Patent No. EP2085093 (titled "Preparation Containing Highly Purified Botulinum Toxin Type A Derived From Infant Botulism Pathogen") was filed by Juridical Foundation on Oct 26, 2007. The application was issued on Feb 25, 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 |
|---|---|---|
| IPSEN PHARMA | Nov 24, 2015 | CABINET PLASSERAUD |
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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