIONAL-SEARCH-REPORT | US2012248772 |
| OPPOSITION | EP2221958 |
| OPPOSITION | EP2254217 |
| OPPOSITION | EP2424066 |
| OPPOSITION | US2008265577 |
| OPPOSITION | US2009021013 |
| OPPOSITION | US2011031762 |
| OPPOSITION | WO2013044922 |
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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Jul 27, 2023
Jul 27, 2023
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Jul 17, 2023
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Apr 20, 2023
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Apr 13, 2023
Refund of fees
Search/Exam
Apr 13, 2023
Refund of fees
Search/Exam
Apr 11, 2023
Apr 11, 2023
Mar 21, 2023
(Electronic) Receipt
Appeal
Mar 21, 2023
Mar 21, 2023
Withdrawal of an appeal
Appeal
Mar 16, 2023
(Electronic) Receipt
Appeal
Mar 16, 2023
Mar 16, 2023
Withdrawal of an appeal
Appeal
Jan 4, 2023
Dec 22, 2022
(Electronic) Receipt
Appeal
Dec 22, 2022
Dec 22, 2022
Jul 25, 2022
Jul 4, 2022
Jun 27, 2022
Claims
Appeal
Jun 27, 2022
May 4, 2022
Apr 29, 2022
(Electronic) Receipt
Appeal
Apr 29, 2022
Apr 29, 2022
Reply to appeal
Appeal
Feb 15, 2022
Feb 15, 2022
Feb 10, 2022
(Electronic) Receipt
Appeal
Feb 10, 2022
Feb 10, 2022
Jan 13, 2022
(Electronic) Receipt
Appeal
Jan 13, 2022
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Dec 21, 2021
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Dec 10, 2021
(Electronic) Receipt
Appeal
Dec 10, 2021
Dec 10, 2021
Notice of appeal
Appeal
Dec 6, 2021
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Nov 30, 2021
(Electronic) Receipt
Appeal
Nov 30, 2021
Nov 30, 2021
Notice of appeal
Appeal
Oct 5, 2021
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Authorisation
OPPO
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Apr 15, 2019
Mar 7, 2019
Decision to grant a European patent
Search/Exam
Feb 20, 2019
(Electronic) Receipt
Search/Exam
Feb 20, 2019
Filing of the translations of the claims
Search/Exam
Feb 20, 2019
French translation of claims
Search/Exam
Feb 20, 2019
German translation of the claims
Search/Exam
Feb 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2018
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Intention to grant (signatures)
Search/Exam
Dec 13, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 13, 2018
Nov 14, 2018
Examination started
Search/Exam
Aug 24, 2018
Jan 17, 2017
(Electronic) Receipt
Search/Exam
Jan 17, 2017
Jan 17, 2017
Amended claims with annotations
Search/Exam
Jan 17, 2017
Jan 17, 2017
Amended description with annotations
Search/Exam
Jan 17, 2017
Amendments received before examination
Search/Exam
Jan 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2016
Jul 19, 2016
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jun 28, 2016
Jun 16, 2016
(Electronic) Receipt
Search/Exam
Jun 16, 2016
Request for entry into the European phase
Search/Exam
Apr 22, 2016
Information on entry into European phase
Search/Exam
Jul 7, 2015
Jun 18, 2015
Copy of the international search report
Search/Exam
Jun 18, 2015
Published international application - A1
Search/Exam
Apr 7, 2015
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Nov 25, 2014
Abstract
PCTISA
Nov 25, 2014
Claims
PCTISA
Nov 25, 2014
Description
PCTISA
Nov 25, 2014
Drawings
PCTISA