Patent No. EP3681772 (titled "Service And Emergency Braking Control System For At Least One Railway Vehicle") was filed by Faiveley Transport Italia on Sep 12, 2018. The application was issued on Nov 10, 2021.

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 |
|---|---|---|
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | Aug 8, 2022 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE |
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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