Patent No. EP3352560 (titled "Method For Enhancing Crop Performance In Brassica") was filed by Basf Agricultural Solutions Seed on Sep 16, 2016. The application was issued on Jan 20, 2021.

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 |
|---|---|---|
| ZWICKER SCHNAPPAUF & PARTNER | Oct 19, 2021 | ZWICKER |
| KWS SAAT | Oct 18, 2021 | GRUNECKER |
| KWS SAAT | Oct 18, 2021 | GRUNECKER PATENT |
| VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | Oct 14, 2021 | VOSSIUS & PARTNER |
| VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | Oct 14, 2021 | 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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