
Ilyashev & Partners
www.attorneys.uaEmail address
[email protected]Contact number
+38 044 494 1919Share profile
About
Managing Partner: Mikhail Ilyashev
Senior Partner: Roman Marchenko
Partners: Oleksandr Fefelov, Olena Omelchenko, Yevgen Solovyov, Valeriia Gudiy
Head of Kharkiv Office: Andriy Lytvyn
Head of Dnipro Office: Oleksandr Kamsha
Head of Odesa Office: Sergey Nedelko
Number of lawyers: 40+
Total staff: 120
Languages: English, Ukrainian, Russian
Firm Overview
Founded in 1997, Ilyashev & Partners is a leading independent law firm in Ukraine, consistently ranked among the top practices by Chambers Europe, Chambers Global, and The Legal 500. With offices in Kyiv, Kharkiv, Dnipro, and Odesa, and a team of 40+ lawyers and 120 staff, we provide full-service, English-speaking legal support to international clients across a wide range of industries.
We specialize in company registration and market entry for non-residents, international arbitration, tax and customs compliance, cross-border M&A, employment, maritime and shipping disputes, and humanitarian aid regulations. Our clients include European and American corporations, foreign investors, NGOs, financial institutions, embassies, and government agencies.
Main Areas of Practice
Corporate & M&A / Market Entry
We advise foreign investors and international corporations on establishing businesses in Ukraine, including company registration, branch and representative office setup, regulatory licensing, and corporate governance. Our lawyers have guided major cross-border acquisitions and joint ventures in energy, IT, defense, and pharmaceuticals.
Antitrust & Competition
We obtain merger clearances from the Antimonopoly Committee of Ukraine, advise on cartel investigations, unfair competition, and represent clients in high-profile competition disputes. Our team regularly supports clients participating in public procurement in Ukraine, ensuring full compliance with national and international requirements.
International Arbitration & Dispute Resolution
Dispute resolution is at the core of our practice. We represent clients in Ukrainian courts, the Supreme Court, and international arbitration tribunals (ICSID, UNCITRAL, SCC, ICC, LCIA, LMAA). Our team has handled multi-billion-dollar investment arbitrations and ensures not only judgments but also their effective enforcement.
Maritime & Shipping
We represent ship owners, P&I clubs, marine terminal operators, logistics companies, and banks in complex maritime and shipping disputes, including arrest of vessels, charter party disputes, collisions, and cargo claims. The team is recognized as a market leader in Ukraine’s Black Sea region.
Banking & Finance
Our lawyers advise leading Ukrainian and international banks, funds, and borrowers on corporate finance, secured lending, debt restructuring, asset recovery, and regulatory compliance.
Intellectual Property & Technology
We provide comprehensive support in intellectual property law, including trademark registration, copyright protection, licensing, IP litigation, and anti-counterfeiting measures. Our team also advises international IT and technology companies on data protection, GDPR compliance, and cybersecurity regulations in Ukraine.
Pharmaceuticals & Life Sciences
We provide end-to-end support to pharmaceutical companies in Ukraine, from clinical trials and product registration to advertising, distribution, and compliance with regulatory authorities.
Tax & Customs
We represent foreign companies in tax disputes, audits, VAT recovery, and customs compliance. A particular focus is on advising NGOs and donors on customs and VAT exemptions for humanitarian and international technical assistance projects. Our track record includes landmark victories against the State Tax Service of Ukraine.
Humanitarian Aid & NGO Support
We assist international organizations, NGOs, and donors with tax and customs exemptions for humanitarian aid, import and export of relief goods, and compliance with international technical assistance (ITA) regulations. Our lawyers ensure smooth operations for humanitarian projects in Ukraine under martial law and evolving regulations.
Employment & Immigration
We provide legal advice on employment contracts, compliance with Ukrainian labor law, executive dismissals, and trade union disputes. For foreign clients, we assist with residency permits, work permits, and relocation of expatriate staff to Ukraine.
Private Clients & Relocation
For high-net-worth individuals and expatriates, we provide legal advice on residency permits, work permits, relocation, asset protection, and cross-border family law matters. Our team offers discreet and comprehensive support for international clients seeking to establish a long-term presence in Ukraine.
Real Estate & Construction
We represent foreign investors, developers, and funds in real estate acquisitions, lease agreements, land use, and construction projects. Our expertise includes navigating Ukrainian property law, due diligence, and regulatory approvals, with a focus on large-scale infrastructure and commercial developments.
Energy & Infrastructure
We advise domestic and international clients on energy regulation, renewables, infrastructure concessions, and disputes related to ports, pipelines, and energy facilities.
Insolvency & Restructuring
We represent creditors, debtors, and shareholders in bankruptcy proceedings, cross-border insolvency cases, and corporate restructuring projects, often involving state-owned enterprises and major industrial groups.
Criminal Defence & White Collar
Our criminal defence team has extensive experience in white-collar crimes, fraud investigations, financial monitoring, and compliance risks, representing CEOs, CFOs, and high-level executives in politically sensitive cases.
International Work
We cooperate with leading global law firms in cross-border projects and represent international clients before foreign courts and arbitral tribunals. Our lawyers act as Ukrainian law experts in major proceedings abroad, including cases in London, Paris, Stockholm, and New York.
Ranked Offices
Provided by Ilyashev & Partners
- Kyiv11 Kudryavska Str., Kyiv, Kyiv City Municipality, Ukraine, 04053
- Web: www.attorneys.ua
- Tel: +38 044 494 1919
- Fax: +38 044 494 1999
Ilyashev & Partners rankings





Articles, highlights and press releases
190 items provided by Ilyashev & Partners
Ilyashev & Partners Successfully Defends Ukrainian Producer in AMCU in Case of Monopoly Abuse
Ilyashev & Partners Law Firm successfully represented a Ukrainian producer of fuel briquettes – KMO LLC – in the AMCU in a case of violation by the monopolist JSC Vinnitsaoblenergo of the legislation on protection of economic competition.
Court Upheld Anti-Dumping Measures on Steel Wire Imports from China
On 20 June 2025, the Kyiv District Administrative Court dismissed all claims filed by a Ukrainian importer of Chinese products, TPP Gradient-Ukraine LTD, seeking to lift anti-dumping measures imposed on imports to Ukraine of wires from the People’s Republic of China.
Kateryna Solodovnyk Achieves Membership of the International Sport Lawyers Association
Kateryna Solodovnyk, Lawyer at Ilyashev & Partners Law Firm, has joined the International Sport Lawyers Association (ISLA), a global community which unites sports lawyers in a wide variety of legal fields.
Ilyashev & Partners Secures Bail Reduction Exceeding UAH 20 million in Defense Procurement Cases
Ilyashev & Partners’ Criminal Law team has succeeded in reducing the bail for clients in two high-profile cases related to defense procurement, which were heard by the High Anti-Corruption Court (HACC).
Ilyashev & Partners Advises European E-Commerce Company on Entering Ukrainian Market
Ilyashev & Partners Law Firm provides legal advice to a European e-commerce company on issues of operating in the Ukrainian market and selling goods via the Internet.
Ilyashev & Partners Advises ESTDEV on Implementation of ITA Project in Ukraine
Ilyashev & Partners Law Firm has provided legal support to the Estonian Centre for International Development (ESTDEV) in the registration of an international technical assistance (ITA) project in Ukraine.
Ukraine Imposes Anti-Dumping Duties on Fittings from China and Turkey
On July 7, 2025, the Interdepartmental Commission on International Trade of Ukraine adopted a decision to apply definitive anti-dumping measures on imports of fittings for water supply and heating systems originating from the People’s Republic of China and the Republic of Turkey.
Ilyashev & Partners Named Among Top 5 Law Firms in CEE for Client Satisfaction
Ilyashev & Partners has been shortlisted among the top five law firms in Central and Eastern Europe for client service excellence in the Legal 500 CEE Awards 2025, being the only law firm from Ukraine on the list.
Ilyashev & Partners Defends European IT Company in Copyright Dispute Over Computer Program
Ilyashev & Partners successfully represented the interests of a European IT company in a dispute regarding copyright infringement of a computer program by a Ukrainian company. The dispute was settled at the pre-trial stage.
Ilyashev & Partners Successfully Defends International Company in Dismissal Dispute
Ilyashev & Partners successfully represented the Ukrainian subsidiary of an international company in a labor dispute initiated by a former employee, who sought to have the dismissal order canceled and reinstated to his position.
Ilyashev & Partners Helps Ukrainian Hospital Retain State Funding Following Compliance Audit
Ilyashev & Partners Law Firm provided effective legal support to the Municipal Non-Profit Enterprise Shyriaieve Central District Hospital in its interaction with the National Health Service of Ukraine (NHSU).
Ilyashev & Partners Wins "Promedol" Trademark Case at Supreme Court
Ilyashev & Partners successfully represented Latvian pharmaceutical company Kalceks AS in a high-profile dispute concerning the invalidation of Ukrainian trademark certificates for the anesthetic trademarks “Promedol” and “Промедол” registered by Pharmaceutical Group Zdorovia LLC.
Ilyashev & Partners Initiates Anti-Dumping Investigation into Imports of Cable and Wire Products
The International Trade Practice team at Ilyashev & Partners, led by Partner Olena Omelchenko, has initiated an anti-dumping investigation into imports of cable and wire products originating from the Republic of Azerbaijan, the Republic of Uzbekistan, and the Republic of Turkey.
Ukraine Extends Anti-Dumping Duties on Cement from Russia, Belarus, and Moldova Until 2030
On 21 May 2025, the Interdepartmental Commission on International Trade (ICIT) adopted Decision No. AD-579/2025/441-01 extending the application of definitive anti-dumping measures on cement imports from the Russian Federation, the Republic of Belarus, and the Republic of Moldova until 2030.
Ilyashev & Partners Successfully Defends Ukrainian Fashion Retailer in €1 Million Tax Evasion Case
Ilyashev & Partners Law Firm successfully represented a Ukrainian retail company in criminal proceedings concerning allegations of tax evasion exceeding EUR 1 million.
Ilyashev & Partners Overturns Procurement Decision in Favor of Ukrainian Telecom Company
Ilyashev & Partners successfully represented HomeNet in a case over procurement violations during a telecom services tender initiated by the Main Information and Computing Centre of JSC Ukrzaliznytsia.
Ilyashev & Partners Defends Interests of French Retailer in Case Involving Forged Contract
Ilyashev & Partners Law Firm successfully defended the interests of a foreign company that is part of one of the French largest retail chains in a commercial fraud case considered by the International Commercial Arbitration Court at the Ukrainian Chamber of Commerce and Industry.
Ukraine Investigates Anti-Dumping Duty Circumvention with Chinese Steel Fasteners
Ilyashev & Partners Law Firm has initiated an investigation into the circumvention of anti-dumping duties on imports of steel fasteners originating in the People’s Republic of China through the supply of similar products from Malaysia.
Ukraine Investigates Circumvention of Anti-Dumping Measures on Steel Wire Imports from China
Ilyashev & Partners Law Firm, representing the interests of Ukrainian producer PlasmaTec LLC, has initiated an anti-dumping investigation into the circumvention of anti-dumping duties on silicon-manganese steel wire imports originating from China through their imports from Malaysia.
Ukraine Opens Groundbreaking Anti-Circumvention Case on Steel Imports
Ilyashev & Partners Law Firm has initiated the first anti-circumvention investigation of anti-dumping duties in Ukraine’s history.
Ilyashev & Partners Ensures Final Anti-Dumping Duties on Radiator Imports from Turkey and China
The International Trade team at Ilyashev & Partners, led by Partner Olena Omelchenko, has successfully achieved the imposition of final anti-dumping measures on imports of heating radiators originating from the People's Republic of China and the Republic of Turkey into Ukraine.
Ilyashev & Partners Secures Final Anti-Dumping Duty on Indian Matches Imports
Ilyashev & Partners' International Trade team, led by Partner Olena Omelchenko, succeeded in imposing final anti-dumping measures against matches imported into Ukraine from the Republic of India.
Anti-Dumping Measures on Belarusian Gas-Concrete Under Review Initiated by Ilyashev & Partners
Ilyashev & Partners’ International Trade team, under the supervision of Partner Olena Omelchenko, has initiated the reconsideration of anti-dumping measures on imports of gas-concrete blocks originating in the Republic of Belarus.
Ilyashev & Partners Advises EU Energy Operators on Entering Ukrainian Wholesale Electricity Market
Ilyashev & Partners Law Firm provides legal advice to European energy trading companies on working on the wholesale energy market of Ukraine.
Ilyashev & Partners Advises International Agency on Online Content Protection in Ukraine
Ilyashev & Partners Law Firm is a legal adviser to an international agency specialising in digital content protection against unauthorized access to digital media on the Internet in Ukraine.
Ilyashev & Partners Assists German Machinery Leader in Entering Ukrainian Market
Ilyashev & Partners Law Firm provided end-to-end legal support for the establishment of a subsidiary of Germany’s leading laser technology manufacturer in Ukraine.
Court Orders Russia to Pay UAH 927M to Alchevsk By-Product Coke Plant in Compensation for Damages
On February 5, 2025, the Eastern Commercial Court of Appeal ruled in favor of PJSC Alchevsk By-Product Coke Plant, ordering the Russian Federation to pay over UAH 927.5 million in damages for the destruction of the company’s critical documentation.
Ilyashev & Partners Names Kostiantyn Kryvenko Head of Criminal Law Practice
Kostiantyn Kryvenko, Attorney at Law, Counsel at Ilyashev & Partners Law Firm, has been promoted to Head of Criminal Law Practice.
Ilyashev & Partners Confirms International Company’s Legal Compliance in Employment Case
Ilyashev & Partners’ experts collected irrefutable evidence of the employer’s compliance with the dismissal procedure.
Mikhail Ilyashev Presents Key Reforms of the Sports Arbitration Court at the NOC of Ukraine
Mikhail Ilyashev Presents Sports Arbitration Court at the National Olympic Committee of Ukraine.
Ilyashev & Partners Successfully Defends Ukrainian Producer in AMCU in Case of Monopoly Abuse
Ilyashev & Partners Law Firm successfully represented a Ukrainian producer of fuel briquettes – KMO LLC – in the AMCU in a case of violation by the monopolist JSC Vinnitsaoblenergo of the legislation on protection of economic competition.
Court Upheld Anti-Dumping Measures on Steel Wire Imports from China
On 20 June 2025, the Kyiv District Administrative Court dismissed all claims filed by a Ukrainian importer of Chinese products, TPP Gradient-Ukraine LTD, seeking to lift anti-dumping measures imposed on imports to Ukraine of wires from the People’s Republic of China.
Kateryna Solodovnyk Achieves Membership of the International Sport Lawyers Association
Kateryna Solodovnyk, Lawyer at Ilyashev & Partners Law Firm, has joined the International Sport Lawyers Association (ISLA), a global community which unites sports lawyers in a wide variety of legal fields.
Ilyashev & Partners Secures Bail Reduction Exceeding UAH 20 million in Defense Procurement Cases
Ilyashev & Partners’ Criminal Law team has succeeded in reducing the bail for clients in two high-profile cases related to defense procurement, which were heard by the High Anti-Corruption Court (HACC).
Ilyashev & Partners Advises European E-Commerce Company on Entering Ukrainian Market
Ilyashev & Partners Law Firm provides legal advice to a European e-commerce company on issues of operating in the Ukrainian market and selling goods via the Internet.
Ilyashev & Partners Advises ESTDEV on Implementation of ITA Project in Ukraine
Ilyashev & Partners Law Firm has provided legal support to the Estonian Centre for International Development (ESTDEV) in the registration of an international technical assistance (ITA) project in Ukraine.
Ukraine Imposes Anti-Dumping Duties on Fittings from China and Turkey
On July 7, 2025, the Interdepartmental Commission on International Trade of Ukraine adopted a decision to apply definitive anti-dumping measures on imports of fittings for water supply and heating systems originating from the People’s Republic of China and the Republic of Turkey.
Ilyashev & Partners Named Among Top 5 Law Firms in CEE for Client Satisfaction
Ilyashev & Partners has been shortlisted among the top five law firms in Central and Eastern Europe for client service excellence in the Legal 500 CEE Awards 2025, being the only law firm from Ukraine on the list.
Ilyashev & Partners Defends European IT Company in Copyright Dispute Over Computer Program
Ilyashev & Partners successfully represented the interests of a European IT company in a dispute regarding copyright infringement of a computer program by a Ukrainian company. The dispute was settled at the pre-trial stage.
Ilyashev & Partners Successfully Defends International Company in Dismissal Dispute
Ilyashev & Partners successfully represented the Ukrainian subsidiary of an international company in a labor dispute initiated by a former employee, who sought to have the dismissal order canceled and reinstated to his position.
Ilyashev & Partners Helps Ukrainian Hospital Retain State Funding Following Compliance Audit
Ilyashev & Partners Law Firm provided effective legal support to the Municipal Non-Profit Enterprise Shyriaieve Central District Hospital in its interaction with the National Health Service of Ukraine (NHSU).
Ilyashev & Partners Wins "Promedol" Trademark Case at Supreme Court
Ilyashev & Partners successfully represented Latvian pharmaceutical company Kalceks AS in a high-profile dispute concerning the invalidation of Ukrainian trademark certificates for the anesthetic trademarks “Promedol” and “Промедол” registered by Pharmaceutical Group Zdorovia LLC.
Ilyashev & Partners Initiates Anti-Dumping Investigation into Imports of Cable and Wire Products
The International Trade Practice team at Ilyashev & Partners, led by Partner Olena Omelchenko, has initiated an anti-dumping investigation into imports of cable and wire products originating from the Republic of Azerbaijan, the Republic of Uzbekistan, and the Republic of Turkey.
Ukraine Extends Anti-Dumping Duties on Cement from Russia, Belarus, and Moldova Until 2030
On 21 May 2025, the Interdepartmental Commission on International Trade (ICIT) adopted Decision No. AD-579/2025/441-01 extending the application of definitive anti-dumping measures on cement imports from the Russian Federation, the Republic of Belarus, and the Republic of Moldova until 2030.
Ilyashev & Partners Successfully Defends Ukrainian Fashion Retailer in €1 Million Tax Evasion Case
Ilyashev & Partners Law Firm successfully represented a Ukrainian retail company in criminal proceedings concerning allegations of tax evasion exceeding EUR 1 million.
Ilyashev & Partners Overturns Procurement Decision in Favor of Ukrainian Telecom Company
Ilyashev & Partners successfully represented HomeNet in a case over procurement violations during a telecom services tender initiated by the Main Information and Computing Centre of JSC Ukrzaliznytsia.
Ilyashev & Partners Defends Interests of French Retailer in Case Involving Forged Contract
Ilyashev & Partners Law Firm successfully defended the interests of a foreign company that is part of one of the French largest retail chains in a commercial fraud case considered by the International Commercial Arbitration Court at the Ukrainian Chamber of Commerce and Industry.
Ukraine Investigates Anti-Dumping Duty Circumvention with Chinese Steel Fasteners
Ilyashev & Partners Law Firm has initiated an investigation into the circumvention of anti-dumping duties on imports of steel fasteners originating in the People’s Republic of China through the supply of similar products from Malaysia.
Ukraine Investigates Circumvention of Anti-Dumping Measures on Steel Wire Imports from China
Ilyashev & Partners Law Firm, representing the interests of Ukrainian producer PlasmaTec LLC, has initiated an anti-dumping investigation into the circumvention of anti-dumping duties on silicon-manganese steel wire imports originating from China through their imports from Malaysia.
Ukraine Opens Groundbreaking Anti-Circumvention Case on Steel Imports
Ilyashev & Partners Law Firm has initiated the first anti-circumvention investigation of anti-dumping duties in Ukraine’s history.
Ilyashev & Partners Ensures Final Anti-Dumping Duties on Radiator Imports from Turkey and China
The International Trade team at Ilyashev & Partners, led by Partner Olena Omelchenko, has successfully achieved the imposition of final anti-dumping measures on imports of heating radiators originating from the People's Republic of China and the Republic of Turkey into Ukraine.
Ilyashev & Partners Secures Final Anti-Dumping Duty on Indian Matches Imports
Ilyashev & Partners' International Trade team, led by Partner Olena Omelchenko, succeeded in imposing final anti-dumping measures against matches imported into Ukraine from the Republic of India.
Anti-Dumping Measures on Belarusian Gas-Concrete Under Review Initiated by Ilyashev & Partners
Ilyashev & Partners’ International Trade team, under the supervision of Partner Olena Omelchenko, has initiated the reconsideration of anti-dumping measures on imports of gas-concrete blocks originating in the Republic of Belarus.
Ilyashev & Partners Advises EU Energy Operators on Entering Ukrainian Wholesale Electricity Market
Ilyashev & Partners Law Firm provides legal advice to European energy trading companies on working on the wholesale energy market of Ukraine.
Ilyashev & Partners Advises International Agency on Online Content Protection in Ukraine
Ilyashev & Partners Law Firm is a legal adviser to an international agency specialising in digital content protection against unauthorized access to digital media on the Internet in Ukraine.
Ilyashev & Partners Assists German Machinery Leader in Entering Ukrainian Market
Ilyashev & Partners Law Firm provided end-to-end legal support for the establishment of a subsidiary of Germany’s leading laser technology manufacturer in Ukraine.
Court Orders Russia to Pay UAH 927M to Alchevsk By-Product Coke Plant in Compensation for Damages
On February 5, 2025, the Eastern Commercial Court of Appeal ruled in favor of PJSC Alchevsk By-Product Coke Plant, ordering the Russian Federation to pay over UAH 927.5 million in damages for the destruction of the company’s critical documentation.
Ilyashev & Partners Names Kostiantyn Kryvenko Head of Criminal Law Practice
Kostiantyn Kryvenko, Attorney at Law, Counsel at Ilyashev & Partners Law Firm, has been promoted to Head of Criminal Law Practice.
Ilyashev & Partners Confirms International Company’s Legal Compliance in Employment Case
Ilyashev & Partners’ experts collected irrefutable evidence of the employer’s compliance with the dismissal procedure.
Mikhail Ilyashev Presents Key Reforms of the Sports Arbitration Court at the NOC of Ukraine
Mikhail Ilyashev Presents Sports Arbitration Court at the National Olympic Committee of Ukraine.