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The patent EP3565967 was granted to Siemens Gamesa Renewable Energy on Mar 17, 2021. The application was filed on Nov 28, 2017 under application number EP17816533A. 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 |
|---|---|---|---|
| ENERCON | Dec 17, 2021 | EISENFUHR SPEISER | WITHDRAWN |
| NORDEX ENERGY SPAIN | Dec 16, 2021 | HAUCK | ADMISSIBLE |
| NORDEX ENERGY SPAIN | Dec 16, 2021 | HAUCK PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102004030094 |
| INTERNATIONAL-SEARCH-REPORT | DE19704759 |
| INTERNATIONAL-SEARCH-REPORT | EP3029313 |
| INTERNATIONAL-SEARCH-REPORT | JP2000008648 |
| INTERNATIONAL-SEARCH-REPORT | KR101273967B |
| OPPOSITION | CN103423098 |
| OPPOSITION | DE102004030094 |
| OPPOSITION | DE19704759 |
| OPPOSITION | EP2548800 |
| OPPOSITION | EP2703640 |
| OPPOSITION | EP3029313 |
| OPPOSITION | JP2000008648 |
| OPPOSITION | JPH07139222 |
| OPPOSITION | KR101273967B |
| OPPOSITION | KR20110045711 |
| OPPOSITION | US2014140856 |
| OPPOSITION | US4059129 |
| OPPOSITION | US5058837 |
| OPPOSITION | WO2014040598 |
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
Feb 3, 2021
(Electronic) Receipt
Search/Exam
Feb 3, 2021
Filing of the translations of the claims
Search/Exam
Feb 3, 2021
French translation of claims
Search/Exam
Feb 3, 2021
German translation of the claims
Search/Exam
Nov 9, 2020
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Intention to grant (signatures)
Search/Exam
Nov 9, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2020
Oct 6, 2020
Examination started
Search/Exam
Apr 20, 2020
(Electronic) Receipt
Search/Exam
Apr 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2020
Apr 8, 2020
Mar 2, 2020
(Electronic) Receipt
Search/Exam
Mar 2, 2020
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Mar 2, 2020
Amendments received before examination
Search/Exam
Mar 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2019
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Aug 20, 2019
Communication to designated inventor
Search/Exam
Aug 20, 2019
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Notification of the recording of a change
Search/Exam
Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Letter concerning the inventor
Search/Exam
Aug 8, 2019
Request for entry into the European phase
Search/Exam
Jun 28, 2019
Information on entry into European phase
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Jan 2, 2019
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Notification of the recording of a change
Search/Exam
Sep 12, 2018
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Copy of the international search report
Search/Exam
Aug 23, 2018
Published international application - A1
Search/Exam
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Nov 28, 2017
(Electronic) Receipt
PCTRO
Nov 28, 2017
Abstract
PCTRO
Nov 28, 2017
Claims
PCTRO
Nov 28, 2017
Description
PCTRO
Nov 28, 2017
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Drawings
PCTRO
Nov 28, 2017