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The patent EP3420222 was granted to Wobben Properties on May 24, 2023. The application was filed on Feb 23, 2017 under application number EP17706786A. 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 |
|---|---|---|---|
| GE WIND ENERGY | Feb 21, 2024 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006014121 |
| DESCRIPTION | DE102013207255 |
| DESCRIPTION | DE102013207264 |
| EXAMINATION | DE102010007136 |
| EXAMINATION | DE102012221498 |
| EXAMINATION | DE102013207264 |
| EXAMINATION | EP2654165 |
| EXAMINATION | EP2672114 |
| EXAMINATION | US7168251 |
| EXAMINATION | WO2009056156 |
| EXAMINATION | WO2012028150 |
| INTERNATIONAL-SEARCH-REPORT | DE102013207255 |
| INTERNATIONAL-SEARCH-REPORT | US2007183885 |
| INTERNATIONAL-SEARCH-REPORT | WO2009076968 |
| OPPOSITION | DE102013207255 |
| OPPOSITION | DE102013207264 |
| OPPOSITION | DE102013208410 |
| OPPOSITION | EP2654165 |
| OPPOSITION | US2007228838 |
| OPPOSITION | US2012010755 |
| OPPOSITION | US2013168963 |
| OPPOSITION | US2015249415 |
| OPPOSITION | US2015345469 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Apr 14, 2023
(Electronic) Receipt
Search/Exam
Apr 14, 2023
English translation of the claims
Search/Exam
Apr 14, 2023
Filing of the translations of the claims
Search/Exam
Apr 14, 2023
French translation of claims
Search/Exam
Apr 14, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2023
(Electronic) Receipt
Search/Exam
Jan 16, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2023
Matter concerning the application
Search/Exam
Jan 16, 2023
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Intention to grant (signatures)
Search/Exam
Jan 10, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2023
May 31, 2022
(Electronic) Receipt
Search/Exam
May 31, 2022
Letter accompanying subsequently filed items
Search/Exam
May 31, 2022
Matter concerning the application
Search/Exam
May 31, 2022
Oct 11, 2021
(Electronic) Receipt
Search/Exam
Oct 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2021
May 31, 2021
Annex to the communication
Search/Exam
May 31, 2021
Communication from the Examining Division
Search/Exam
Apr 9, 2021
(Electronic) Receipt
Search/Exam
Apr 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2021
Matter concerning the application
Search/Exam
Apr 9, 2021
Oct 22, 2020
(Electronic) Receipt
Search/Exam
Oct 22, 2020
Amended claims with annotations
Search/Exam
Oct 22, 2020
Claims
Search/Exam
Oct 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2020
Jul 23, 2020
Annex to the communication
Search/Exam
Jul 23, 2020
Communication from the Examining Division
Search/Exam
Jul 17, 2020
Examination started
Search/Exam
Jun 30, 2020
(Electronic) Receipt
Search/Exam
Jun 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2020
Matter concerning the application
Search/Exam
Jun 30, 2020
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2020
Matter concerning the application
Search/Exam
Apr 3, 2020
Jul 1, 2019
(Electronic) Receipt
Search/Exam
Jul 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2019
Matter concerning the application
Search/Exam
Jul 1, 2019
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Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Amended claims with annotations
Search/Exam
Mar 21, 2019
Amended description with annotations
Search/Exam
Mar 21, 2019
Amendments received before examination
Search/Exam
Mar 21, 2019
Claims
Search/Exam
Mar 21, 2019
Description
Search/Exam
Mar 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
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Communication to designated inventor
Search/Exam
Sep 12, 2018
Aug 3, 2018
(Electronic) Receipt
Search/Exam
Aug 3, 2018
Priority search results
Search/Exam
Aug 3, 2018
Request for entry into the European phase
Search/Exam
Jul 4, 2018
Information on entry into European phase
Search/Exam
Sep 22, 2017
Aug 31, 2017
Copy of the international search report
Search/Exam
Aug 31, 2017
Copy of the international search report
Search/Exam
Aug 31, 2017
Published international application - A1
Search/Exam
Jun 6, 2017
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Feb 23, 2017
Abstract
PCTRO
Feb 23, 2017
Claims
PCTRO
Feb 23, 2017
Description
PCTRO
Feb 23, 2017
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Drawings
PCTRO
Feb 23, 2017