Ilyashev & Partners

Dispute Resolution

3 ranked lawyersBand 1UkraineEurope 2021 View ranking table
chambers review
department information
Ranked Lawyers
chambers review
department information
Ranked Lawyers

Chambers Review

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What the team is known for

Renowned for its strong presence on the domestic litigation scene, with outstanding capabilities in commercial dispute resolution. Particularly active in corporate, contractual, tax and major debt recovery disputes, as well as assisting with matters against state authorities and banks. Acts on notable disputes within the energy sector. Also active in cross-border disputes, including international arbitration, with particular experience in commercial arbitration mandates. Noted for its growing white-collar crime practice, representing both corporate organisations and individuals. Noteworthy activity in shareholder disputes and in defence of significant business people against allegations of embezzlement and fraud. Active in applying to the ECHR in disputes relating to alleged infringement of property rights.


Interviewees appreciate the group's "approachable, practical and realistic" take on matters."

Another source highlights a "very committed and dedicated" attitude.

Work highlights

Represented JKX Oil & Gas in the recognition and enforcement of a USD12.2 million arbitral award against Ukraine as compensation for damages incurred as a result of the increase of the rental fee rate for oil and gas production.

Notable practitioners

Managing partner Mikhail Ilyashev is highly regarded for his wealth of experience in handling a broad variety of litigation cases, including in relation to the agriculture and energy industries. "He is an excellent litigator with perfect knowledge of what is at stake, always well prepared and full of energy," a source reports.

Roman Marchenko is a market-leading litigator handling disputes in domestic courts. He also has a strong presence in international arbitration, representing clients from banking, aviation and energy. Sources describe him as "responsive, practical and commercial" as well as "personable, straightforward and upfront." Another client praises his technical abilities, saying: "He is a highly skilled drafter and negotiator."

Department Information

This content is provided by Ilyashev & Partners.


Dispute resolution is one of the key areas at Ilyashev & Partners. We undertake dispute resolution relating to general commercial disputes as well as a whole range of specialist areas including: shareholder disputes, intellectual property (including patent and counterfeiting disputes); labor disputes; real estate disputes, insurance disputes, criminal defence, and many more. Our team has also recently acted on several major insolvencies that involved a significant dispute element.

We have many years of experience in international commercial arbitrations according to all major arbitration rules. Our lawyers are experienced in representation in multi-million investment arbitrations: both according to the specialized ICSID Convention and commercial regulations.

Our attorneys have extensive experience of cooperation with law enforcement institutions and experience in advocacy that permits to protect and represent clients at all stages of criminal proceedings. The Firm has experience in conducting independent financial investigations, including in respect of crimes committed by unscrupulous management bodies of clients.

We handle more than 500 cases a year, many of which are highly complex. Our leaders of the practice – Mikhail Ilyashev and Roman Marchenko – are two of the best known practitioners in Ukraine in dispute resolution.


Bets, Nina

Burtovyi, Mykola

Bychkov, Andrey

Demchenko, Iryna

Denysenko, Oleksandr

Fefelov, Oleksandr

Gudiy, Valeriia

Hrybov, Dmytro

Ilyashev, Mikhail

Kamsha, Oleksandr

Kizlenko, Vadym

Kliestov, Sergiy

Konoplia, Andrii

Kryvenko, Kostiantyn

Lazebnyi, Dmytro

Lefor, Galyna

Lytvyn, Andriy

Makarenko, Ievgeniia

Marchenko, Roman

Nedelko, Sergey

Nienov, Denys

Padalka, Oleksandr

Protsyshyn, Roman

Samarina, Lesia

Skvortsov, Mykola

Solovyov, Yevgen

Sytyi, Vyacheslav

Trokhymchuk, Oleh

Tsymanovska, Alla



British Marine

BTA Bank


Cofco Agri Resources Ukraine

CRH Ukraine

Ferrexpo AG

Ferrexpo Poltava Mining

Group DF

J.S. Corrugating Machinery Co. Ltd

JKX Oil & Gas Plc

JV Poltava Petroleum Company

North of England P&I Association

SE Antonov


Soenen Hendrik

Steamship Mutual

The Kraft Heinz Company

The London P&I Club

The Standard Club UK Ltd


Unilever Ukraine



Advertising & Marketing



Energy & Natural Resources

Financial Technologies



IT Technologies, Media and Telecommunications

Medicine & Healthcare


Private Client

Public Sector

Real Estate & Construction



Transport & Logistics

Dispute Resolution Department

Ilyashev & Partners

Department location

11 Kudryavska Str.


Kyiv City Municipality



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Articles, Highlights and Press Releases

Total 57 Articles, Highlights and Press Releases

Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.


Dispute Resolution: Domestic

Mikhail Ilyashev
Band 2
Roman Marchenko
Band 1

Dispute Resolution: International

Roman Marchenko
Band 3