Patent No. EP3143861 (titled "Agricultural Mower And Trailer And Method For Operating The Mower") was filed by Claas Saulgau on Sep 13, 2016. The application was issued on Jun 8, 2022.

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.
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