Patent No. EP4055520 (titled "Neural Network For Bulk Sorting") was filed by Tomra Sorting on Nov 4, 2020. The application was issued on Jan 1, 2025.

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 |
|---|---|---|
| OPTIMUM | Oct 1, 2025 | CALLEWAERT |
| EVK DI KERSCHHAGGL | Sep 30, 2025 | NEUHOLD |
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV | Sep 30, 2025 | PFENNING |
| SESOTEC | Sep 16, 2025 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB |
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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