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The patent EP4013961 was granted to Enbw Energie Baden Wrttemberg on May 10, 2023. The application was filed on Jul 29, 2020 under application number EP20751099A. 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 |
|---|---|---|---|
| RWE OFFSHORE WIND | Feb 7, 2024 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202014004372U |
| DESCRIPTION | WO2019106283 |
| INTERNATIONAL-SEARCH-REPORT | EP2221474 |
| INTERNATIONAL-SEARCH-REPORT | EP2811159 |
| INTERNATIONAL-SEARCH-REPORT | US2010194115 |
| OPPOSITION | DE102009017468 |
| OPPOSITION | DE202014004373U |
| OPPOSITION | EP2811159 |
| OPPOSITION | EP2811160 |
| OPPOSITION | WO2012003835 |
| OPPOSITION | WO2017097308 |
| OPPOSITION | WO2020001932 |
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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Decision to grant a European patent
Search/Exam
Mar 31, 2023
(Electronic) Receipt
Search/Exam
Mar 31, 2023
English translation of the claims
Search/Exam
Mar 31, 2023
Filing of the translations of the claims
Search/Exam
Mar 31, 2023
French translation of claims
Search/Exam
Mar 31, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2023
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Intention to grant (signatures)
Search/Exam
Jan 13, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 13, 2023
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Examination started
Search/Exam
May 25, 2022
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(Electronic) Receipt
Search/Exam
Mar 16, 2022
Priority search results
Search/Exam
Mar 16, 2022
Request for entry into the European phase
Search/Exam
Feb 21, 2022
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Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 10, 2022
Information on entry into European phase
Search/Exam
Dec 23, 2021
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Notification of the recording of a change
Search/Exam
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Notification of election of EPO
Search/Exam
Feb 25, 2021
Copy of the international search report
Search/Exam
Feb 25, 2021
Copy of the international search report
Search/Exam
Feb 25, 2021
Published international application - A1
Search/Exam
Feb 23, 2021
Written opinion
PCT2
Feb 23, 2021
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PCT demand form
PCT2
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ISR: cited documents
PCTISA
Nov 2, 2020
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(Electronic) Receipt
PCTRO
Jul 29, 2020
Abstract
PCTRO
Jul 29, 2020
Claims
PCTRO
Jul 29, 2020
Description
PCTRO
Jul 29, 2020
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Drawings
PCTRO
Jul 29, 2020