System and method for supplying and managing usage rights based on rules
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United States of America Patent
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Apr 17, 2007
Grant Date -
Feb 19, 2004
app pub date -
Jun 3, 2003
filing date -
Jan 17, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for enforcing rights expressions specifying manners of use of an item, include specifying by a potential recipient of an item a first rights expression indicating a first manner of use of the item proposed by the recipient; specifying by a provider of the item a second rights expression indicating a second manner of use of the item proposed by the provider; determining if there is a correspondence between the first rights expression and the second rights expression; and applying a rule to a determined correspondence between the first rights expression and the second rights expression to determine if the recipient should be granted use of the item.
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