Patent ID: 6934693
Filing Date: 2005-08-23
Classification: G06F,G06Q,H04L,H04N,Y10S

Abstract:
1. A method for securely rendering digital documents comprising: storing a digital document in a document platform; storing at least one usage right associated with said digital document, said at least one usage right specifying a manner of use indicating the number of times the digital document can be rendered by said document platform; determining whether said digital document may be rendered by said document platform based on at least said at least one usage right; and if said at least one usage right allows said digital document to be rendered on said document platform, rendering said digital document by said document platform, wherein said digital document comprises plural sections of digital content and said at least one usage right includes plural usage rights respectively associated with each of said plural sections of content, and each of said sections of digital content and a corresponding usage right define a layer of said digital document that is separately accessible.