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The patent EP3642478 was granted to Wobben Properties on Jul 20, 2022. The application was filed on Jun 21, 2018 under application number EP18735222A. 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 |
|---|---|---|---|
| LIEBHERR COMPONENTS BIBERACH | Apr 20, 2023 | THOMA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102011085299 |
| DESCRIPTION | DE102011119466 |
| DESCRIPTION | DE102016002006 |
| DESCRIPTION | EP2003334 |
| DESCRIPTION | WO2011026616 |
| INTERNATIONAL-SEARCH-REPORT | DE102016002006 |
| INTERNATIONAL-SEARCH-REPORT | DE202016106888U |
| INTERNATIONAL-SEARCH-REPORT | US2014349815 |
| INTERNATIONAL-SEARCH-REPORT | US2015361956 |
| INTERNATIONAL-SEARCH-REPORT | WO2011104433 |
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 7, 2026
Dec 23, 2025
(Electronic) Receipt
Appeal
Dec 23, 2025
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Nov 18, 2025
(Electronic) Receipt
Appeal
Nov 18, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 18, 2025
Reply to appeal
Appeal
Oct 22, 2025
Oct 22, 2025
Jul 18, 2025
Jul 18, 2025
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
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May 20, 2025
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May 14, 2025
(Electronic) Receipt
Appeal
May 14, 2025
May 14, 2025
Notice of appeal
Appeal
May 13, 2025
(Electronic) Receipt
Appeal
May 13, 2025
May 13, 2025
Notice of appeal
Appeal
Mar 14, 2025
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Means of redress
OPPO
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Aug 2, 2022
Jun 23, 2022
Decision to grant a European patent
Search/Exam
Jun 8, 2022
Jun 2, 2022
(Electronic) Receipt
Search/Exam
Jun 2, 2022
Filing of the translations of the claims
Search/Exam
Jun 2, 2022
Letter accompanying subsequently filed items
Search/Exam
May 9, 2022
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Intention to grant (signatures)
Search/Exam
May 9, 2022
Text intended for grant (clean copy)
Search/Exam
May 9, 2022
Apr 5, 2022
(Electronic) Receipt
Search/Exam
Apr 5, 2022
Claims
Search/Exam
Apr 5, 2022
English translation of the claims
Search/Exam
Apr 5, 2022
French translation of claims
Search/Exam
Apr 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2022
Jan 28, 2022
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Jan 28, 2022
Intention to grant (signatures)
Search/Exam
Jan 28, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 28, 2022
Dec 14, 2021
Examination started
Search/Exam
Jul 29, 2020
(Electronic) Receipt
Search/Exam
Jul 29, 2020
Jul 29, 2020
Amended claims with annotations
Search/Exam
Jul 29, 2020
Jul 29, 2020
Amended description with annotations
Search/Exam
Jul 29, 2020
Amendments received before examination
Search/Exam
Jul 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Mar 23, 2020
Communication to designated inventor
Search/Exam
Mar 20, 2020
Change to the inventor details
Search/Exam
Mar 13, 2020
(Electronic) Receipt
Search/Exam
Mar 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2020
Letter concerning the inventor
Search/Exam
Mar 2, 2020
Feb 25, 2020
Letter which had not been notified
Search/Exam
Feb 5, 2020
Communication to designated inventor
Search/Exam
Feb 4, 2020
Jan 29, 2020
(Electronic) Receipt
Search/Exam
Jan 29, 2020
Communication to designated inventor
Search/Exam
Jan 29, 2020
Communication to designated inventor
Search/Exam
Jan 29, 2020
Communication to designated inventor
Search/Exam
Jan 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 29, 2020
Letter concerning the inventor
Search/Exam
Jan 21, 2020
(Electronic) Receipt
Search/Exam
Jan 21, 2020
Priority search results
Search/Exam
Jan 21, 2020
Request for entry into the European phase
Search/Exam
Jan 10, 2020
Nov 4, 2019
Information on entry into European phase
Search/Exam
Jan 17, 2019
Dec 27, 2018
Copy of the international search report
Search/Exam
Dec 27, 2018
Copy of the international search report
Search/Exam
Dec 27, 2018
Published international application - A1
Search/Exam
Oct 9, 2018
ISR: cited documents
PCTISA
Oct 9, 2018
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Jun 21, 2018
(Electronic) Receipt
PCTRO
Jun 21, 2018
Abstract
PCTRO
Jun 21, 2018
Claims
PCTRO
Jun 21, 2018
Description
PCTRO
Jun 21, 2018
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Drawings
PCTRO
Jun 21, 2018