Patent No. EP2292736 (titled "Identification And Insolation Of Multipotent Cells From Non-Osteochondral Mesenchymal Tissue") was filed by Cellerix on Oct 4, 2005. The application was issued on Jan 21, 2015.

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 |
|---|---|---|
| PLOUGMANN VINGTOFT | Oct 21, 2015 | PLOUGMANN VINGTOFT |
| MÜLLER, CHRISTIAN | Oct 21, 2015 | - |
| STROM & GULLIKSSON | Aug 31, 2015 | STROM & GULLIKSSON |
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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