Patent No. EP2073862 (titled "Process And Device For The Preparation Of Platelet Rich Plasma For Extemporaneous Use And Combination Thereof With Skin And Bone Cells") was filed by Regen LAB on Aug 21, 2007. The application was issued on Aug 3, 2016.

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 |
|---|---|---|
| PROMOITALIA GROUP | Sep 12, 2017 | SARPI |
| ESTAR | Feb 27, 2017 | PEARL COHEN ZEDEK LATZER BARATZ UK |
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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