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The patent EP2573896 was granted to GE Energy Power Conversion Technology on Mar 1, 2017. The application was filed on Sep 21, 2011 under application number EP11007692A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ENERCON | Dec 1, 2017 | EISENFUHR SPEISER | ADMISSIBLE |
| SMA SOLAR TECHNOLOGY | Dec 1, 2017 | - | ADMISSIBLE |
| NORDEX ENERGY | Nov 29, 2017 | HAUCK | ADMISSIBLE |
| NORDEX ENERGY | Nov 29, 2017 | HAUCK PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1780860 |
| OPPOSITION | EP1887674 |
| OPPOSITION | EP2139090 |
| OPPOSITION | EP2224570 |
| OPPOSITION | EP2362521 |
| OPPOSITION | US2008179887 |
| OPPOSITION | US2010090532 |
| OPPOSITION | US2010127664 |
| OPPOSITION | US2010138058 |
| OPPOSITION | US2010138070 |
| OPPOSITION | US2010156348 |
| OPPOSITION | US2010213763 |
| OPPOSITION | US2011074151 |
| OPPOSITION | WO2006086015 |
| OPPOSITION | WO2007104167 |
| OPPOSITION | WO2010042190 |
| SEARCH | EP2139090 |
| SEARCH | JP2000175360 |
| SEARCH | JP2011078313 |
| SEARCH | US2010090532 |
| SEARCH | US2010138070 |
| SEARCH | US2011074151 |
| SEARCH | US2011137481 |
| SEARCH | WO2010108910 |
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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Search/Exam
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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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Communication from the Examining Division
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Claims
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Annex to the communication
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Mar 7, 2014
Communication from the Examining Division
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Mar 3, 2014
Examination started
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Oct 14, 2013
Refund of fees
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Amended claims with annotations
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European search report
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Letter concerning the inventor
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Abstract
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Sep 21, 2011
Claims
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Sep 21, 2011
Description
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Sep 21, 2011
Designation of inventor
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Sep 21, 2011
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Request for grant of a European patent
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