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Olexander Martinenko

Work +38044 391 3377

Work Department

Competition/Antitrust, Commercial/Coprporate, Tax, Intellectual Property, Labour, Technology Media & Communications, Energy & Projects


Senior Partner, Head of Commercial, Regulatory and Dispute Resolution, CMS Cameron McKenna (Kyiv)


Olexander Martinenko is Senior Partner of, and Head of the Commercial, Regulatory and Disputes Practice Group at CMS Cameron McKenna, Kyiv.

His experience includes advising multi-national and local companies, institutions and organisations on their business activities in Ukraine for almost three decades. Olexander is a highly acclaimed and recommended expert in competition, corporate and commercial law, as well as mergers and acquisitions, and a number of sector practices.

Olexander has over 25 years’ experience in representing clients in the Ukrainian systems of general and commercial courts, up to and including the level of the Supreme Court of Ukraine and over 20 years of experience representing clients in international commercial and / or investment arbitration proceedings, both within and outside Ukraine (he was involved in more than a dozen international commercial and / or investment arbitration proceedings). He is on lists of recommended arbitrators with International Arbitral Centre of the Austrian Federal Economic Chamber, Singapore International Arbitration Centre, Hong Kong International Arbitration Centre and South China International Economic, Trade Arbitration Commission/Shenzhen Court of International Arbitration, Kuala Lumpur Regional Centre for Arbitration, and International Commercial Arbitration Court at the Ukrainian Chamber of Commerce and Industry.

Olexander frequently acts as an expert on matters of Ukrainian law in international commercial and investment arbitration proceedings, and foreign dispute resolution proceedings, submitting Ukrainian expert witness reports, legal opinions and affidavits.

As a top-ranked competition professional, Olexander acted for many large companies needing advice on how to deal with domestic and cross-border competition law matters in Ukraine including merger control, concerted actions, misuse of dominant position, unfair competition and state support ones. Additionally, being an active member of the Public Council of the Anti-Monopoly Committee of Ukraine (as a delegate of the American Chamber of Commerce in Ukraine) he regularly takes part in various projects aimed at improving the national competition legislation.

Olexander was recognised as a leading lawyer for Corporate/M&A and Antitrust/Competition by Chambers Europe 2008-2016, as well as recommended in Dispute Resolution by The Legal 500, 2013-2016.


Ukrainian, English, Russian, French


1996 - Law, Intellectual Property Law, Kyiv Institute of Industrial Property, Kyiv

1994 - LLM, Harvard University, USA


Dispute resolution

Within: Leading individuals

Olexander Martinenko - CMS

Within: Dispute resolution

Commercial arbitration, investment arbitration, cross-border litigation and energy disputes are key areas of focus for CMS, where Olexander Martinenko, Anna Pogrebna and Maria Orlyk are among the key partners. Vitaliy Radchenko handled the enforcement of an arbitral award for JKX Oil & Gas.

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Intellectual property

Within: Intellectual property

CMS handles domestic and cross-border IP matters including litigation and rights management. Commercial partner Olexander Martinenko and practice head Maria Orlyk are the key contacts. Olga Belyakova advised a US social media company on the transfer of IP rights.

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Within: Tax

CMS stands out for the strength of its tax and customs advisory work and its track record in litigation. Regulatory specialist Olexander Martinenko and practice head Anna Pogrebna, who count Scatec Solar among their clients, are recommended.

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White-collar crime

Within: Leading individuals

Olexander Martinenko - CMS

Within: White-collar crime

Senior partner Olexander Martinenko leads the commercial, regulatory and disputes group at CMS. He recently acted for a major multinational oil and gas company in an investigation of its Ukrainian subsidiary. Maria Orlyk and senior associate Olga Shenk are also recommended.

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Legal Developments by:

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    Third parties and competing developers have no rights of appeal to the Secretary of State against planning decisions. Disappointed applicants can appeal to the Secretary of State and can have the merits of the application reconsidered. The only remedy available to a disappointed third party is a challenge by way of judicial review in the High Court on a point of law. The sense of frustration and disempowerment this creates has not been helped by the increasing complexity of the planning process and the use of consultation to legitimise decisions that many perceive may already have been taken.
    - CMS Group

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