Wave Systems Corp. (fka WAVXQ)

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OT: Title: System for controlling the distribution and use of digital works using digital tickets
Document Type and Number:
United States Patent 7664708

http://www.freepatentsonline.com/7664708.html

Abstract:
A method, system and software for controlling the number of times that a usage right associated with a digital work can be exercised, including creating a digital work; determining a usage right for the digital work, the usage right specifying a digital ticket, the digital ticket indicating a number of times the usage right may be exercised; requesting access to the digital work including an identification of the usage right; determining the validity of the usage right based on a number of times the digital ticket has been used; granting or denying access to the digital work based on the result of the determining step; and updating the digital ticket if access to the digital work is granted.


Inventors:
Stefik, Mark J. (Portola Valley, CA, US)
Pirolli, Peter L. T. (San Francisco, CA, US)
Application Number:
11/240569
Publication Date:
02/16/2010
Filing Date:
10/03/2005
http://www.freepatentsonline.com/7664708.html