Patent No. EP2874860 (titled "Operating System For Operating Functional Units In A Rail Vehicle") was filed by Siemens on Sep 18, 2013. The application was issued on Jun 12, 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 |
|---|---|---|
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | Aug 2, 2017 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE |
| BOMBARDIER TRANSPORTATION | Aug 1, 2017 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
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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