Successfully represented a foreign shipowner in complex maritime proceedings, securing cancellation of the tanker’s arrest, recognition of a bank guarantee as sufficient security for environmental claims exceeding USD 2 million, and enabling the vessel and crew to promptly depart the port.
Ilyashev & Partners
3 offices
•
Est. 1997
•
120 people
Ilyashev & Partners is widely recognized as one of the best law firms in Ukraine, delivering top-tier legal services to international companies, investors, financial institutions, and private clients seeking experienced lawyers in Ukraine. Our team of leading Ukrainian attorneys provides strategic legal representation in complex cross-border transactions, high-stakes disputes, and sensitive regulatory matters.
Ranked among the top law firms in Ukraine by Chambers Europe, Legal 500, and Lexology Index, Ilyashev & Partners combines deep knowledge of Ukrainian legislation with international legal standards, making the firm a preferred legal advisor for foreign businesses entering and operating in Ukraine.
Our lawyers in Ukraine represent clients in commercial litigation, international arbitration, corporate and M&A transactions, investment protection matters, white-collar crime defense, sanctions and export controls, public procurement disputes, and regulatory compliance. We regularly act for multinational corporations, Fortune 500 companies, international financial institutions, and leading Ukrainian enterprises.
Companies searching for the best lawyers in Ukraine choose Ilyashev & Partners for our proven track record, industry-focused expertise, and ability to resolve the most complex legal challenges quickly and effectively. With decades of experience and a reputation for results, we help clients protect their investments, enforce their rights, and successfully grow their business in Ukraine.
Firm Information
Founded
1997
Team Size
120 people
Offices
3 locations
Contact us
Our Offices
Find our offices across different locations to serve you better.
Kyiv
Ukraine
11 Kudryavska Street
Languages
Ukrainian
English
German
Spanish
Russian
Practice Areas
Corporate & Commercial
Administrative
Business Registration
+65 more
Odessa
Ukraine
66/1 Frantsuzkyi Blvd., Kadorr Business Center, 2nd floor
Languages
Ukrainian
English
German
Spanish
Russian
Practice Areas
Administrative
Business Registration
Contract
+65 more
Kharkiv
Ukraine
63 Professor Otamanovskyi Street, Invest-Market Business Center, 4th floor
Languages
Ukrainian
English
German
Spanish
Russian
Practice Areas
Corporate & Commercial
Administrative
Business Registration
+65 more
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Case Results
Successful outcomes we've achieved for our clients
Multi-Million Commercial Dispute in Ukrainian Courts
Commercial Litigation
Multi-Million Commercial Dispute in Ukrainian Courts
Commercial Litigation
Secured a favorable outcome for an international investor in a multi-million-dollar commercial dispute before Ukrainian courts.
Cross-Border Debt Recovery and Enforcement in Ukraine
Restructuring & Insolvency
Cross-Border Debt Recovery and Enforcement in Ukraine
Restructuring & Insolvency
Represented a foreign creditor in complex enforcement proceedings, enabling recovery of substantial outstanding debts.
Establishment of Ukrainian Subsidiary for European Industrial Group
Business Registration
Establishment of Ukrainian Subsidiary for European Industrial Group
Business Registration
Provided full legal support for market entry, including incorporation, regulatory compliance, and operational launch.
International Arbitration – Cross-Border Supply Contract Dispute
ADR Mediation & Arbitration
International Arbitration – Cross-Border Supply Contract Dispute
ADR Mediation & Arbitration
Represented a multinational client and achieved a favorable settlement protecting the client’s financial interests.
Regulatory Investigation Defense for Global Corporation
Tax
Regulatory Investigation Defense for Global Corporation
Tax
Successfully defended the client in a high-profile investigation resulting in closure of proceedings without penalties.
Cross-Border M&A Transaction Legal Support
Merger & Acquisition
Cross-Border M&A Transaction Legal Support
Merger & Acquisition
Advised on legal due diligence, transaction structuring, and post-closing compliance for an international acquisition.
Infrastructure and Energy Project Dispute Resolution
Energy, Environment & ESG
Infrastructure and Energy Project Dispute Resolution
Energy, Environment & ESG
Represented a major energy-sector client in contractual disputes, safeguarding project implementation.
Sanctions and Export Controls Compliance Project
Sanctions & Export Controls
Sanctions and Export Controls Compliance Project
Sanctions & Export Controls
Advised multinational companies on sanctions compliance frameworks ensuring uninterrupted operations in Ukraine.
Maritime Cargo Claim Dispute – Black Sea Region
Admiralty & Maritime
Maritime Cargo Claim Dispute – Black Sea Region
Admiralty & Maritime
Represented an international shipping client in a maritime cargo dispute, securing compensation for losses arising from contractual breaches.
Vessel Arrest and Maritime Claim Enforcement in Ukraine
Admiralty & Maritime
Vessel Arrest and Maritime Claim Enforcement in Ukraine
Admiralty & Maritime
Successfully supported a foreign claimant in maritime proceedings involving vessel arrest and settlement of outstanding shipping-related claims.
Executive Employment Dispute – Ukrainian Courts
Employment & Labor
Executive Employment Dispute – Ukrainian Courts
Employment & Labor
Successfully represented an international employer in a senior executive employment dispute, achieving a favorable resolution.
Employment Compliance and Workforce Localization Project
Employment & Labor
Employment Compliance and Workforce Localization Project
Employment & Labor
Provided comprehensive legal support to a multinational company entering the Ukrainian market, including employment contracts, HR policies, and compliance systems.
Public Procurement Appeal – Defense Technology Tender (Ukraine)
Antitrust
Public Procurement Appeal – Defense Technology Tender (Ukraine)
Antitrust
Successfully represented a Ukrainian military-technology manufacturer in proceedings before the Antimonopoly Committee of Ukraine, securing the cancellation of the unlawful rejection of the client’s tender bid and restoration of the client’s participation in the procurement process.
Competition Law Advice on Distribution Model Implementation in Ukraine
Antitrust
Competition Law Advice on Distribution Model Implementation in Ukraine
Antitrust
dvised a leading international automotive manufacturer on the implementation of a new distribution model in Ukraine, conducting a comprehensive competition law review of distribution agreements, identifying potential antitrust risks, and providing recommendations to ensure full compliance with Ukrainian competition legislation and a secure market rollout.
Bankruptcy Proceedings Closure – High-Value Creditor Claims (Ukraine)
Restructuring & Insolvency
Bankruptcy Proceedings Closure – High-Value Creditor Claims (Ukraine)
Restructuring & Insolvency
Represented creditors in complex bankruptcy proceedings exceeding UAH 1 billion, achieving closure of the bankruptcy case and enabling creditors to pursue full recovery of claims outside the insolvency procedure, significantly strengthening enforcement prospects.
Supreme Court Victory in Land Ownership Dispute (Ukraine)
Commercial Real Estate
Supreme Court Victory in Land Ownership Dispute (Ukraine)
Commercial Real Estate
Successfully represented a Ukrainian industrial manufacturer before the Supreme Court in a land ownership dispute, securing final confirmation of the legality of the land acquisition and dismissal of the prosecutor’s claims, ensuring the client’s continued ownership and use of the strategically important property.
Supreme Court Victory in Land Use Rights Dispute (Ukraine)
Land Use & Zoning
Supreme Court Victory in Land Use Rights Dispute (Ukraine)
Land Use & Zoning
Successfully represented a manufacturing company in a long-running land use dispute before the Supreme Court of Ukraine, securing final dismissal of all opposing claims and preserving the client’s lawful rights to use strategically important industrial property.
Copyright Protection Dispute – Software Co-Authorship Recognition (Ukraine)
Copyright
Copyright Protection Dispute – Software Co-Authorship Recognition (Ukraine)
Copyright
Successfully represented a European IT developer in a copyright dispute involving unauthorized claims to a software product, achieving recognition of the client’s co-authorship, securing substantial monetary compensation through settlement, and ensuring withdrawal of related claims in multiple jurisdictions.
Supreme Court Victory in Trademark Invalidation Dispute (Pharmaceutical Sector, Ukraine)
Trademark
Supreme Court Victory in Trademark Invalidation Dispute (Pharmaceutical Sector, Ukraine)
Trademark
Successfully represented an international pharmaceutical manufacturer before the Supreme Court of Ukraine in a complex trademark dispute, securing invalidation of conflicting trademark registrations and protecting the client’s rights to market pharmaceutical products in Ukraine without regulatory or customs restrictions.
Cross-Border Online Copyright Enforcement Project (Ukraine)
Copyright
Cross-Border Online Copyright Enforcement Project (Ukraine)
Copyright
Advised an international digital content protection agency on identifying and shutting down copyright-infringing websites hosted in Ukraine and the EU, supporting negotiations with hosting providers that resulted in removal of pirated content and strengthening protection of global rights holders’ intellectual property.
Market Entry Advisory for European Energy Traders – Ukraine Wholesale Electricity Market
Energy Regulatory Law
Market Entry Advisory for European Energy Traders – Ukraine Wholesale Electricity Market
Energy Regulatory Law
Advised major European electricity trading companies on entering the Ukrainian wholesale energy market, providing comprehensive legal support on corporate structuring, tax and transfer pricing issues, cross-border transactions, regulatory compliance, and employment matters to ensure compliant and efficient market operations.
Pre-Trial Detention Challenge – Release on Reasonable Bail (Ukraine)
White Collar Crime
Pre-Trial Detention Challenge – Release on Reasonable Bail (Ukraine)
White Collar Crime
Successfully represented a client in criminal proceedings, securing the court’s refusal to impose pre-trial detention and obtaining the client’s immediate release in the courtroom under a significantly reduced and proportionate bail amount.
Criminal Tax Evasion Investigation Defense – Retail Sector (Ukraine)
White Collar Crime
Criminal Tax Evasion Investigation Defense – Retail Sector (Ukraine)
White Collar Crime
Successfully defended a retail company in criminal proceedings involving alleged tax evasion exceeding EUR 1 million, securing cancellation of asset seizures and closure of the criminal case due to absence of criminal offense.
Customs Compliance Dispute – Foreign Industrial Manufacturer (Ukraine)
International Trade Law
Customs Compliance Dispute – Foreign Industrial Manufacturer (Ukraine)
International Trade Law
Successfully represented an international industrial manufacturer in a customs dispute, securing court decisions confirming absence of customs violations, termination of administrative liability proceedings, and return of detained goods for customs clearance.
Landmark Anti-Dumping Circumvention Investigation – First Final Duties Applied in Ukraine
International Trade Law
Landmark Anti-Dumping Circumvention Investigation – First Final Duties Applied in Ukraine
International Trade Law
Represented domestic manufacturers in multiple anti-dumping investigations, securing the first-ever application of final anti-dumping duties in Ukraine against circumvention of existing trade measures, leading to the imposition of duties of up to 67.4% and establishing a key national precedent in trade defense enforcement.
International Arbitration Victory – Defence Supply Contract Dispute
ADR Mediation & Arbitration
International Arbitration Victory – Defence Supply Contract Dispute
ADR Mediation & Arbitration
Successfully represented a state-owned defence exporter in VIAC arbitration against a foreign military equipment supplier, securing an award exceeding EUR 20 million, including recovery of advance payments, penalties for non-delivery, interest, and reimbursement of the majority of legal and arbitration costs.
Vessel Arrest Release – Maritime Environmental Claim Dispute (Ukraine)
Admiralty & Maritime
Vessel Arrest Release – Maritime Environmental Claim Dispute (Ukraine)
Admiralty & Maritime
Maritime Demurrage Claim Recovery – Charterparty Dispute (Ukraine)
Admiralty & Maritime
Maritime Demurrage Claim Recovery – Charterparty Dispute (Ukraine)
Admiralty & Maritime
Successfully represented a foreign shipowner in a charterparty dispute, securing a court judgment ordering the charterer to pay outstanding demurrage, penalties, and legal costs arising from vessel delay during cargo operations at a Ukrainian port.
Tax Penalty Reduction – Administrative Tax Dispute (Ukraine)
Tax
Tax Penalty Reduction – Administrative Tax Dispute (Ukraine)
Tax
Successfully represented a Ukrainian manufacturing company in an administrative tax dispute, securing a tenfold reduction of tax penalties imposed following a tax audit by demonstrating procedural violations and incorrect calculation of statutory deadlines by the tax authorities.
Tax Dispute Victory – Alcohol Licensing and Storage Compliance (Ukraine)
Tax
Tax Dispute Victory – Alcohol Licensing and Storage Compliance (Ukraine)
Tax
Successfully represented a national hotel chain in tax litigation, securing full cancellation of tax assessments exceeding UAH 4 million after courts confirmed compliance with licensing, storage, and reporting requirements for alcohol distribution operations.
Cross-Border Paternity Recognition Procedure – Private Client Matter (Ukraine)
Family
Cross-Border Paternity Recognition Procedure – Private Client Matter (Ukraine)
Family
Successfully assisted a foreign national in completing the legal recognition of paternity in Ukraine, ensuring official amendment of the child’s birth record and issuance of updated civil registry documents reflecting the biological father.
Privatization Auction Dispute – Defense of Real Estate Acquisition (Ukraine)
Real Estate Contracts and Negotiations
Privatization Auction Dispute – Defense of Real Estate Acquisition (Ukraine)
Real Estate Contracts and Negotiations
Successfully represented a private investor in litigation challenging the validity of a real estate privatization auction, securing final court decisions confirming the legality of the auction and preservation of the client’s ownership rights to the acquired property.
First Acceptance of P&I Club Guarantee for Vessel Release (Ukraine)
Marine Insurance
First Acceptance of P&I Club Guarantee for Vessel Release (Ukraine)
Marine Insurance
Achieved the first precedent in Ukraine where authorities accepted a British P&I Club guarantee as sufficient security for maritime claims, enabling the arrested vessel to be released and establishing an important benchmark for maritime practice in Ukraine.
Recognition and Enforcement of UK Court Judgment in Ukraine
Reinsurance
Recognition and Enforcement of UK Court Judgment in Ukraine
Reinsurance
Successfully represented an international reinsurance company in Ukrainian court proceedings, securing Supreme Court approval for recognition and enforcement of a UK High Court judgment and achieving full recovery of the awarded debt in Ukraine.
Medical Malpractice Compensation Settlement – Private Healthcare Dispute (Ukraine)
Medical Malpractice
Medical Malpractice Compensation Settlement – Private Healthcare Dispute (Ukraine)
Medical Malpractice
Successfully represented a private client in a medical malpractice matter, securing a negotiated out-of-court settlement that provided full financial compensation covering medical treatment, rehabilitation, and moral damages resulting from substandard medical services.
Wrongful Death Medical Malpractice Settlement – Private Healthcare Case (Ukraine)
Medical Malpractice
Wrongful Death Medical Malpractice Settlement – Private Healthcare Case (Ukraine)
Medical Malpractice
Successfully represented the family of a deceased patient in negotiations with a private clinic, securing a comprehensive out-of-court compensation settlement covering financial losses and moral damages resulting from medical malpractice.
Supreme Court Victory in Agricultural Supply Dispute – Enforcement of Contractual Penalties
Agriculture
Supreme Court Victory in Agricultural Supply Dispute – Enforcement of Contractual Penalties
Agriculture
Successfully represented a leading international agribusiness group in commercial litigation, securing a final Supreme Court ruling confirming the recovery of contractual penalties, legal costs, and damages from a supplier that failed to deliver agricultural commodities under a long-term supply agreement.
Grain Export Dispute Victory Against State Grain Operator – Commercial Damages Recovery
Agriculture
Grain Export Dispute Victory Against State Grain Operator – Commercial Damages Recovery
Agriculture
Successfully represented a major agricultural exporter in commercial litigation against a leading state grain operator, securing a court decision awarding full recovery of damages caused by wrongful blockage of grain shipments and failure to load railway wagons, with the judgment upheld on appeal.
Cross-Border Sale of 49.99% Stake in Agricultural Holding – International M&A Transaction
Merger & Acquisition
Cross-Border Sale of 49.99% Stake in Agricultural Holding – International M&A Transaction
Merger & Acquisition
Advised the seller in a cross-border transaction involving the sale of a 49.99% equity stake in a major agricultural holding to an international investor, structuring and negotiating transaction documents governed by New York law and coordinating escrow arrangements with an international bank to ensure secure closing of the deal.
Regulatory Counsel for Global Aviation Payment Platform Launch in Ukraine
Aviation
Regulatory Counsel for Global Aviation Payment Platform Launch in Ukraine
Aviation
Acted as Ukrainian legal counsel to an international aviation industry association in launching a cross-border airline payment system in Ukraine, advising on financial services regulation, licensing and registration requirements, corporate structuring, and ensuring full compliance with Ukrainian payment and financial services legislation.