System for controlling the distribution and use of digital works
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United States of America Patent
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Jun 17, 2008
Issued Date -
N/A
app pub date -
Aug 8, 2005
filing date -
Nov 23, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method, system and software for securely rendering digital documents, including storing a digital document in a document platform; and storing a usage right associated with the digital document. The usage right specifies a manner of use indicating the manner in which the digital document can be rendered by the document platform. The digital document comprises plural parts of digital content. The usage right includes plural usage rights respectively associated with each of the plural parts of digital content. Whether one of the parts of the digital document may be rendered by the document platform is determined based a respective usage right. If the respective usage right allows the digital document to be rendered on the document platform, the corresponding part of the digital document is rendered by the document platform.
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