Patent ID: 7953667

Claim:
A method for detecting fraudulent activity in a pay-per-click system, comprising: (a) providing a search engine on a server side; b) receiving, at said server side, a search request from a client; c) generating a unique code on the server side, for identifying said client; d) transmitting said code to said client from the server side; e) transmitting to said client from the server side, in response to said search request, a plurality of links associated with a plurality of websites associated with a plurality of merchants; f) generating website information regarding a website selected by the client when said client clicks one of said plurality of links; g) transmitting said code and said website information together from said client to said server side; h) receiving said code and said website information at the server side, and detecting fraudulent activity by measuring the duration between clicks by said client to said selected website by examining said code and website information.