New patents are issued by the USPTO on Tuesdays. This week's Spotlight Patents concern aspects of digital rights management. Assigned to Wire I.P, (IE), the first patent addresses techniques for controlling access to copyrighted data. Assigned to Concurrent Computer Corporation, the second patent addresses techniques for hierarchical key management for digital rights management.
9,875,371, "System and method related to DRM," assigned to Wire I.P. Limited (IE).
A system for controlling access to copyrighted data comprises, at least: a plurality of users having computers, each computer being assigned a unique identity and each computer being configured for communicating with external units via a core network; a core network operated by a telecommunications organization; an access handler configured to communicate with the computers via the core network and a communication interface configured for routing incoming data traffic to a first database; wherein the first database includes at least one table, in which table the unique identities of the computers are associated with access rights for each one of the unique identities, and the first database is configured to communicate with a second database and a third database/server; the second database includes copyrighted data material, and the second database is further configured to communicate via the core network with the computers for transferring requested copyrighted data material.
9,876,991, "Hierarchical key management system for digital rights management and associated methods," assigned to Concurrent Computer Corporation
An intermediate server (104) is operable in a distributed key management system (300). The intermediate server comprises one or more processors (205) and an intermediate key material repository (302) to store digital rights management key material. The intermediate server can be operable in the system between a master server (101) and a local server (106), with the local server to deliver content (108) to one or more subscriber devices (109,110). The intermediate server, or optionally a management system (117) can pre-populate the intermediate key material repository with one or key material (1005) corresponding to fragments (1001) of the content prior to the fragments of content being requested by the one or more subscriber devices.