EC Law is presumed to be compatible with WTO Law, however, European Court of Justice does not think WTO Law provides criteria for assessing the legality of EC Law.

Article 234 ec allows any national court, be it the local court of first instance, to refer directly a question on the interpretation of ec law to the European court of Justice (ECJ).

In this chapter the author introduces the counter-monopoly law of USA, Japan and EC, and the national counter-monopoly law of limiting competition behavior carries on the legal rules.