Patent ID: 6925448
Filing Date: 2005-08-02
Classification: G06F,G06Q,H04L,H04N,Y10S

Abstract:
1. A digital work recorded on a computer-readable media for use within a system having at least one non-centralized repository for enforcing use of digital content in accordance with usage rights associated with the digital content, said digital work comprising one or more computer-readable instructions for causing one or more computer processors to perform the steps of: electronically recording digital content on a first media portion and the digital content being capable of being rendered by a rendering engine; and electronically recording usage rights on a second media portion and the usage rights being associated with said digital content, said usage rights specifying a manner of use as to how a non-centralized repository will permit use of the digital content, said usage rights including symbols selected from a set of predetermined symbols which define a valid sequence of symbols that are interpreted by the non-centralized repository to indicate the manner of use for enforcing use of digital content, wherein said usage rights also specify one or more conditions which must be satisfied before the manner of use may be exercised, said conditions include symbols selected from a set of predetermined symbols to define a valid sequence of symbols that are interpreted by the non-centralized repository to indicate the conditions, the manner of use can include means for specifying how an authorized party is able to render the digital content, how an authorized party can permit the digital content to be used to create a new digital work, how an authorized party is able to make a back-up copy of the digital content, how an authorized party is able to conceal the digital content on a device on which the digital content is stored, and how an authorized party is able to delete the digital content from a device on which the digital content is stored, and the usage rights identify rendering devices upon which the digital content is authorized to be rendered.