METHOD FOR DETECTING DUPLICATED INSTANCES OF A SOFTWARE LICENSE
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United States of America Patent
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N/A
Issued Date -
Aug 28, 2008
app pub date -
Feb 22, 2007
filing date -
Feb 22, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for issuing and updating a software program license for a computer, with a unique identifier data object embedded in the computer and referenced by the license. The unique identifier may also be used with a conventional computer fingerprint. The software program does not run on a computer without a license that references the unique identifier. The license is issued via a server over a network (such as the Internet) and must be regularly updated by the server. When updating, the present unique identifier is sent to the server, to verify that the unique identifier is the latest unique identifier issued for that license. If an unauthorized copy is made for operation on an unlicensed computer, such as by cloning the licensed computer, this is detected when the second computer is updated, because the unique identifier sent with the update request is no longer current.
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