Patent ID: 8089651

Claim:
A right information managing device comprising: a right information storage that associates both old right information and new right information with a target user, and that stores, as first right information showing the right to use of the target user for an information processor, the new right and old right information associated with the target user; a detecting unit that detects a start of a use of the information processor based on the new right information, by the target user; and a use limiting unit that limits the use of the information processor based on the old right information by the target user, in accordance with a result obtained by the detecting unit, wherein the right information storage associates each of a plurality of organizations and second right information showing the right to use of the user belonging to the organizations, and stores the target user associated with both an old organization and a new organization of the plurality of organizations, the old right information is right information associated with the old organization, and the new right information is right information associated with the new organization.