License management methods and systems

Details License management methods and systems License management methods and systems

G - Physics

06

F

354/230

G06F 12/14 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01)

Patent

CA 1310425

ABSTRACT OF THE DISCLOSURE License management systems and methods allow licenses for a computer program to be available for use at each of a plurality of nodes of a network. If a valid license file at a local node contains an unexpired, available license, a license manager at the local node permits the computer program to be executed at the requesting local node. If no such license is available in a valid license file at such local node, the license manager searches the other nodes for a valid license file containing an unexpired, available license. In one embodiment, if an unexpired available license is located in a valid license file at a second for "remote") node, the license manager transfers such license to the local node, and assigns and encrypts a unique identification to such transferred license. The original record of the transferred license is modified by erasing it from the license file at the remote node so that the transferred license is no longer available there. In a second embodiment, the license manager modifies the license file to indicate use of the license at the local node without such transfer. The number of copies of the computer program that are authorized for execution simultaneously on the network is thus limited to the number of licenses that have been loaded into the license files on the network.

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