Patent No. EP2332801 (titled "Emergency Actuation Device For A Vehicle, In Particular A Rail Vehicle") was filed by Bombardier Transportation on Dec 9, 2010. The application was issued on Jan 26, 2022.

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 |
|---|---|---|
| GEBR BODE | Aug 2, 2017 | PATENTANWALTE BAUER VORBERG KAYSER |
| KNORR BREMSE | Jul 31, 2017 | AURIGIUM LEISCHNER & LUTHE |
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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