Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-06-20
2006-06-20
Eddy, Elisca Pierre (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S071000, C713S165000
Reexamination Certificate
active
07065507
ABSTRACT:
A rendering application on a computing device requests a digital rights management (DRM) system on the computing device to authorize digital content rendering based on a corresponding digital license. If unavailable, the DRM system attempts to silently acquire the license from a license server without the intervention of a user. In the course thereof, the rendering application receives status information from the DRM system relating to the attempted license acquisition thereby and displays the received status information in a rendering application status display portion. If silent acquisition fails, the rendering application hosts a browser, causes the browser to navigate to a license server, allows a user to communicate with the license server by way of the hosted browser to acquire the license, and shuts down the hosted browser upon reception of the license from the license server.
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Lavana, H., et al., “Internet-based Workflows: A Paradigm for Dynamically Reconfigurable Desktop Environments”; International ACM SIGGROUP Conference on Supporting Group Work, Group '97, Hayne, S., et al. (Eds.), Nov. 16-19, 1997, pp. 204-213.
Ganesan Krishnamurthy
McKune Jeffrey R.
Mohammed Sohail Baig
Olson Kipley J.
Eddy Elisca Pierre
Microsoft Corporation
Woodcock & Washburn LLP
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