Oleksandr Fefelov

Partner at Ilyashev & Partners Law Firm, Head of Antitrust and Competition Practice, Attorney at Law


+380 44 494 1919
site: attorneys.ua


Institute of International Relations, Taras Shevchenko National University of Kyiv, International Law Faculty (Master of International Law);

Queen Mary and Westfield College of London University, International Commercial Law (internship).


Antitrust and Competition;

Banking and Finance;


Corporate and M&A;

Public Procurement.



Ukrainian, Russian, English



Oleksandr Fefelov is one of the best specialists in in Antitrust, Competition, Corporate Law in Ukraine. He has been carrying out antitrust regulation work in Ukraine for 25 years. His general professional experience is 30 years.

Oleksandr Fefelov’s expertise includes advising clients on various aspects of the law on protection of economic competition, which include, inter alia: consulting and representing of clients’ interests in the course of challenging the violations of law in the field of public procurements, in cases of unfair competition, abuse of monopoly position, anticompetitive concerted practices, as wells as representing clients in the AMCU in matters related to obtaining merger clearances and permits for concerted practices, state aid.

The Antitrust and Competition Practice headed by Oleksandr Fefelov ensures legal support in cases involving allegations of anti-competitive concerted practices, including participation in cartels, and abuse of the monopoly position. Oleksandr represents clients in disputes, including court disputes, with other business entities and the Antimonopoly Committee in cases related to the violations of competition law. He gives master-classes on issues of antitrust compliance and rules of conduct during inspections carried out by the AMCU bodies.

Oleksandr manages and oversees in the firm the legal support of M&A transactions, due diligence of business entities, drafting and legal analysis of M&A agreements, structuring of transactions. Oleksandr organizes workshops for the clients regarding the antimonopoly compliance issues, as well as regarding their conduct during the inspections carried out by the AMCU.



Oleksandr has been heading the Antitrust and Competition Practice of Ilyashev & Partners since 2010. Under his management the firm’s practice has gained international recognition and was awarded the Liga Zakon Awards 2020 as Law Firm of the Year in Competition.

  • Recommended as one of the leading lawyers in Antitrust and Competition practice according to the independent research by international directory Chambers Europe 2021
  • Recommended as a Leading Individual in Antitrust and Competition practice according to the independent research by international directory The Legal 500 – EMEA 2021
  • Listed among leading lawyers in Antitrust, Competition and M&A by Best Lawyers International 2022
  • Recommended as one of the leading lawyers in Antitrust and Competition by Ukrainian Law Firms 2021
  • Listed in “Client’s Choice: TOP-100 Best Lawyers of Ukraine”, Practice Leader in Antitrust
  • Finalist in nomination “Best Lawyer in Competition” of the Ukrainian Legal Awards 2021