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The patent EP2726883 was granted to Cellestis on May 18, 2022. The application was filed on Jun 27, 2012 under application number EP12804281A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_516/2025 | Jun 10, 2025 | Biomerieux, Biomerieux Deutschland | Counter Claim For Revocation |
| UPC_CFI_497/2025 | Jun 10, 2025 | Biomerieux Deutschland | Counter Claim For Revocation |
| UPC_CFI_181/2025 | Feb 28, 2025 | Qiagen Sciences | Infringement |

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 |
|---|---|---|---|
| BIOMERIEUX | Dec 27, 2018 | CABINET BEAU DE LOMENIE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2012AU00420 |
| DESCRIPTION | US4016043 |
| DESCRIPTION | US4018653 |
| DESCRIPTION | US4424279 |
| DESCRIPTION | WO2005118629 |
| INTERNATIONAL-SEARCH-REPORT | WO2009121845 |
| OPPOSITION | EP1723426 |
| OPPOSITION | US2004141985 |
| OPPOSITION | WO2009121845 |
| OTHER | WO2009121845 |
| OTHER | WO2011075773 |
| SEARCH | WO2009121845 |
| SEARCH | WO2011075773 |
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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Copy of the international search report
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Published international application - A1
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