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The patent EP3658767 was granted to Vestas Wind Systems on Dec 14, 2022. The application was filed on Jul 24, 2018 under application number EP18749298A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| LM WIND POWER | Sep 14, 2023 | COPA COPENHAGEN PATENTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2011229333 |
| INTERNATIONAL-SEARCH-REPORT | US2017058867 |
| INTERNATIONAL-SEARCH-REPORT | WO2015134823 |
| OPPOSITION | DK201370472 |
| OPPOSITION | EP2213445 |
| OPPOSITION | EP2727711 |
| OPPOSITION | EP2755815 |
| OPPOSITION | EP2871050 |
| OPPOSITION | EP2881237 |
| OPPOSITION | EP3138769 |
| OPPOSITION | EP3396155 |
| OPPOSITION | US2011229333 |
| OPPOSITION | US2015360440 |
| OPPOSITION | US2016107864 |
| OPPOSITION | US2017058867 |
| OPPOSITION | WO02066235 |
| OPPOSITION | WO2015165967 |
| OPPOSITION | WO2016066207 |
| OPPOSITION | WO2016066816 |
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 19, 2025
Refund of fees
Appeal
Nov 4, 2025
Oct 27, 2025
(Electronic) Receipt
Appeal
Oct 27, 2025
Oct 27, 2025
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Notice of opposition
Appeal
Oct 27, 2025
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(Electronic) Receipt
Appeal
Oct 16, 2025
Oct 16, 2025
Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
Aug 25, 2025
Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Nov 1, 2022
(Electronic) Receipt
Search/Exam
Nov 1, 2022
Filing of the translations of the claims
Search/Exam
Nov 1, 2022
French translation of claims
Search/Exam
Nov 1, 2022
German translation of the claims
Search/Exam
Jul 7, 2022
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Intention to grant (signatures)
Search/Exam
Jul 7, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 7, 2022
Jun 21, 2022
Examination started
Search/Exam
Sep 15, 2020
(Electronic) Receipt
Search/Exam
Sep 15, 2020
Sep 15, 2020
Amended claims with annotations
Search/Exam
Sep 15, 2020
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Amended description with annotations
Search/Exam
Sep 15, 2020
Amendments received before examination
Search/Exam
Sep 15, 2020
Letter accompanying subsequently filed items
Search/Exam
May 7, 2020
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Communication to designated inventor
Search/Exam
Feb 26, 2020
(Electronic) Receipt
Search/Exam
Feb 26, 2020
Request for entry into the European phase
Search/Exam
Feb 11, 2020
Dec 6, 2019
Information on entry into European phase
Search/Exam
Feb 28, 2019
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Copy of the international search report
Search/Exam
Jan 31, 2019
Published international application - A1
Search/Exam
Oct 8, 2018
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