Nixon Peabody, LLP
Digital work structure
A digital work for use within a rights management system for controlling use of the digital work in accordance with usage rights. The work is organized into an acyclic structure and includes a contents file including information related to content that can be interpreted by an interpreter, and a description tree file including descriptor blocks organized in a hierarchical manner. At least some of the descriptor blocks contain usage rights associated with the content. The usage rights specify a manner of use for the content.
ContentGuard Holdings, Inc.
H H H H H H H G Y G G H H H H H G H H H H H G H Y G H H H G H
H04L H04L H04L H04L H04L H04L H04L G06F Y10S G06Q G06F H04L H04N H04L H04L H04L G06F H04L H04L H04N H04L H04L G06F H04L Y10S G06Q H04L H04L H04L G06Q H04L
inventional inventional inventional inventional inventional inventional additional additional additional inventional additional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional additional inventional additional inventional inventional inventional inventional inventional inventional
Mark J. Peter L. T.
Stefik Pirolli