Patent ID: 7225148

Claim:
A control system for controlling an Internet-based on-line commercial transaction, the system comprising: a first computer system supporting a user terminal; a second computer system supporting an Internet website, wherein a communication session is established over a communication network between the Internet web site supported by the second computer system and the user terminal supported by the first computer system; a request receiving module that is structured to receive a request from the user terminal for at least one sellable offered for sale on the Internet web site; a shopping session module structured to set up and control a shopping session between the Internet web site and the user terminal that is established as part of the communication session and substantially when the request receiving module receives the request from the user terminal; a user event receiving module structured to receive a user termination event indication that indicates the user's attempt to terminate the shopping session prior to the user providing a commitment to purchase the at least one sellable; and a notification providing module structured to prevent the user from terminating the shopping session and to provide a notification in the shopping session to the user substantially immediately after the user termination event indication is received, and to refrain from providing the notification if the user has committed to purchase the at least one sellable, wherein the notification is formatted to prompt the user to maintain the shopping session and to purchase the at least one sellable, wherein the request receiving module, the shopping session module, the user event receiving module and the notification providing module are operable on at least one of the first or second computer systems.