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The patent EP3580452 was granted to Vestas Wind Systems on Jul 19, 2023. The application was filed on Jan 30, 2018 under application number EP18702913A. 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 |
|---|---|---|---|
| SIEMENS GAMESA RENEWABLE ENERGY | Apr 18, 2024 | SGRE ASSOCIATION | ADMISSIBLE |
| SIEMENS GAMESA RENEWABLE ENERGY DEUTSCHLAND | Apr 18, 2024 | SGRE ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2010060772 |
| INTERNATIONAL-SEARCH-REPORT | EP2679810 |
| INTERNATIONAL-SEARCH-REPORT | EP2963283 |
| INTERNATIONAL-SEARCH-REPORT | US2006033338 |
| INTERNATIONAL-SEARCH-REPORT | WO2010139613 |
| OPPOSITION | CN104214045 |
| OPPOSITION | EP2784303 |
| OPPOSITION | US2008206051 |
| OPPOSITION | US2010111693 |
| OPPOSITION | US2016377057 |
| OPPOSITION | US4435647 |
| OPPOSITION | WO2009010059 |
| OPPOSITION | WO2014191001 |
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.
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Decision to grant a European patent
Search/Exam
Jun 7, 2023
(Electronic) Receipt
Search/Exam
Jun 7, 2023
Filing of the translations of the claims
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Jun 7, 2023
French translation of claims
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Jun 7, 2023
German translation of the claims
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Aug 9, 2022
Claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Annex to the communication
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Feb 7, 2022
Communication from the Examining Division
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Examination started
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Mar 11, 2020
(Electronic) Receipt
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Amended claims with annotations
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Mar 11, 2020
Letter accompanying subsequently filed items
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Communication to designated inventor
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Sep 13, 2019
Communication to designated inventor
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Aug 26, 2019
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(Electronic) Receipt
Search/Exam
Aug 7, 2019
Request for entry into the European phase
Search/Exam
Jun 24, 2019
Information on entry into European phase
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Copy of the international search report
Search/Exam
Aug 16, 2018
Published international application - A1
Search/Exam
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