LEGAL MECHANISMS TO ECONOMIC DEVELOP OF COMMERCIAL LEGITIMATE COMPETITION IN EUROPEAN UNION AND IRAN CIVIL LIABILITY SYSTEM

Competitive rules is an implement in order to safe competition in economic activists relationship, support from their rights and balancing in market, but unfortunately, many of activists confront with actions to fair competition of competition of competitions, then they cannot defend their self and they cannot present a lawsuit to prevent competitor for they not have knowledge of rules of this field. From many years ago, there was civil liability among commercial competitors. However, today Civil liability claims due to violate of completion rights are increased. Despite public nature of completion rights.In some cases. We can reach to competition rights aims more efficient by insuring of special legal performance. Intact competition in market, supplies, benefits of society and customers. But sometimes commercial competitors damage to commercial benefits by using of illegitimate ways. In iran's law, some rules are legislated to prevent competitors who use from illegilimate ways since 2005 and these rules not inconclusive. In this project, different concepts of illegilimate competition are considered to clear illegilimate competition nature this project tryes to better understand illitigimatecompetition nature and compare it with same economic and non-economic systems. Also, civil liability due to illetigimate competition in two mentioned regions is considered, and in addition to clearing to different logic to offset damage, some operations are offered to prove damage and its assessment such as using of damage circumstantial evidence.