Patent No. EP2892324 (titled "Automatic Cleaning System And Method For Cleaning/Treating Teats Of A Dairy Animal") was filed by Hatzack on Sep 2, 2013. The application was issued on May 24, 2023.

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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