Patent No. EP2806914 (titled "A System And Method For Obtaining A Cellular Sample Enriched With Defined Cells Such As Platelet Rich Plasma(Prp)") was filed by Estar on Jan 23, 2013. The application was issued on Sep 22, 2021.

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 |
|---|---|---|
| REGEN LAB | Dec 10, 2021 | VALET PATENT SERVICES |
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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