Patent No. EP3388307 (titled "Merging Of Infrastructure-Related Data, In Particular Of Infrastructure-Related Data For Railway Vehicles") was filed by Knorr Bremse Systeme FR Schienenfahrzeuge on Apr 10, 2018. The application was issued on Oct 20, 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 |
|---|---|---|
| SIEMENS MOBILITY | Jul 20, 2022 | SIEMENS PATENT ATTORNEYS |
| DEUTSCHE BAHN | Jul 19, 2022 | - |
| TRACK MACHINES CONNECTED GESELLSCHAFT | Jul 18, 2022 | HARMS |
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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