Content rights management system, content rights management apparatus and method

摘要

PROBLEM TO BE SOLVED: To achieve in-group sharing of a digital content use right.;SOLUTION: This content use right management system includes: a use right acquisition group generation means 0201 generating information about a group performing sharing acquisition when acquiring the use right of a copyright-equipped digital content; a use right acquisition history management means 0202 managing association between a use right acquisition history and the information about the group acquiring the digital content use right; a use right acquisition request reception means 0203 receiving a request transmitted by a user when using the digital content; a use right provision decision means 0204 deciding digital content use right distribution possibility/impossibility to each user belonging to the group; and a use right distribution request transmission means 0205 transmitting a digital content use right distribution request to a digital content copyright distribution device 0110 generating and distributing the digital content use right.;COPYRIGHT: (C)2010,JPO&INPIT