Patent No. EP3868626 (titled "Passenger Transport Vehicle") was filed by Alstom on May 24, 2017. The application was issued on May 1, 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 |
|---|---|---|
| SIEMENS MOBILITY | Jan 30, 2025 | SIEMENS HEALTHINEERS PATENT ATTORNEYS |
| STADLER RAIL | Jan 28, 2025 | HEPP WENGER RYFFEL |
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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