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The patent EP3390812 was granted to LM Wind Power on Jun 4, 2025. The application was filed on Dec 16, 2016 under application number EP16816661A. 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 |
|---|---|---|---|
| VESTAS WIND SYSTEMS | Apr 22, 2021 | WORTHINGTON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2497739 |
| INTERNATIONAL-SEARCH-REPORT | US2012027590 |
| INTERNATIONAL-SEARCH-REPORT | US2014286784 |
| INTERNATIONAL-SEARCH-REPORT | US5533865 |
| INTERNATIONAL-SEARCH-REPORT | WO2013045601 |
| INTERNATIONAL-SEARCH-REPORT | WO2014048437 |
| OPPOSITION | GB2497739 |
| OPPOSITION | US2012027590 |
| OPPOSITION | US5533865 |
| OPPOSITION | WO2013045601 |
| OPPOSITION | WO2014048437 |
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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May 9, 2025
May 9, 2025
Apr 28, 2025
Apr 28, 2025
Apr 28, 2025
Apr 28, 2025
Feb 4, 2025
Feb 4, 2025
Jan 30, 2025
Dec 13, 2024
Refund of fees
Appeal
Dec 10, 2024
Refund of fees
Appeal
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Nov 4, 2024
Oct 29, 2024
(Electronic) Receipt
Appeal
Oct 29, 2024
Sep 11, 2024
Sep 6, 2024
(Electronic) Receipt
Appeal
Sep 6, 2024
(Electronic) Receipt
Appeal
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Jul 16, 2024
Jul 16, 2024
Jul 15, 2024
Jul 10, 2024
(Electronic) Receipt
Appeal
Jul 10, 2024
Jul 10, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 22, 2024
(Electronic) Receipt
Appeal
May 22, 2024
May 22, 2024
May 17, 2024
May 14, 2024
(Electronic) Receipt
Appeal
May 14, 2024
May 14, 2024
May 3, 2024
May 3, 2024
Apr 29, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 19, 2024
Apr 19, 2024
Feb 12, 2024
Jan 2, 2024
Dec 20, 2023
(Electronic) Receipt
Appeal
Dec 20, 2023
Dec 20, 2023
Nov 15, 2023
Nov 15, 2023
Nov 10, 2023
(Electronic) Receipt
Appeal
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
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Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Nov 10, 2023
Reply to appeal
Appeal
Nov 9, 2023
(Electronic) Receipt
Appeal
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Reply to appeal
Appeal
Jul 11, 2023
Jul 11, 2023
Jul 6, 2023
(Electronic) Receipt
Appeal
Jul 6, 2023
Jul 6, 2023
Jul 5, 2023
(Electronic) Receipt
Appeal
Jul 5, 2023
Jul 5, 2023
Apr 25, 2023
Apr 25, 2023
Apr 20, 2023
(Electronic) Receipt
Appeal
Apr 20, 2023
Apr 20, 2023
Notice of appeal
Appeal
Mar 30, 2023
Mar 30, 2023
Mar 23, 2023
(Electronic) Receipt
Appeal
Mar 23, 2023
Mar 23, 2023
Notice of appeal
Appeal
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
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Mar 6, 2023
Means of redress
OPPO
Mar 6, 2023
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Sep 6, 2022
Sep 1, 2022
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May 16, 2022
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Aug 26, 2021
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Apr 22, 2021
Aug 3, 2020
Jun 25, 2020
Decision to grant a European patent
Search/Exam
Jun 12, 2020
(Electronic) Receipt
Search/Exam
Jun 12, 2020
Filing of the translations of the claims
Search/Exam
Jun 12, 2020
French translation of claims
Search/Exam
Jun 12, 2020
German translation of the claims
Search/Exam
Jun 12, 2020
Letter accompanying subsequently filed items
Search/Exam
May 4, 2020
Feb 13, 2020
Feb 13, 2020
Feb 13, 2020
Intention to grant (signatures)
Search/Exam
Feb 13, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2020
Jan 8, 2020
Examination started
Search/Exam
Feb 1, 2019
(Electronic) Receipt
Search/Exam
Feb 1, 2019
Feb 1, 2019
Amended claims with annotations
Search/Exam
Feb 1, 2019
Amendments received before examination
Search/Exam
Feb 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2018
Nov 16, 2018
Oct 12, 2018
(Electronic) Receipt
Search/Exam
Oct 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2018
Letter concerning the inventor
Search/Exam
Sep 26, 2018
Aug 14, 2018
Aug 7, 2018
Letter which had not been notified
Search/Exam
Jul 27, 2018
Jul 25, 2018
Communication to designated inventor
Search/Exam
Jul 20, 2018
Priority search results copy provided by EPO
Search/Exam
Jul 17, 2018
(Electronic) Receipt
Search/Exam
Jul 17, 2018
Request for entry into the European phase
Search/Exam
Jul 5, 2018
Apr 30, 2018
Information on entry into European phase
Search/Exam
Jul 10, 2017
Jun 22, 2017
Copy of the international search report
Search/Exam
Jun 22, 2017
Published international application - A1
Search/Exam
Apr 11, 2017
ISR: cited documents
PCTISA
Apr 10, 2017
Apr 10, 2017
Apr 10, 2017
Jan 10, 2017
Jan 10, 2017
Jan 4, 2017
Dec 16, 2016
(Electronic) Receipt
PCTRO
Dec 16, 2016
Abstract
PCTRO
Dec 16, 2016
Claims
PCTRO
Dec 16, 2016
Description
PCTRO
Dec 16, 2016
Dec 16, 2016
Drawings
PCTRO
Dec 16, 2016
Dec 16, 2016