Digital data selling and buying transaction system, auxiliary digital data selling and buying system, digital data selling and buying transaction method, auxiliary digital data selling and buying method, and digital data selling and buying transaction apparatus
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United States of America Patent
Stats
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May 18, 2010
Grant Date -
Jul 31, 2008
app pub date -
Mar 19, 2008
filing date -
May 8, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Auxiliary digital data is sold and bought. A process for selling auxiliary digital data is performed with respect to a process for cancelling a limitation of use of the digital data. A process for buying the auxiliary digital data is performed. A process for receiving a selling request and a buying request is performed, and selling and buying transactions are concluded. The process of selling, the process of buying, and the process of selling and buying are each performed by transmitting and receiving data through a communication network.
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