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The patent EP2877337 was granted to LM Wind Power on May 24, 2017. The application was filed on Jul 4, 2013 under application number EP13733002A. 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 |
|---|---|---|---|
| VESTAS WIND SYSTEMS | Feb 23, 2018 | CALLAGHAN | ADMISSIBLE |
| VESTAS WIND SYSTEMS | Feb 23, 2018 | KENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1019631 |
| DESCRIPTION | EP2404743 |
| DESCRIPTION | GB2403927 |
| EXAMINATION | US2007145622 |
| INTERNATIONAL-SEARCH-REPORT | EP2404743 |
| INTERNATIONAL-SEARCH-REPORT | GB2403927 |
| OPPOSITION | EP1452845 |
| OPPOSITION | EP2404743 |
| OPPOSITION | GB2403927 |
| OPPOSITION | US2005040553 |
| OPPOSITION | US2007145622 |
| OPPOSITION | US6136236 |
| OPPOSITION | WO2009103736 |
| OPPOSITION | WO2012052009 |
| OPPOSITION | WO2013072074 |
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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Appeal
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Notice of appeal
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Sep 7, 2017
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Decision to grant a European patent
Search/Exam
Apr 11, 2017
(Electronic) Receipt
Search/Exam
Apr 11, 2017
Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Apr 11, 2017
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Aug 2, 2016
Letter accompanying subsequently filed items
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Aug 2, 2016
Mar 24, 2016
Annex to the communication
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Mar 24, 2016
Communication from the Examining Division
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Mar 16, 2016
Examination started
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May 7, 2015
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Communication to designated inventor
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Apr 1, 2015
Communication to designated inventor
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Mar 28, 2015
Priority search results copy provided by EPO
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Feb 5, 2015
(Electronic) Receipt
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Feb 5, 2015
Request for entry into the European phase
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Observations by third parties
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Jan 7, 2015
Patent document filed by a Third party
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Nov 14, 2014
Information on entry into European phase
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Jul 3, 2014
Copy of the international search report
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Published international application - A2
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