Patent No. EP2183453 (titled "Method Of Automatically Unlocking An Opening Member Of A Motor Vehicle For A Hands-Free System, And Device For Implementing The Method") was filed by U Shin France on Aug 21, 2008. The application was issued on May 11, 2016.

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 |
|---|---|---|
| HUF HULSBECK & FURST | Feb 14, 2017 | BALS & VOGEL PATENTANWALTE PARTGMBB |
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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