Patent No. EP2429317 (titled "Compositions Rich In Omega-3 Fatty Acids With A Low Content In Phytanic Acid") was filed by Celavista Pharmaceuticals on Apr 17, 2009. The application was issued on Feb 20, 2019.

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 |
|---|---|---|
| NUA BIOLOGICAL INNOVATIONS | Dec 28, 2016 | JUNCOSA MIRO |
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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