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The patent EP2712962 was granted to Luther on Mar 2, 2022. The application was filed on Jul 25, 2013 under application number EP13177998A. 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 |
|---|---|---|---|
| ADOLF NISSEN ELEKTROBAU | Jan 9, 2019 | SEEMANN & PARTNER PATENTANWALTE MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202011104387U |
| EXAMINATION | EP1162315 |
| OPPOSITION | DE102007048304 |
| OPPOSITION | DE102007059873 |
| OPPOSITION | DE202010001863U |
| OPPOSITION | DE202011104387U |
| OPPOSITION | DE202012003240U |
| OPPOSITION | DE202012004889U |
| OPPOSITION | EP0462307 |
| OPPOSITION | EP0472847 |
| OPPOSITION | EP0641892 |
| OPPOSITION | EP1162315 |
| OPPOSITION | EP1418274 |
| OPPOSITION | EP1693519 |
| SEARCH | DE102007059873 |
| SEARCH | DE202011104387U |
| SEARCH | DE202012003240U |
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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