Patent No. EP2476316 (titled "Method For Treating And Preserving Mushrooms") was filed by Sociedad Cooperativa Champinter on Jan 17, 2011. The application was issued on Sep 28, 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 |
|---|---|---|
| AYECUE | Jun 27, 2017 | ISERN PATENTES Y MARCAS SL |
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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