Patent No. EP3292031 (titled "Method For Operating A Parking Brake System For Utility Vehicles, And Device Therefor") was filed by Knorr Bremse Systeme FR Nutzfahrzeuge on Apr 29, 2016. The application was issued on Jun 22, 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 |
|---|---|---|
| WABCO EUROPE BVBA | Nov 27, 2019 | SCHILLER |
| ZF CV SYSTEMS EUROPE | Nov 27, 2019 | EISENFUHR SPEISER |
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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