Patent No. EP1729582 (titled "Use Of Ulvans As Activators Of Plant Defence And Resistance Reactions Against Biotic Or Abiotic Stresses") was filed by AGRO INNOVATION INTERNATIONAL on Mar 30, 2005. The application was issued on Dec 23, 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 |
|---|---|---|
| MELSPRING | Sep 22, 2016 | LAVOIX |
| PROCEDES ROLAND PIGEON | Sep 22, 2016 | LAVOIX |
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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