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The patent EP3690230 was granted to Nordex Energy on Nov 16, 2022. The application was filed on Jan 30, 2019 under application number EP19154511A. 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 | Aug 15, 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 |
|---|---|
| DESCRIPTION | EP2484898 |
| DESCRIPTION | EP2799709 |
| DESCRIPTION | EP2826708 |
| DESCRIPTION | WO2015030573 |
| DESCRIPTION | WO2018046594 |
| OPPOSITION | CN205841096U |
| OPPOSITION | CN207420779U |
| OPPOSITION | EP2444658 |
| OPPOSITION | EP2484898 |
| OPPOSITION | EP2799709 |
| OPPOSITION | EP2975259 |
| OPPOSITION | EP3168458 |
| OPPOSITION | EP3540211 |
| OPPOSITION | EP3690230 |
| OPPOSITION | WO2015053768 |
| OPPOSITION | WO2018046547 |
| OPPOSITION | WO2018046594 |
| SEARCH | DE102016217139 |
| SEARCH | EP3029317 |
| SEARCH | EP3051125 |
| SEARCH | US2764373 |
| SEARCH | WO2015053768 |
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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Jan 2, 2026
Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
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Reply to appeal
Appeal
Sep 1, 2025
Aug 27, 2025
(Electronic) Receipt
Appeal
Aug 27, 2025
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(Electronic) Receipt
Appeal
Jul 2, 2025
Notice of appeal
Appeal
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OPPO
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Nov 29, 2022
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Decision to grant a European patent
Search/Exam
Oct 6, 2022
(Electronic) Receipt
Search/Exam
Oct 6, 2022
English translation of the claims
Search/Exam
Oct 6, 2022
Filing of the translations of the claims
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Oct 6, 2022
French translation of claims
Search/Exam
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Intention to grant (signatures)
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Aug 2, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 2, 2022
Jul 16, 2022
Examination started
Search/Exam
Feb 3, 2021
(Electronic) Receipt
Search/Exam
Feb 3, 2021
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Amended claims with annotations
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Feb 3, 2021
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Amended description with annotations
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Feb 3, 2021
Amendments received before examination
Search/Exam
Feb 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2021
Dec 23, 2020
Annexes in respect of a client data request
Search/Exam
Dec 23, 2020
Annexes in respect of a client data request
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Dec 23, 2020
Aug 10, 2020
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Notification of forthcoming publication
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Jul 25, 2019
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European search opinion
Search/Exam
Jul 25, 2019
European search report
Search/Exam
Jul 25, 2019
Information on Search Strategy
Search/Exam
Jul 16, 2019
Search started
Search/Exam
Mar 25, 2019
Communication to designated inventor
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Jan 30, 2019
Abstract
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Claims
Search/Exam
Jan 30, 2019
Description
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Jan 30, 2019
Designation of inventor
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Jan 30, 2019
Drawings
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Jan 30, 2019
Request for grant of a European patent
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