Importance

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Abstract

A content usage management system includes a terminal device using content as digital production and a server device managing usage of the content on the terminal device. The server device includes a license information memory unit that memorizes license information indicating a usage rule of the content based on a user of the terminal device, and a license ticket issuance unit that generates a license ticket as right information indicating a part or all of a usage rule on the license information corresponding to the user based on a request from the user. The terminal device includes a requesting unit that requests usage of the content to the server device according to the user's designation, a receiving unit that receives the license ticket sent from the server device, and a content usage control unit that controls usage of the content according to the usage rule indicated on the received license ticket. The requesting unit makes a request by sending expected information indicating content to be requested and a usage volume of the content, and the license ticket issuance unit generates a license ticket according to the expected information sent from the requesting unit and sends the license ticket to the terminal device.

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First Claim