Patent No. EP3498262 (titled "Use Of A Gel Of Natural Polysaccharide(S) For The Preparation Of An Injectable Formulation For Treating Joint Degeneration") was filed by Aptissen on Jul 2, 2008. The application was issued on Sep 1, 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 |
|---|---|---|
| LABORATOIRES VIVACY | May 31, 2022 | TRIPOZ |
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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