Information processing apparatus and method, and data...

Details Information processing apparatus and method, and data... Information processing apparatus and method, and data...

2007-12-18

2010-12-14

Elisca, Pierre E. (Department: 3714)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C705S051000, C705S052000, C705S067000, C726S026000, C713S153000

Reexamination Certificate

active

07853532

ABSTRACT:
A client obtains license information. The client has a client module for using content under conditions defined in the license information. When the client module is updated and a new function is added, the client obtains updating license information including permission of the new function. The client is allowed to use the content under the conditions defined in the previous license information and the conditions defined in the updating license information without obtaining new rights information for the updated client module.

REFERENCES:
patent: 7010808 (2006-03-01), Leung et al.
patent: 7165174 (2007-01-01), Ginter et al.
patent: 7260556 (2007-08-01), Stefik
patent: 7395245 (2008-07-01), Okamoto et al.
patent: 2003/0140009 (2003-07-01), Namba et al.
patent: 2005/0049976 (2005-03-01), Yang
patent: 2005/0144140 (2005-06-01), Nagao
patent: 2006/0089912 (2006-04-01), Spagna et al.

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