Tuesday the PTO issues new patents. Both of today's Spotlight Patents concerns aspects of digital rights management. Assigned to Intertrust Technologies, the first patent addresses an integrated, modular array of administrative and support services for electronic commerce and electronic rights and transaction management. Assigned to Philips (NL), the second patent addresses techniques for digital rights management, in which access to a piece of content is granted in accordance with a license owned by a license owner to a client who is a member of a domain.
8,590,056, "Trusted infrastructure support systems, methods and techniques for secure electronic commerce electronic transactions and rights management," assigned to Intertrust Technologies.
An integrated, modular array of administrative and support services are provided for electronic commerce and electronic rights and transaction management. These administrative and support services supply a secure foundation for conducting transaction-related capabilities over electronic networks, and can also be adapted to the specific needs of electronic commerce value chains. In one embodiment a Distributed Commerce Utility having a secure, programmable, distributed architecture provides these administrative and support services. The Distributed Commerce Utility may comprise a number of Commerce Utility Systems. These Commerce Utility Systems provide a web of infrastructure support available to, and reusable by, the entire electronic community and/or many of its participants. Different support functions can be collected together in hierarchical and/or networked relationships to suit various business models or other objectives. Modular support functions can be combined in different arrays to form different Commerce Utility Systems for different design implementations and purposes.
8,595,853, "DRM system," assigned to Philips (NL).
A method of and system for digital rights management, in which access to a piece of content is granted in accordance with a license owned by a license owner to a client who is a member of a domain. This requires successfully verifying that a membership relation exists between the client and the domain as reflected in a first state variable, and that an association relation exists between the license owner and the domain as reflected in a second state variable. Both relationships are revoked by executing an online protocol between the parties in the relationship after which both remove the corresponding state variable. The domain controller propagates the state administration relating to the domain is propagated to the client so that the client can update its state administration.