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The patent EP2256579 was granted to GE Grid Solutions on Sep 27, 2017. The application was filed on May 19, 2010 under application number EP10163331A. 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 |
|---|---|---|---|
| SMA SOLAR TECHNOLOGY | Jun 27, 2018 | KLEINE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2104200 |
| OPPOSITION | US2006174939 |
| OPPOSITION | US2008238195 |
| OPPOSITION | US2009121549 |
| OPPOSITION | US5179508 |
| OTHER | EP2104200 |
| SEARCH | US2006174939 |
| SEARCH | US2008238195 |
| SEARCH | US2009121549 |
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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Description
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Appeal
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Notice of appeal
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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Examination started
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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Abstract
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Description
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Designation of inventor
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Request for grant of a European patent
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