Licensing management system and method in which datagrams including an address of a licensee and indicative of use of a licensed product are sent from the licensee's site
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United States of America Patent
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Aug 17, 1999
Issued Date -
N/A
app pub date -
Jun 29, 1992
filing date -
Jul 1, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A license management system and method for recording the use of a licensed product, and for controlling its use in accordance with the terms of the license. A licensed product invokes a license check monitor at regular time intervals. The monitor generates request datagrams which identify the licensee and the product and sends the request datagrams over a communications facility to a license control system. The license control system maintains a record of the received datagrams, and compares the received datagrams to data stored in its licensee database. Consequently, the license control system transmits reply datagrams with either a denial or an approval message to the monitor. The monitor terminates further use of the product if it receives a denial message. The monitor generates its own denial message if its request datagrams are unanswered after a predetermined interval of time. The datagrams are counted at the control system to provide billing information.
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