Patent No. EP2567120 (titled "Torque Transmission Assembly, In Particular Hydrodynamic Torque Converter, Fluid Coupling Or Wet-Running Clutch") was filed by ZF Friedrichshafen on Mar 31, 2011. The application was issued on Mar 18, 2015.

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 |
|---|---|---|
| LINKE | Dec 18, 2015 | VIERING |
| VALEO EMBRAYAGES | Dec 18, 2015 | VALEO POWERTRAIN SYSTEMS |
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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