Patent ID: 6895392
Filing Date: 2005-05-17
Classification: G06F,G06Q,H04L,H04N,Y10S

Abstract:
1. A system for associating usage rights with digital content, said system comprising: means for electronically creating usage rights from a grammar, said usage rights specifying a manner of use indicating one or more stated purposes for which the digital content can be at least one of used and distributed by an authorized party; means for electronically associating the usage rights with the digital content; means for electronically processing a usage transaction specifying the usage rights to determine if access to the digital content can be granted; and means for electronically storing said usage rights in a non-centralized repository, wherein the usage rights also specify one or more conditions which must be satisfied before the manner of use may be exercised, said means for creating comprises means for selecting one or more symbols from a first set of predetermined symbols to define a valid sequence of symbols to indicate the manner use, said means for creating comprises means for selecting symbols from a second set of predetermined symbols to define a valid sequence of symbols to indicate the conditions, said means for creating comprises means for designating a set of default conditions, and said means for creating further comprises means for changing the default set of conditions.