Patent ID: 8544108

Claim:
A copyright protection system, comprising: a tangible, non-transitory copyright storage medium in which copyright protected contents are recorded; an information recording apparatus for recording the copyright protected contents; a content server connected to the information recording apparatus for providing the copyright protected contents; and a license server handling licenses concerning at least one of recording or playback of the copyright protected contents through a network and providing license data, wherein: the licenses include a unique ID for identifying the tangible, non-transitory copyright storage medium in the license server, when the information recording apparatus is possessed by a prescribed user who has a license of the copyright protection contents, the information recording apparatus copies the copyright protected contents from the content server and pastes the copyright protected contents into the tangible, non-transitory copyright storage medium, when the information recording apparatus is possessed by a user different from the prescribed user, the copyright protected contents are written in the tangible, non-transitory copyright storage medium by combining a domain model which assures playback in the information recording apparatus and a media-bind model, and in the media-bind model, the licenses are written in the tangible, non-transitory copyright storage medium in a format in accordance with a protection method of the tangible, non-transitory copyright storage medium and by using secret data or a secret area of the tangible, non-transitory copyright storage medium.