Patent No. EP3658288 (titled "Method To Operate A Grinder During Production") was filed by GEA Food Solutions Bakel on Jul 11, 2018. The application was issued on Sep 1, 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 |
|---|---|---|
| MAREL SALMON | Jun 1, 2022 | INSPICOS PS |
| MASCHINENFABRIK SEYDELMANN | Jun 1, 2022 | PATENTANWALTE SCHUSTER |
| SCANSTEEL FOODTECH APS | Jun 1, 2022 | NORDIC PATENT SERVICE |
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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