Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2005-10-11
2005-10-11
Trammell, James P. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S001100, C705S050000, C705S051000, C705S054000, C713S152000, C713S152000, C380S200000, C380S201000, C380S202000, C380S203000, C380S204000
Reexamination Certificate
active
06954738
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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International Search Report Dated Feb. 11, 2004.
International Search Report Dated Feb. 13, 2004.
Chen Eddie
DeMartini Thomas
Gilliam Charles P.
Lao Guillermo
Raley Michael
Abdi Kambiz
ContentGuard Holdings Inc.
Kaufman Marc S.
Nixon & Peabody LLP
Trammell James P.
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