News date: 21 March 2025
Chambers Europe 2025 has awarded Ilyashev & Partners Law Firm Band 1 status in Dispute Resolution for Ukraine. Survey results were published on 20 March 2025.
Chambers Europe 2025 also recommends Ilyashev & Partners and its experts in International Dispute Resolution, Competition/Antitrust, Employment, and Intellectual Property.
Managing Partner Mikhail Ilyashev and Senior Partner Roman Marchenko have also earned individual recognition, ranking Band 1 and Band 2 among lawyers in Domestic Dispute Resolution. Roman Marchenko is the only Ukrainian lawyer recommended in both Domestic and International Dispute Resolution by the survey.
Oleksandr Fefelov, Partner and Head of the Antitrust and Competition Practice, was individually recognized in the field of Competition/Antitrust.
Dispute Resolution
Domestic Dispute Resolution (Band 1)
Leading Lawyers: Roman Marchenko (Band 1) and Mikhail Ilyashev (Band 2)
International Dispute Resolution (Band 2)
Leading Lawyer: Roman Marchenko (Band 3)
What the Team is Known For
Ilyashev & Partners is renowned for its strong presence on the domestic litigation scene, with outstanding capabilities in commercial dispute resolution. The law firm is particularly active in corporate, contractual, tax and major debt recovery disputes, and in assisting with matters against state authorities and banks. The legal practice acts in notable disputes within the energy sector. Ilyashev & Partners is also active in cross-border disputes, including international arbitration, with particular experience in commercial arbitration mandates. The law firm has noteworthy activity in shareholder disputes and in defence of significant businesspeople against allegations of embezzlement and fraud. The legal practice is active in applying to the ECtHR in disputes relating to alleged infringement of property rights.
Competition/Antitrust
Oleksandr Fefelov of Ilyashev & Partners frequently assists clients with competition law compliance queries. He has additional strength in defending clients in behavioural investigations and representing them in appeals. He also acts on merger clearance notifications.
Employment
What the team is known for
Ilyashev & Partners is noted for its expertise in employment litigation. The firm also advises on compliance issues, with further experience in management-level dismissals and employment agreements. The team’s client roster features companies from the manufacturing, insurance, technology and pharmaceuticals sectors. The firm also represents private individuals in employment disputes. The team also handles disputes relating to seafarers’ employment and compensation.
Notable practitioners
Valeriia Gudiy leads the employment practice at Ilyashev & Partners and is a key contact for clients.
Intellectual Property
What the team is known for
Ilyashev & Partners’ intellectual property law practice is best known for acting in contentious cases. The team acts for domestic and international clients, often from the pharmaceutical sector. The team is active in patent and trademark registration and disputes.
Notable practitioners
Mikhail Ilyashev is a key client contact for this practice.
Chambers Europe is a special legal guide that has been published by Chambers & Partners since 1999. Chambers Europe ranks the top lawyers and law firms across Europe, providing market intelligence for law firm clients as well as legal professionals. The ranking is based on in-depth analysis of the legal market and interviews with thousands of lawyers and their clients.