Nixon Peabody, LLP
Digital work structure
A digital work and data structure for use within a system for enforcing usage rights associated with digital content, including a description tree file including descriptor blocks organized in a hierarchical manner. The descriptor blocks include usage rights associated with the digital content, and specifying a manner of use of the digital content, a content identifier including a unique identifier of the digital content, and a usage rights portion including the usage rights. The digital content includes plural content portions, and the usage rights portion includes a rights code field including a code indicative of the manner of use of the digital content and a status information field including information relating to a state of the manner of use.
ContentGuard Holdings, Inc.
G H G H H G H Y H H H H H H G H H H H G G H G Y H H H H H H H
G06Q H04L G06F H04L H04L G06Q H04L Y10S H04N H04L H04L H04L H04L H04L G06F H04L H04L H04L H04L G06Q G06F H04L G06F Y10S H04N H04L H04L H04L H04L H04L H04L
inventional inventional inventional inventional additional inventional inventional additional inventional inventional inventional inventional inventional inventional additional inventional inventional inventional inventional inventional additional inventional additional additional inventional inventional inventional inventional inventional inventional inventional
Peter L. T. Mark J.
Pirolli Stefik