Patent No. EP4194498 (titled "Rubber Composition And Vehicle Tire") was filed by Continental Reifen Deutschland on Dec 6, 2022. The application was issued on Oct 16, 2024.

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 |
|---|---|---|
| BIRLA CARBON USA | Jul 16, 2025 | DEHNS |
| COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN | Jul 15, 2025 | MFP MICHELIN |
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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