Patent ID: 7650313
Filing Date: 2010-01-19
Classification: G06Q

Abstract:
1. A method for allowing a provisioning agent to remotely manage security for the wireless conduct of a microbilling purchase transaction for a product or service between an electronic certificate writer located in a portable wireless device under control of an individual purchaser engaging in the transaction and a certificate collector at the location of a vendor providing the product or service, and for determining the liability of the provisioning agent for such transactions, comprising the steps of: the provisioning agent transmitting over a communication channel in advance of a proposed purchase transaction: after the first and second digital certificates have been transmitted to the vendor and to the portable wireless device by the provisioning agent, wirelessly completing a purchase transaction between the portable wireless device and the vendor by performing the steps of: the provisioning agent assuming payment liability to the vendor for purchase transactions completed by the vendor that are within the first and second specifications of limited transactions authorized by the provisioning agent and contained in the first and second digital certificates issued by the provisioning agent.