Patent ID: 7174567

Claim:
A digital rights management method comprising: embedding biometric data of at least one authorized user of a digital multimedia product into the digital multimedia product to thereby control use of the digital multimedia product by a prospective user who obtains access to the digital multimedia product; determining whether additional users will be authorized for the digital multimedia product; embedding an indicator that corresponds to a number of additional users who may be authorized for the digital multimedia product, into the digital multimedia product; storing the digital multimedia product, including the biometric data of the at least one authorized user and the indicator that are embedded therein, in a digital storage medium; embedding biometric data of an additional user of the digital multimedia product into the digital storage medium in response to the indicator that is stored in the digital storage medium indicating that at least one additional user of the digital multimedia product may be authorized; decrementing the indicator in response to the embedding of the biometric data of the additional user of the digital multimedia product into the digital storage medium; and embedding the decremented indicator into the digital storage medium.