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Nazar Chernyavsky

Work +38 044 499 6000
Sayenko Kharenko

Work Department

Banking & Finance, Bankruptcy & Debt Restructuring, Capital Markets, IP.


Nazar Chernyavsky, partner at Sayenko Kharenko, specializes in banking, capital markets, secured and structured finance. Mr Chernyavsky advises clients on a wide range of major private and public securities offerings, syndications and secured finance transactions. He has extensive experience of handling the most complex financing projects in the Ukrainian market including the first securitizations in Ukraine, Rule 144A share offerings, Tier II Eurobond offerings, UAH linked LPN issues, etc. 

Mr Chernyavsky combines his professional expertise in cross-border finance and capital markets with unique understanding of the transactional aspects of intellectual property law. He has helped to create tax-efficient IP holding structures in Ukraine and handled complex projects providing for the transfer of IP rights and setting up technology-related businesses. He has a reputation as one of the top IT sector lawyers in Ukraine, advising investors and start-ups on various aspects of their operations.


Prior to joining Sayenko Kharenko, Mr Chernyavsky worked at a number of leading Ukrainian law firms.


Ukrainian, Russian, English.


  • Outreach Enabling Technology Officer of the IBA's Technology Law Committee
  • Deputy Chair of the IT Committee of the Ukrainian Bar Association (UBA)
  • Member of the Board of the UBA Committee on Banking, Finance and Insurance Law
  • International Trademark Association (INTA)


  • LL.M., summa cum laude, from Kyiv National Taras Shevchenko University School of International Law
  • Intercollegiate LL.M. program at Queen Mary College of the University of London


Banking, finance and capital markets

Within: Leading individuals

Nazar Chernyavsky - Sayenko Kharenko

Within: Banking, finance and capital markets

‘Strong, solution-oriented firm’ Sayenko Kharenko ‘combines an exceptional grasp of banking legislation with a practical touch’. Nazar Chernyavsky, Michael Kharenko and counsel Anton Korobeynikov count Citigroup, JPMorgan and Morgan Stanley among their clients. Counsel Igor Lozenko rejoined the firm in December 2017 from Avellum.

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Within: Energy

Sayenko Kharenko handles the development, acquisition, disposal and financing of energy projects for clients such as Energoatom and the EBRD. Nazar Chernyavsky, who advised Citibank on a €478m financing for Naftogaz, and Vladimir Sayenko are recommended.

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Intellectual property

Within: Intellectual property

Sayenko Kharenko is ‘incredibly impressive’ in this space. Oleksandr Padalka advised Porsche Ukraine on matters relating to its VW, Audi and Seat brands. Nazar Chernyavsky is another key name.

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Legal Developments by:
Sayenko Kharenko

Legal Developments in Ukraine

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to

    A power purchase agreement or PPA is one of the core documents needed for the purchase of electricity produced by a power plant.
    - GOLAW

    A new blocking system for tax invoices, along with a new procedure for suspending the registration of tax invoices in the Unified Register of Tax Invoices, has been in operation since March 2018 in Ukraine. According to the new procedure, established under Cabinet of Ministers of Ukraine resolution № 117 of Feb. 21, 2018, the registration of tax invoices is suspended when such invoices meet the risk criteria of the transaction, or when the taxpayer meets the risk criteria set for taxpayers.
    - GOLAW

    Strong oversight of corporate security and risk-taking is surely one of the most critical component of companies’ management process. We are no longer talking about whether or not boards should implement corporate governance and compliance policies: in the current climate we are grappling with the issue of all-round companies’ protection, which raises a much more meaningful set of questions.
    - GOLAW
  • Doing business in Ukraine: turning point for the currency control in Ukraine

    One of the most hotly discussed topics in 2019 is currency control liberalization in Ukraine.The currency control liberalization was one of Ukraine’s priorities under the EU-Ukraine Association Agreement. At the beginning of 2019 the National Bank of Ukraine (hereinafter the “NBU”) approved and promulgated all long-awaited regulations, serving as the basis for a new liberal system of foreign currency control. The new currency control system will be launched on 7 February 2019, the same day as the Law of Ukraine  On Currency and Exchange Transactions  becomes applicable. The changes are aimed at deregulation, facilitating cross-border transactions with foreign currency and expanding the list of available foreign currency transactions.
  • AVELLUM successfully represents client’s interests in GAFTA arbitration

    AVELLUM successfully represented the client's interests in GAFTA arbitration in the dispute with a Swiss trading company.
  • AVELLUM advised EVO Group on its merger with Rozetka

    AVELLUM acted as the legal counsel to EVO Group, the internet company behind Ukraine’s leading marketplace, in connection with its merger with Rozetka, the leading online retailer based in Ukraine.
  • Viktoriia Morozova joins the AVELLUM’s Energy practice as of counsel

    AVELLUM is happy to announce that Viktoriia Morozova has joined the firm’s Energy and Infrastructure practice as an of counsel.
  • AVELLUM promotes Vadim Medvedev to tax partner

    AVELLUM is happy to announce the promotion of Vadim Medvedev to partner effective from 1 January 2019.
  • Certificate vs. Declaration of Conformity: What to Choose?

    Most Ukrainian companies have become accustomed to the fact that since 1 January 2018 the state certification system no longer exists in Ukraine. The compulsory certification abolishment, the transition to voluntary certification, and the application of technical regulations are part of the technical regulation system reform. Ukrainian manufacturers and importers therefore wonder: which document should be used to certify the conformity of products – a certificate of conformity or a declaration of conformity?
  • 2018 FCPA Enforcement Actions and Highlights

    Overall, 2018 was a more active year in terms of Foreign Corrupt Practices Act ("FCPA") enforcement actions compared to 2017.