System for providing mobile data security
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 29, 2011
Grant Date -
Jun 5, 2008
app pub date -
Aug 9, 2007
filing date -
Aug 9, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system transfers applications and datasets (files) from a server to a client device and assigns to each file a lease key that will expire at a specified time. A file cannot be accessed unless its lease key is validated. Upon expiration of a lease key, the client device will connect to the server to determine if the lease key may be renewed. If the lease key may be renewed, a new lease key is created and access to the associated application or dataset is restored. If the lease key may not be renewed, the file may be deleted or rendered inaccessible. If rendered inaccessible, the file may be restored in the future without having to re-transmit it from the server to the client device. The server may also revoke a lease key before it expires.
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Cited Art Landscape
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