Patent ID: 7925539

Claim:
A method for screening transactions using a computer network, the method comprising the steps of: providing a user interface for customer access to an automated seller facility having unrestricted and restricted product categories, the access taking place over a computer network, the user interface allowing a customer to enter customer data to purchase products from the automated seller facility; receiving the customer data comprising an account number, if any, and a product order, specifying a desired product from the customer over the computer network; determining whether the desired product is in the restricted product category, and if so, then checking whether the customer is an authorized buyer of such restricted product; and accepting the product order only if at least one of at least two conditions are satisfied, the at least two conditions comprising: if the customer is an authorized buyer of restricted products and if the desired product is in the unrestricted product category, thereby indicating the customer and the product order have been accepted for purchasing the desired product, and if not, rejecting the product order.