Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-04-11
2006-04-11
Reagan, James A (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S052000, C705S053000, C705S054000, C705S055000, C705S056000, C705S057000, C705S058000, C705S059000, C705S050000, C380S201000, C707S793000, C707S793000, C713S182000, C713S183000, C713S184000, C713S185000, C713S186000
Reexamination Certificate
active
07028009
ABSTRACT:
An enforceable property right and a system for controlling the manner of use of an item in accordance with usage rights. The enforceable property right includes an item ticket having a security mechanism incorporated therein and specifying an item for which the item ticket can be redeemed and a license associated with the item ticket. The license includes usage rights specifying a manner of use for redeeming the item ticket and a mechanism for unlocking said security mechanism.
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Weber, Robert. Digital Rights Management Technologies. Oct.
Chen Eddie
DeMartini Thomas
Gilliam Charles P.
Lao Guillermo
Raley Michael
ContentGuardiHoldings, Inc.
Kaufman Marc S.
Peabody LLP Nixon
Reagan James A
LandOfFree
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