System and method for controlling and enforcing access rights to encrypted media | Patent Number 07200230

US 07200230 B2
Application Number9760956
Publication NumberUS 20010029581 A1
Pendency6 years, 2 months, 19 days
Filled DateJan 15, 2001
Priority DateApr 6, 2000
Publication DateOct 11, 2001
Expiration DateApr 3, 2019
Inventor/ApplicantsChristopher L. Knauft
Christopher L. Knauft
ExaminesTRAN, TONGOC
Art Unit2134
Technology Center2100
Assignments
Index Systems Inc.
Current
Starsight Telecast Inc.
Current
Aptiv Digital Inc.
Current
United Video Properties
Current
Sonic Solutions
Current
Rovi Guides Inc.
Current
Rovi Solutions Corporation
Current
Gemstar Development Corporation
Current
Rovi Technologies
Current
Veveo Inc.
Current
Macrovision
Original
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