Patent No. EP3953163 (titled "Solid Tyre Made Of Elastomer Material For A Roller Of A Cable Railway") was filed by Compagnie Gnrale DES Etablissements Michelin on Apr 9, 2020. The application was issued on Oct 11, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| SEMPERIT HOLDING | Jul 10, 2024 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC |
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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