Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 1, 2008
Patent Application Number
10427433
Date Filed
April 30, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and apparatus, including computer program products, implement techniques for repurposing digital information. One or more repurposing constraints are associated with information in an electronic document. A digital signature is associated with the repurposable information and the repurposing constraints. The repurposable information can be repurposed and represented as signed information subject to the repurposing constraints.
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