Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2008-09-02
2008-09-02
Worjloh, Jalatee (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S050000, C705S051000, C705S057000, C726S027000, C726S030000, C380S201000, C380S202000, C380S203000
Reexamination Certificate
active
10390837
ABSTRACT:
A method and system are provided for monitoring use of a licensed digital good, such as software, digital audio or video, text, and web pages. Each licensed digital good is associated with a shared resource, such as a record in a remote database in a license server. The shared resource is updated with data, such as a sequence or periodic transmission, from each instance of the licensed digital good when each instance is used. By detecting if the data in the shared resource has experienced a race condition, the use of multiple instances of the licensed digital good is detected. The method and system can also be used to determine a number of unlicensed uses of the digital good for purposes of automatically selling additional licenses.
REFERENCES:
patent: 5790664 (1998-08-01), Coley et al.
patent: 6343280 (2002-01-01), Clark
patent: 6697948 (2004-02-01), Rabin et al.
patent: 6810389 (2004-10-01), Meyer
patent: 2002/0082997 (2002-06-01), Kobata et al.
“Building Secure Software: Race Conditions”,Nov. 2, 2001, Inform IT, pp. 1-12.
Grossman Tucker Perreault & Pfleger PLLC
Worjloh Jalatee
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