Patent No. EP3973206 (titled "Friction Brake Body For A Friction Brake, Friction Brake And Method For Producing A Friction Brake Body") was filed by Breyden on May 15, 2020. The application was issued on Feb 28, 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 |
|---|---|---|
| FRITZ WINTER EISENGIESSEREI | Nov 28, 2024 | COHAUSZ & FLORACK |
| NAGEL MASCHINEN UND WERKZEUGFABRIK | Nov 27, 2024 | PATENTANWALTE RUFF |
| SHW BRAKE SYSTEMS | Nov 27, 2024 | SSM SANDMAIR |
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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