Patent No. EP3812239 (titled "Computer-Assisted Platform For Representing A Rail Infrastructure And Method For Operating The Same") was filed by Siemens Mobility on Oct 21, 2019. The application was issued on Oct 4, 2023.

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 |
|---|---|---|
| DEUTSCHE BAHN | Jul 4, 2024 | - |
| DRUM DYNAMIC RAIL UTILITIES MONITORING | Jun 25, 2024 | BURGSTALLER |
| DRUM DYNAMIC RAIL UTILITIES MONITORING | Jun 25, 2024 | 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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