Antimonopoly legislation is complex of legislations aimed at limiting the ability of organizations to compete solely on the market. The antimonopoly law provides for measures against the territorial division of markets, the artificial maintenance of the price level, fictitious mergers of companies to cover profits and so on. The main laws on the field of antimonopoly state regulation in Uzbekistan is the Law of the Republic of Uzbekistan dated January of 6, 2012 by No. ZRU-319 "On Competition" (Adopted by the Legislative Chamber on 14.11.2011, approved by the Senate on 05.12.2011), the Law of the Republic of Uzbekistan dated 24.04.1997 by No. 398-I "On Natural Monopolies" (New version, approved by the Law of the Republic of Uzbekistan dated 19.08.1999 No. 815-I) and Law of the Republic of Uzbekistan dated 26.04.1996 by No. 221-I "On Protection rights of consumers". There are numerous legislative acts of the government and its departments which have been adopted on the basis of above-mentioned laws. Virtus Leo has good practice and experience in this field, specialists of the Law firm are able to provide competent legal assistance in resolving issues related to the activities of companies in the field of antitrust and competition law.