Patent ID: 6223291
Filing Date: 2001-04-24
Classification: G06F,G06Q,H04L

Abstract:
A wireless electronic commerce system comprising:a wireless gateway to a wireless network with which a wireless client device having a unique client identifier is capable of communicating; andat least one server coupleable to the wireless gateway, delivering content items to the wireless client device and maintaining digital content certificates for content items, the digital content certificates establishing that the content items are available on the wireless client device and digital license certificates for licenses for the content items to enable only a specified device to operate a specified content item such that the digital license certificate can be used only by the specified device and no other device,wherein the at least one server maintains, for each wireless client device associated with the system, a record of the licenses for the content items available on that wireless client device and a record of the content items associated with each of the licenses, the record of the licenses and the record of the content items enabling content item license verification on the wireless client device.