Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Reexamination Certificate
2005-09-13
2005-09-13
Smithers, Matthew (Department: 2137)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
C705S059000
Reexamination Certificate
active
06944776
ABSTRACT:
A system and method for data rights management across multiple data rights management architectures is disclosed. The system and method solves the problems posed by multiple incompatible data rights management architectures. In particular, a data rights management clearing house is provided that generates permits, permit classes, and enables content packaging across multiple data rights management architectures. Consumers may acquire rights to content packaged with different data rights management architecture from the single data rights management clearing house. Additionally, the system and method enables content packagers to package content with multiple data rights management architectures. Finally, the data rights management clearing house provides consumers with a single location from which to manage data access rights and restore data access rights that have been lost.
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Sharma Ranjiv K.
Klarquist & Sparkman, LLP
Microsoft Corporation
Smithers Matthew
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