Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Oleksiy Didkovskiy
Hall of fameAsters
Co-Managing Partner. Oleksiy focuses on international arbitration and cross-border litigation, corporate and M&A, GR.
Serhii Sviriba
Hall of fameAsters
Co-Managing Partner. Serhii focuses on international arbitration and cross-border litigation with particular expertise in complex disputes in oil and gas, energy and natural resources, real estate and construction, media and technology sectors, financial transactions, as well as in connection with top-managers’ duties and fraud.
Sergey Pogrebnoy
Hall of fameSayenko Kharenko
Sergey Pogrebnoy, partner at Sayenko Kharenko, has been deeply engaged in corporate security issues for more than 25 years. He has extensive expertise in developing and implementing corporate security systems, conducting internal investigations into allegations of corporate fraud, and defending client interests in corporate conflicts. Mr Pogrebnoy has gained considerable experience in advising clients on the most critical aspects of their business from investigatory and enforcement actions against them to protection in criminal proceedings. Mr Pogrebnoy’s experience includes advising clients on complex litigations, multi-million dollar investment projects, corporate law and management issues, infrastructure, construction and alternative energy projects.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Oleg Batyuk
Dentons
Oleg Batyuk is the Ukraine Managing Partner and Head of the Ukrainian Corporate Practice in Dentons’ Kyiv office. Oleg is one of the leading lawyers in Ukraine. He has substantial experience advising international and domestic clients on foreign investments in Ukraine, joint ventures, loan arrangements, banking regulations and transactions on international capital markets. Oleg has advised major international companies and financial institutions on key infrastructure projects in Ukraine. He has been engaged as an expert witness on Ukrainian legal matters in several high-profile litigation and arbitration proceedings in England, USA, Canada and Sweden.
Pavlo Byelousov
Aequo
Partner, specialising in International Arbitration and Cross-Border Litigation, Bankruptcy and Restructuring
Kostiantyn Likarchuk
Avellum
Kostiantyn Likarchuk is a Senior Partner of AVELLUM and Head of International Arbitration practice. He focuses on international arbitration, complex cross-border litigation proceedings, assets tracing and recovery, corporate investigations, and international aspects of white-collar crime. Kostiantyn has significant experience advising clients on various antitrust matters. Kostiantyn represents clients in Ukrainian civil, commercial and administrative courts of all instances and acts as counsel before arbitral tribunals in major arbitration forums. He advises, along with leading global dispute resolution practices, on all aspects of litigation strategies, including on numerous cases involving major common law jurisdictions. He acts for international and Ukrainian businesses and investors in their international arbitration and cross-border litigation matters. Kostiantyn also regularly acts as expert on Ukrainian law before foreign courts, including English courts and arbitral tribunals.
Vadim Medvedev
Avellum
Vadim Medvedev is a Partner with AVELLUM’s tax practice and specialises in tax and succession planning matters. He has significant experience advising clients in international tax planning, transaction structuring and succession planning matters. He also provides general corporate and commercial advice.
Olexander Droug
Sayenko Kharenko
Olexander, partner at Sayenko Kharenko, specialises in dispute resolution and restructuring with a special focus on arbitration and commercial litigation. He advises local and foreign clients at all stages of dispute resolution proceedings, including complex multi-jurisdictional proceedings involving Ukraine, the UK, Cyprus, the BVI, Switzerland, The Netherlands and other fora, as well as commercial and investment arbitration under the arbitration rules of all major international arbitration institutions (LCIA, ICC, SCC), CIS-based arbitration institutions, ICSID Arbitration Rules and UNCITRAL Arbitration Rules. Mr Droug also advises clients on obtaining and implementing interim relief, including in support of arbitration proceedings and litigation, as well as on recognition and enforcement in Ukraine of arbitration awards and foreign court judgments. Mr Droug has represented clients in proceedings relating to banking, financial services, securities, M&A, shareholders, trade, telecommunication, construction, energy, aviation, and product liability, as well as sports-related disputes. He also has significant experience representing both lenders and borrowers in financial restructuring and related disputes. In March 2017, Olexander was added to the list of arbitrators elected to settle disputes arising in financial restructuring procedures. Mr Droug regularly contributes to key legislation in the areas of arbitration, litigation and restructuring. For example, Mr Droug has recently been involved in drafting/amending the following draft legislation and/or regulations: participating in the working group of the Ukrainian Arbitration Association on development of a draft law on improvement of judicial support for international arbitration by the Ukrainian courts; advising the World Bank on the development of a draft law on financial restructuring (establishing a legislative framework for informal workouts and pre-packaged restructurings); advising the EBRD on the development of a draft law on derivatives (addressing close-out netting).
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Avellum
Mykyta Nota is a Partner and the Head of AVELLUM's Competition practice. He focuses on competition & antitrust, arbitration, and cross-border litigation. Mykyta advises clients on all aspects of competition & antitrust law, involving merger control, concerted practices, abuse of dominance, state aid, unfair competition, and competition litigation.  He also counsels on antitrust matters in relation to multinational and domestic acquisitions and joint ventures, including merger clearances by the Antimonopoly Committee of Ukraine. He regularly acts for clients in international arbitrations under the ICC and LCIA Arbitration Rules. Mykyta Nota boasts over 11 years’ experience in representing clients in post-M&A and shareholders’ disputes in high-profile cross-border matters across various sectors like fast-moving consumer goods (FMCG), energy, agriculture, banking, and the real estate sectors. Mykyta is experienced in resolving complex competition disputes involving multinational companies, particularly claims on private enforcement of competition law and annulment of decisions of the competition authority.
Leading associates
Rising stars with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Sergiy Dusanovsky
Asters
Counsel. Sergiy has over 15 years of experience in representing foreign and Ukrainian clients in national courts, corporate investigations, international and national arbitration, focusing on civil and commercial disputes, as well as enforcement proceedings. He has successfully represented foreign and Ukrainian companies in various disputes on corporate conflicts, contracts, debt recovery and in disputes with state authorities. Sergiy also participated in multinational corporate internal investigations touching sensitive compliance issues, involving data privacy, anti-bribery and anti-corruption.
Andriy Fortunenko
Avellum
Andriy Fortunenko is a Partner at AVELLUM’s Dispute Resolution practice and Head of White-Collar Crime Practice. Andriy regularly represents national and foreign companies before the law enforcement and regulatory authorities. He has extensive experience in criminal proceedings related to fraud, embezzlement, cybercrime, and corruption-related offences. Andriy also handles complex multi-jurisdictional investigations into money laundering and represents the clients before INTERPOL. Andriy’s expertise also include contentious matters involving cryptocurrency, as well as gambling law.
Oleg Kuchanskyy
Dentons
Oleg Kuchanskyy is a counsel in Dentons' Kyiv office. As a member of the Global Real Estate Group, Oleg has extensive experience advising on the development projects of international companies in Ukraine. He also specialises in general corporate and commercial law. Oleg has gained considerable experience in mergers and acquisitions, participating in a number of deals involving international banks.
Firms in the Spotlight
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News & Developments
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Dispute resolution

AVELLUM successfully represented Swiss Company in GAFTA arbitration

AVELLUM represented a Swiss Company (“Claimant”) in GAFTA arbitration dispute under CIF sale contract with an Egyptian company (“Respondent”) regarding compensation of damages in the form of demurrage and interest for the late payment for the goods.
Avellum - 07 February 2020
Dispute resolution

AVELLUM represented UK citizen in Supreme Court of Ukraine

AVELLUM represented UK citizen in Supreme Court dispute regarding return of wrongfully retained child to England. AVELLUM successfully represented a UK citizen in the Supreme Court of Ukraine (“Supreme Court”) in a dispute regarding the return of a wrongfully retained child to England.
Avellum - 07 February 2020