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The patent EP3408532 was granted to Wobben Properties on Dec 28, 2022. The application was filed on Jan 26, 2017 under application number EP17702577A. 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 |
|---|---|---|---|
| LM WIND POWER | Sep 28, 2023 | COPA COPENHAGEN PATENTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008007304 |
| DESCRIPTION | DE102009047570 |
| DESCRIPTION | DE102010002432 |
| DESCRIPTION | DE102011003560 |
| DESCRIPTION | DE102013100117 |
| DESCRIPTION | DE20206942U |
| INTERNATIONAL-SEARCH-REPORT | CN102661240 |
| INTERNATIONAL-SEARCH-REPORT | CN103817955 |
| INTERNATIONAL-SEARCH-REPORT | EP2815861 |
| INTERNATIONAL-SEARCH-REPORT | US2008069699 |
| INTERNATIONAL-SEARCH-REPORT | US2013149154 |
| INTERNATIONAL-SEARCH-REPORT | US2014271198 |
| OPPOSITION | CN102661240 |
| OPPOSITION | CN103817955 |
| OPPOSITION | EP2815861 |
| OPPOSITION | US2008069699 |
| OPPOSITION | US2011211971 |
| OPPOSITION | US2012027609 |
| OPPOSITION | US2013149154 |
| OPPOSITION | US2014271198 |
| OPPOSITION | WO03008800 |
| OPPOSITION | WO03078833 |
| OPPOSITION | WO03093672 |
| OPPOSITION | WO2005026538 |
| OPPOSITION | WO2006015598 |
| OPPOSITION | WO2011078327 |
| OPPOSITION | WO2011088372 |
| OPPOSITION | WO2013087078 |
| OPPOSITION | WO2015114100 |
| OPPOSITION | WO2017108692 |
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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Oct 31, 2025
Oct 27, 2025
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Dec 1, 2022
Decision to grant a European patent
Search/Exam
Nov 17, 2022
(Electronic) Receipt
Search/Exam
Nov 17, 2022
English translation of the claims
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Nov 17, 2022
Filing of the translations of the claims
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Nov 17, 2022
French translation of claims
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Nov 17, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 21, 2022
Text intended for grant (clean copy)
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(Electronic) Receipt
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Mar 4, 2022
Amended claims with annotations
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Mar 4, 2022
Claims
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Mar 4, 2022
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Description
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Mar 4, 2022
Description
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Mar 4, 2022
Letter accompanying subsequently filed items
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Mar 4, 2022
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(Electronic) Receipt
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Feb 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2022
Matter concerning the application
Search/Exam
Feb 10, 2022
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Oct 27, 2021
Annex to the communication
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Oct 27, 2021
Communication from the Examining Division
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Jul 17, 2020
(Electronic) Receipt
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Jul 17, 2020
Amended claims with annotations
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Jul 17, 2020
Claims
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Jul 17, 2020
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jun 16, 2020
Matter concerning the application
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Jun 16, 2020
Non-patent literature filed by a third party
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(Electronic) Receipt
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Mar 11, 2020
Letter accompanying subsequently filed items
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Mar 11, 2020
Matter concerning the application
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Mar 11, 2020
Non-patent literature filed by a third party
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Mar 9, 2020
Annex to the communication
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Mar 9, 2020
Communication from the Examining Division
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Mar 2, 2020
Examination started
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Jan 16, 2020
(Electronic) Receipt
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Jan 16, 2020
Letter accompanying subsequently filed items
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Jan 16, 2020
Matter concerning the application
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(Electronic) Receipt
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Dec 4, 2019
Enquiry as to the processing of the file
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Dec 4, 2019
Letter accompanying subsequently filed items
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May 21, 2019
(Electronic) Receipt
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May 21, 2019
Letter accompanying subsequently filed items
Search/Exam
May 21, 2019
Matter concerning the application
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May 21, 2019
May 13, 2019
(Electronic) Receipt
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May 13, 2019
Letter accompanying subsequently filed items
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May 13, 2019
Priority search results
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May 13, 2019
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(Electronic) Receipt
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Mar 12, 2019
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Amended claims with annotations
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Mar 12, 2019
Amendments received before examination
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Mar 12, 2019
Letter accompanying subsequently filed items
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Nov 7, 2018
Sep 12, 2018
Sep 5, 2018
Communication to designated inventor
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Sep 5, 2018
Communication to designated inventor
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Aug 23, 2018
(Electronic) Receipt
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Aug 23, 2018
Request for entry into the European phase
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Aug 16, 2018
Jun 8, 2018
Information on entry into European phase
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Jan 18, 2018
Copy of the international search report
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Jan 18, 2018
Copy of the international search report
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Jan 18, 2018
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Published international application - A2
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Mar 20, 2017
Feb 14, 2017
Jan 26, 2017
(Electronic) Receipt
PCTRO
Jan 26, 2017
Abstract
PCTRO
Jan 26, 2017
Claims
PCTRO
Jan 26, 2017
Description
PCTRO
Jan 26, 2017
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Drawings
PCTRO
Jan 26, 2017