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The patent EP2574711 was granted to Repower Systems on Jul 12, 2023. The application was filed on Aug 25, 2004 under application number EP12006627A. 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 |
|---|---|---|---|
| ORSTED WIND POWER | Apr 19, 2018 | DRAGSTED PARTNERS | ADMISSIBLE |
| RAMBOLL DANMARK | Apr 19, 2018 | PATENTGRUPPEN | ADMISSIBLE |
| SIEMENS GAMESA RENEWABLE ENERGY | Apr 17, 2018 | SGRE ASSOCIATION | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19802210 |
| DESCRIPTION | DE736454 |
| DESCRIPTION | EP0821161 |
| OPPOSITION | BE451404 |
| OPPOSITION | CH233255 |
| OPPOSITION | DE10061916 |
| OPPOSITION | DE10111280 |
| OPPOSITION | DE10230273 |
| OPPOSITION | DE19802210 |
| OPPOSITION | DE20109981U |
| OPPOSITION | DE2804711 |
| OPPOSITION | DE29710502U |
| OPPOSITION | DE542902 |
| OPPOSITION | DE736454 |
| OPPOSITION | DE739454 |
| OPPOSITION | DE8704779U |
| OPPOSITION | DE9406809U |
| OPPOSITION | DE9417738U |
| OPPOSITION | FR2597161 |
| OPPOSITION | FR901698 |
| OPPOSITION | FR921439 |
| OPPOSITION | GB2267525 |
| OPPOSITION | GB2366820 |
| OPPOSITION | JP2002115257 |
| OPPOSITION | JPS58186059 |
| OPPOSITION | JPS61200471U |
| OPPOSITION | US2705061 |
| OPPOSITION | US3638436 |
| OPPOSITION | US3685300 |
| OPPOSITION | US3895471 |
| OPPOSITION | US4403916 |
| OPPOSITION | US4516881 |
| OPPOSITION | US4519725 |
| OPPOSITION | US4543014 |
| OPPOSITION | US4621949 |
| OPPOSITION | US4646505 |
| OPPOSITION | US5356239 |
| OPPOSITION | US5669735 |
| OPPOSITION | US6470645 |
| OPPOSITION | WO0210589 |
| OPPOSITION | WO0238890 |
| OPPOSITION | WO03069099 |
| OPPOSITION | WO2005021897 |
| SEARCH | BE451404 |
| SEARCH | DE736454 |
| SEARCH | FR2597161 |
| SEARCH | FR901698 |
| SEARCH | WO0238890 |
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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Jun 15, 2023
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Decision to grant a European patent
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English translation of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Mar 21, 2017
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Intention to grant (signatures)
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Mar 21, 2017
Text intended for grant (clean copy)
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Examination started
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Sep 23, 2015
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Letter accompanying subsequently filed items
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Annex
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Oct 17, 2013
Priority search results copy provided by EPO
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Amended claims with annotations
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Sep 17, 2013
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Sep 16, 2013
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Sep 16, 2013
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Apr 8, 2013
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Refund of fees
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Mar 6, 2013
Notification of forthcoming publication
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Mar 1, 2013
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European search opinion
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Mar 1, 2013
European search report
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Feb 7, 2013
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Communication to designated inventor
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Feb 5, 2013
Communication to designated inventor
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Feb 5, 2013
Communication to designated inventor
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Feb 4, 2013
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Letter concerning the inventor
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Jan 24, 2013
Designation of inventor
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Jan 24, 2013
Letter concerning the inventor
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Jan 22, 2013
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Dec 19, 2012
Letter concerning fees and payments
Search/Exam
Dec 19, 2012
Payment of fees and costs
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Dec 14, 2012
Letter concerning fees and payments
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Dec 14, 2012
Payment of fees and costs
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Dec 14, 2012
Payment of fees and costs
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Nov 29, 2012
Deficiency in designation of inventor
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Nov 29, 2012
Invitation to pay claims fees
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Nov 28, 2012
Payment of fees and costs
Search/Exam
Nov 27, 2012
Payment of fees and costs
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Nov 27, 2012
Payment of fees and costs
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Nov 6, 2012
Notice on debiting of fees
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Sep 24, 2012
Abstract
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Sep 24, 2012
Sep 24, 2012
Amended claims with annotations
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Sep 24, 2012
Matter concerning the application
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Sep 24, 2012
Request for grant of a European patent
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Sep 21, 2012
Abstract
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Sep 21, 2012
Amended claims with annotations
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Sep 21, 2012
Claims
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Sep 21, 2012
Description
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Sep 21, 2012
Drawings
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Sep 21, 2012
Matter concerning the application
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Sep 21, 2012
Previously filed application
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Sep 21, 2012
Request for grant of a European patent
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Mar 30, 2005