The law firms often represent their clients in investigations, initiated by the AMCU, if they or their competitors are suspected of providing anticompetitive agreed actions or in the abuse of monopoly position. It is becoming more and more popular among Ukrainian and foreign companies to refer to lawyers for legal advice concerning conformity of some actions with Ukrainian antitrust legislation, including the review of definite contracts` provisions, which are conducted by the company, for example, the warranty on exclusivity, non-competitiveness, etc.

Lexwell & Partners has a considerable practice regarding antitrust-related issues. Recently, the firm was engaged obtaining permit for concentration of the Antimonopoly Committee of Ukraine for one of the leading Russian companies. Yriy Katser is recommended for antitrust issues.