News date: 29 July 2025
Mikhail Ilyashev, Managing Partner at Ilyashev & Partners Law Firm, and Roman Marchenko, Senior Partner, have been recognized in the 2025 Lawdragon 500 Leading Global Litigators Guide. The specified research, which results were published on 24 July 2025, recognized only five practitioners from Ukraine this year.
Mikhail Ilyashev is ranked as one of the 500 leading lawyers globally, specialising in International Dispute Resolution, Arbitration.
Mikhail Ilyashev has over 27 years of experience in both dispute resolution and international arbitration. Known as Ukraine’s Leading Individual in Dispute Resolution by Chambers Global, Chambers Europe, and The Legal 500 – EMEA, Mikhail Ilyashev handles over 100 projects every year in the Commercial Litigation field, acting on behalf of both local and international companies, private investors, and state enterprises.
Mikhail Ilyashev regularly provides expert legal opinions for international judicial proceedings. During the last two years, he has been instructed to provide expert opinions on Ukrainian law in the SCC Arbitration, in UK and EU courts. His practice includes participation in numerous cases regarding foreign investments in Ukrainian companies and enterprises, structuring of international M&A, and billion-dollar due diligences.
Roman Marchenko is also ranked as one of the 500 leading lawyers globally, specialising in International Dispute Resolution, Arbitration.
For many years, Roman Marchenko has been recommended as one of the best lawyers by the leading international ratings and directories: Chambers Global, Chambers Europe, The Legal 500 – EMEA, IFLR 1000.
Roman Marchenko supervises over 500 disputes in Ukraine and abroad annually, most of which are highly complex. He regularly provides expert legal opinions for international judicial proceedings. During the last five years, he has been instructed to provide expert opinions on Ukrainian law in arbitration proceedings as well as in litigations in the U.S., UK, and Israel.
He also acts as an arbitrator in international arbitration proceedings on a regular basis.
The Lawdragon 500 Leading Global Litigators Guide, now in its 4th year, is an annual research, that focuses on Global Litigation and features attorneys who specialize in international arbitration, public international litigation, and global controversies and investigations.
The 500 recognised individuals are selected through a robust nomination process, including submissions, journalistic research, and editorial vetting from a board of peers.