On Tuesdays the USPTO issues new patents. Both of today's Spotlight Patents concern aspects of digital rights management. Assigned to Disney, the first patent addresses techniques for interoperable DRM. Assigned to Samsung, the second patent addresses techniques for processing digital rights objects.
8,190,918, "Interoperable digital rights management," assigned to Disney.
In one aspect, there is provided a storage medium, the storage medium having a media content portion; and a plurality of digital rights management (DRM) envelopes, wherein each of the plurality of DRM envelopes corresponds to a different DRM format; wherein each of the plurality of DRM envelopes enables access to the media content portion according to its corresponding the DRM format. In another aspect, a method includes decrypting a second portion of the media content according to the secondary content access key to impart a marking in the decrypted first portion of the media content identifying the DRM format. In an additional aspect, a method includes presenting a product serial number to obtain an encryption key associated with the DRM format.
8,191,129, "Apparatus and method for processing digital rights object," assigned to Samsung (KR).
An apparatus and a method that transmit and receive a converted format of a digital rights object between a device and a portable storage device. The apparatus for processing a digital rights object includes a transmitting/receiving module for receiving the rights object expressed in a Markup language from a rights issuer, a rights object converting module for converting the rights object into a frame having a format for communicating with a portable storage device, an interface for connecting with the portable storage device, and a control module for providing the frame to the portable storage device through the interface and receiving the converted format of the rights object from the portable storage device through the interface.