Patent No. EP2159939 (titled "Base Station Device, Mobile Station Device, Wireless Communication System, Program, Random Access Response Transmitting Method, And Random Access Response Receiving Method") was filed by Sharp Kabushiki Kaisha on Jun 12, 2008. The application was issued on Jan 31, 2018.

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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