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The patent EP2843155 was granted to Flooring Industries on Jul 20, 2022. The application was filed on Mar 22, 2007 under application number EP14188952A. 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| WINDMOLLER | Dec 19, 2018 | KBN | INTERVENTION WITHDRAWN |
| PATENTWERK | Jan 4, 2018 | PATENTWERK | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10138285 |
| DESCRIPTION | DE102004012582 |
| DESCRIPTION | DE20310959U |
| DESCRIPTION | EP1441086 |
| DESCRIPTION | EP1650375 |
| DESCRIPTION | WO0196689 |
| DESCRIPTION | WO0198604 |
| DESCRIPTION | WO03016655 |
| DESCRIPTION | WO2004063491 |
| DESCRIPTION | WO2005002817 |
| DESCRIPTION | WO2005033204 |
| DESCRIPTION | WO2005054599 |
| DESCRIPTION | WO2005098163 |
| DESCRIPTION | WO2006042148 |
| DESCRIPTION | WO9747834 |
| OPPOSITION | DE102004001363 |
| OPPOSITION | DE19944399 |
| OPPOSITION | EP2843155 |
| OPPOSITION | US2005192382 |
| OPPOSITION | US2006260253 |
| OPPOSITION | US6880307 |
| OPPOSITION | WO0047841 |
| OPPOSITION | WO0063510 |
| OPPOSITION | WO0102670 |
| OPPOSITION | WO0175247 |
| OPPOSITION | WO2005054600 |
| OPPOSITION | WO2006033706 |
| OPPOSITION | WO2006125306 |
| OPPOSITION | WO2006133690 |
| SEARCH | DE102004001363 |
| SEARCH | EP1650375 |
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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