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The patent EP2588311 was granted to Spanolux DIV Balterio on Mar 25, 2020. The application was filed on Jun 30, 2011 under application number EP11728282A. 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 |
|---|---|---|---|
| WINDMOLLER | Feb 2, 2018 | KBN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1847385 |
| INTERNATIONAL-SEARCH-REPORT | EP2269814 |
| INTERNATIONAL-SEARCH-REPORT | US2004242095 |
| INTERNATIONAL-SEARCH-REPORT | US4514258 |
| INTERNATIONAL-SEARCH-REPORT | WO2007086632 |
| INTERNATIONAL-SEARCH-REPORT | WO2008122668 |
| OPPOSITION | DE102004035011 |
| OPPOSITION | DE102004039505 |
| OPPOSITION | DE102006048471 |
| OPPOSITION | DE1653161 |
| OPPOSITION | EP1792698 |
| OPPOSITION | EP1847385 |
| OPPOSITION | EP1938963 |
| OPPOSITION | EP2269814 |
| OPPOSITION | EP2339092 |
| OPPOSITION | JP2010059611 |
| OPPOSITION | US2004242095 |
| OPPOSITION | US2009029097 |
| OPPOSITION | US4514258 |
| OPPOSITION | WO0100406 |
| OPPOSITION | WO0181056 |
| OPPOSITION | WO2005072957 |
| OPPOSITION | WO2005123380 |
| OPPOSITION | WO2007052885 |
| OPPOSITION | WO2007086632 |
| OPPOSITION | WO2008122668 |
| OPPOSITION | WO2010023042 |
| OPPOSITION | WO2011141849 |
| OPPOSITION | WO9926773 |
| OPPOSITION | WO9932285 |
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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