Patent ID: 8321323
Filing Date: 2012-11-27
Classification: G06Q

Abstract:
1. A method comprising: determining, by a computer system of an electronic marketplace, a number; counting, by the computer system of the electronic marketplace, the number of received first indications, in which each first indications indicates a respective first order, in which each first order defines a respective first trade; querying, by the computer system of the electronic marketplace, a plurality of participants regarding the first orders; after receiving the number of first indications, receiving, by the computer system of the electronic marketplace, a second indication of a second order, in which the second order defines a second trade; constraining, by the computer system of the electronic marketplace in response to having counted the number of first indications before the second indication, a cancellation of the second order for a period of time; querying, by the computer system of the electronic marketplace, the plurality of participants for an acceptance to enter into the second trade; and allowing, by the computer system of the electronic marketplace, the cancellation of the second order after the period of time if an acceptance to enter into the second trade is not identified during the period of time.