Patent ID: 7103663

Claim:
A license management server device for managing content usage on a terminal device, the license management server device comprising: a license information storage unit operable to store license information indicating a usage rule of a content for each terminal device or user; a usage restriction information management unit operable to acquire from a first terminal device or a first user an instruction to put a restriction on content usage on a second terminal device or by a second user, and usage restriction information indicating details of the restriction, and hold the usage restriction information; and a ticket issuance unit operable to acquire an instruction to request the content usage from the second terminal device or the second user, generate a license ticket that is information for permitting the content usage on the second terminal device or by the second user, under a usage rule with the restriction indicated by the usage restriction information which is held in the usage restriction information management unit, and send the license ticket to the second terminal device or the second user.