Patent No. EP3325502 (titled "New Species Of Tobamovirus") was filed by Nunhems on Jul 13, 2016. The application was issued on Jun 17, 2020.

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 |
|---|---|---|
| RIJK ZWAAN ZAADTEELT EN ZAADHANDEL | Mar 17, 2021 | ARNOLD & SIEDSMA |
| RIJK ZWAAN ZAADTEELT EN ZAADHANDEL | Mar 17, 2021 | VAN SOMEREN |
| ENZA ZADEN BEHEER | Mar 16, 2021 | HOPFNER |
| VILMORIN & CIE | Mar 16, 2021 | ERNEST GUTMANN YVES PLASSERAUD |
| SYNGENTA CROP PROTECTION | Mar 15, 2021 | HGF |
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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