Patent No. EP3681266 (titled "Methods Of Agricultural Production Of Brassica Carinata Oilseed Crop") was filed by Nuseed Innovation on Sep 10, 2018. The application was issued on Oct 23, 2024.

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 |
|---|---|---|
| BIOALAZOR INNOVACIONES SL NOVARROZ ESPANA | Jul 23, 2025 | ARNOLD & SIEDSMA |
| ELZABURU | Jul 23, 2025 | ELZABURU SLP |
| REPSOL | Jul 23, 2025 | ZBM PATENTS ZEA |
| SAIPOL | Jul 23, 2025 | SANTARELLI |
| ARROWHOUSE | Jul 22, 2025 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
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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