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The patent EP2375059 was granted to General Electric on Aug 6, 2025. The application was filed on Apr 7, 2011 under application number EP11161484A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| VESTAS WIND SYSTEMS | Dec 9, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US4454428 |
| OPPOSITION | EP0070553 |
| OPPOSITION | EP1373722 |
| OPPOSITION | US2004108729 |
| OPPOSITION | US2007140847 |
| SEARCH | US2007140847 |
| SEARCH | US2009266160 |
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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Refund of fees
Appeal
Mar 17, 2025
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Feb 26, 2025
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jan 31, 2022
(Electronic) Receipt
Search/Exam
Jan 31, 2022
Filing of the translations of the claims
Search/Exam
Jan 31, 2022
French translation of claims
Search/Exam
Jan 31, 2022
German translation of the claims
Search/Exam
Jan 31, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2021
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Intention to grant (signatures)
Search/Exam
Oct 20, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 20, 2021
Sep 30, 2021
(Electronic) Receipt
Search/Exam
Sep 30, 2021
Amended claims with annotations
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Sep 30, 2021
Claims
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Sep 30, 2021
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Jun 9, 2021
Text intended for grant (clean copy)
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(Electronic) Receipt
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May 18, 2021
Amended description with annotations
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Description
Search/Exam
May 18, 2021
Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
Feb 14, 2020
Amended claims with annotations
Search/Exam
Feb 14, 2020
Claims
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Aug 16, 2019
Communication from the Examining Division
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(Electronic) Receipt
Search/Exam
Aug 27, 2018
Amended claims with annotations
Search/Exam
Aug 27, 2018
Claims
Search/Exam
Aug 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2018
Jul 6, 2018
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(Electronic) Receipt
Search/Exam
Jun 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2018
Annex to the communication
Search/Exam
Mar 7, 2018
Communication from the Examining Division
Search/Exam
Mar 1, 2018
Examination started
Search/Exam
Feb 8, 2018
(Electronic) Receipt
Search/Exam
Feb 8, 2018
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Amended claims with annotations
Search/Exam
Feb 8, 2018
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Amended description with annotations
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Feb 8, 2018
Amendments received before examination
Search/Exam
Feb 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2017
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European search opinion
Search/Exam
Jul 12, 2017
European search report
Search/Exam
Jul 12, 2017
Information on Search Strategy
Search/Exam
Jul 3, 2013
Jul 1, 2013
Submission concerning representation
Search/Exam
Sep 14, 2011
Notification of forthcoming publication
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Jun 28, 2011
Jun 8, 2011
Apr 7, 2011
Abstract
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Apr 7, 2011
Apr 7, 2011
Claims
Search/Exam
Apr 7, 2011
Description
Search/Exam
Apr 7, 2011
Designation of inventor
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Apr 7, 2011
Drawings
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Apr 7, 2011
Request for grant of a European patent
Search/Exam