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The patent EP3795862 was granted to Vestas Wind Systems on Dec 18, 2024. The application was filed on Sep 20, 2019 under application number EP19198725A. 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 | Sep 6, 2022 | SGRE ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | JPS5467162 |
| OPPOSITION | CN207161276U |
| OPPOSITION | DE102014000044 |
| OPPOSITION | DE102014200674 |
| OPPOSITION | DE102017212537 |
| OPPOSITION | EP2080904 |
| OPPOSITION | EP2273112 |
| OPPOSITION | EP2508753 |
| OPPOSITION | EP2541058 |
| OPPOSITION | EP2617994 |
| OPPOSITION | EP2933483 |
| OPPOSITION | WO2013085130 |
| SEARCH | DE102014200674 |
| SEARCH | EP2541058 |
| SEARCH | EP3001062 |
| SEARCH | US2017023067 |
| SEARCH | US6019292 |
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 21, 2024
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Means of redress
OPPO
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Authorisation
OPPO
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Information concerning oral proceedings
Search/Exam
Jun 15, 2023
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Dec 21, 2021
Nov 11, 2021
Decision to grant a European patent
Search/Exam
Oct 26, 2021
(Electronic) Receipt
Search/Exam
Oct 26, 2021
English translation of the claims
Search/Exam
Oct 26, 2021
Filing of the translations of the claims
Search/Exam
Oct 26, 2021
French translation of claims
Search/Exam
Jul 16, 2021
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Intention to grant (signatures)
Search/Exam
Jul 16, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 16, 2021
May 21, 2021
Examination started
Search/Exam
Mar 29, 2021
Feb 24, 2021
Notification of forthcoming publication
Search/Exam
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Jul 27, 2020
Amended claims with annotations
Search/Exam
Jul 27, 2020
Amendments received before examination
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2020
Jul 23, 2020
Amended claims with annotations
Search/Exam
Jul 23, 2020
Amendments received before examination
Search/Exam
Mar 9, 2020
Mar 6, 2020
Mar 6, 2020
European search opinion
Search/Exam
Mar 6, 2020
European search report
Search/Exam
Mar 6, 2020
Information on Search Strategy
Search/Exam
Mar 3, 2020
Nov 13, 2019
Communication to designated inventor
Search/Exam
Nov 13, 2019
Communication to designated inventor
Search/Exam
Nov 13, 2019
Communication to designated inventor
Search/Exam
Nov 13, 2019
Communication to designated inventor
Search/Exam
Sep 20, 2019
Abstract
Search/Exam
Sep 20, 2019
Sep 20, 2019
Claims
Search/Exam
Sep 20, 2019
Description
Search/Exam
Sep 20, 2019
Designation of inventor
Search/Exam
Sep 20, 2019
Drawings
Search/Exam
Sep 20, 2019
Request for grant of a European patent
Search/Exam