Partner, Dispute Resolution
  • Oleh Marchenko has almost two decades of experience. He has a strong focus on complex litigations and disputes, including international arbitration and investor-state disputes. He is recognized as a top-tier lawyer in Dispute Resolution by Legal 500 EMEA and a leading lawyer in Arbitration & Mediation by Best Lawyers. Previously, Oleh worked extensively on International Trade/WTO Disputes, M&D and Transactional Cross-Border Taxation (top tier recognition by Chambers and Partners, Legal 500 EMEA, Who’s Who Legal, International Tax Review).
  • Past Associations:
    2010 – 2013
    Ulysses, Managing Partner
    2001 – 2010
    Magisters, Partner
    1999 – 2001
    Deloitte, Senior Associate
    1997 – 1999
    Magisters, Associate
  • Master of Laws (Business Law), Kyiv National Economic University
  • BA (Economics, Sociology), Kyiv Mohyla Academy
  • Harvard University, Massachusetts (non-degree studies)
  • Thomas Aquinas College, California (non-degree studies)
  • International Bar Association
  • Ukrainian Arbitration Association
Notable Clients

AAK, ADM, Alfa Group, Alfred C. Toepfer International, Banka Intesa, Baxter, Bayer, Bunge, Cargill, Centravis, Credit Suisse, Danone, Deutsche Bank, Erste Bank, Goldman Sachs, H&M, ING Bank, LafargeHolcim, Luis Dreyfus, Microsoft, Morgan Furniture (Home Group), Naftogaz of Ukraine, NCH Advisors, Pernod Ricard, Saint-Gobain, Sanofi, Shell, Severstal, Tata Motors, Tata Steel, Teva.


Best Lawyers 2018 recommends
Oleh Marchenko in
Arbitration and Mediation

Best Lawyers 2019 has recommended
Oleh Marchenko as one of the best
in Arbitration and Mediation and Tax Law

Legal 500 EMEA 2018 recommends
Oleh Marchenko in Dispute Resolution
and Tax for tax litigation and
tax-related investor-state disputes

Oleh Marchenko named as a notable practitioner in International Arbitration by “Ukrainian Law Firms 2018. A Handbook for Foreign Clients”

Best Lawyers 2019 Recommends Oleh Marchenko in Arbitration and Mediation, Litigation, and Tax Law.

Legal 500 EMEA 2019 recommends
Oleh Marchenko in Dispute Resolution
and Tax for tax litigation and
tax-related investor-state disputes.

9 Dec, 2019

Стаття опублікована українською мовою у посібнику "Вибір клієнта 2019" від Юридичної Газети.   14 травня 2019 року Верховний Суд Україна у справі Сбербанк проти Донецька залізниця відхилив …

17 Apr, 2018

Marchenko Partners has been highly recommended by The Legal 500 EMEA 2018 for Ukraine in all main practices of the Firm: Intellectual Property; Competition; Dispute …

19 Jun, 2018

On June 19, 2018, Best Lawyers announced the results of the annual survey “The Best Lawyers in Ukraine 2019”. With impressive ratings from peers all …

10 Jul, 2018

Marchenko Partners has been named among the leading law firms in Ukraine by Yuridicheskaya Practika Publishing in its “Ukrainian Law Firms 2018. A Handbook for …

19 Sep, 2018

On August 31, 2018 the Antimonopoly Committee of Ukraine released the first Report on State Aid to Undertakings in Ukraine in 2017. The Report has …

8 Jun, 2018

“The value of this charter was shown last year, in both EU and UK courts, when the tobacco industry unsuccessfully challenged the new rules on …

24 May, 2018

On May 15, 2018, the Verkhovna Rada (the Parliament of Ukraine) passed in the first reading Law #3871 to prohibit the use of palm oil …

8 Aug, 2019

Verkhovna Rada may restrict patent protection for derivative medicines in violation of the international obligations of Ukraine. Read more in the article of Oleh Marchenko and …

7 May, 2019

On March 22, 2019 the State Fiscal Service of Ukraine revoked UAH 635 Million tax claims against Philip Morris Ukraine Private JSC in accordance with …

3 Dec, 2018

Стаття опублікована англійською мовою в The European Arbitration Review 2019. Незаконна анексія Криму Російською Федерацією у квітні 2014 року та збройний конфлікт на Донбасі одразу після …