Patent No. EP2304261 (titled "Method For Producing A Brake Caliper, Machining Tool For Carrying Out The Method, Brake Caliper Produced Using The Method, And Disk Brake Having A Caliper Of Said Type") was filed by Wabco Europe Bvba on Jul 23, 2009. The application was issued on Nov 29, 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 |
|---|---|---|
| KNORR BREMSE SYSTEME FUR NUTZFAHRZEUGE | Dec 8, 2016 | SPECHT |
| BPW BERGISCHE ACHSEN | Dec 7, 2016 | DREISS PATENTANWALTE PARTG 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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