Education
- 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)
- Taras Shevchenko National University of Kyiv and Ministry of Foreign Affairs of Ukraine, course “International relations and diplomatic service”
Experience
With over 33 years of professional experience, including 31 years in antitrust and competition law in Ukraine, Oleksandr Fefelov is one of the most experienced practitioners in this area.
Oleksandr specializes in antitrust and competition law and represents Ukrainian and international companies in cases involving violations of antitrust legislation, abuse of dominant position, anti-competitive concerted practices, and unfair competition.
Oleksandr’s practice includes merger control and concerted practice clearance, including the preparation and filing of notifications with the Antimonopoly Committee of Ukraine (AMCU), coordination of AMCU approvals, and assessment of antitrust risks in the context of corporate and M&A transactions. His expertise enables clients to structure transactions in compliance with competition law requirements and to mitigate regulatory risks.
Oleksandr has extensive experience in handling complex antitrust disputes and defending clients in proceedings before the AMCU and courts of all instances, representing their interests in disputes with other market participants and state authorities.
Oleksandr Fefelov also advises clients on public procurement and state aid matters, assisting businesses in their interaction with public authorities and entities funded from state and local budgets, minimizing competition law risks and protecting their interests in disputes with regulators and other market participants.
In addition to his antitrust practice, Oleksandr has experience in corporate law, M&A, intellectual property, privatization, and foreign investment. This enables him to provide comprehensive support for large-scale business projects by integrating competition, regulatory, and corporate aspects of transaction structuring and the implementation of commercial strategies.
Membership
- Kyiv City Bar Council
- President of the Ukrainian Law Firms Association
Working languages
- English
- Ukrainian
- Russian
- 30+
years in сompetition
- 30+
years of legal practice
- 50+
antitrust cases annually
- $100bn+
client’s market share
AWARDS
Awards and recognition:

The Legal 500 – EMEA 2025 Leading Partner in Competition for Ukraine

Chambers Europe 2025 Leading Individual in Antitrust and Competition for Ukraine

50 Leading Law Firms of Ukraine 2026. Recognition Rating Practice Leader in Competition for Ukraine

Client’s Choice 2026: Top-100 Lawyers of Ukraine Listed among 100 Best Lawyers of Ukraine. Practice Leader in Antitrust and Public Procurement

Ukrainian Law Firms 2025. A Handbook for Foreign Clients Notable Practitioner in Antitrust and Competition for Ukraine

Best Lawyers International 2022 Leading Individual in Antitrust, Competition and M&A for Ukraine

Legal Awards 2021 Finalist in nomination “Best Lawyer in Competition” for Ukraine

Liga Zakon Awards 2020 Best Lawyer in Antitrust for Ukraine
PRACTICE
One of the best experts in such practices as:
INDUSTRY EXPERTISE
Practical experience in the industries:
OUR CLIENTS
Today we are working on projects for more than 400 active clients
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Recent publications
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