Olena Perepelynska

Leaders in Law endorses Olena Perepelynska as our exclusively recommended Arbitration Law expert in Ukraine. If you wish to get in touch with Olena, please use the contact information provided above.

Professional Expertise

  • Head of International Arbitration
  • Recognized legal expert in international arbitration, litigation and international trade with 19 years of professional experience in these fields
  • Since 2003, she participated as a representative in over 90 arbitral proceedings in more than 10 jurisdictions under the following arbitration rules – ICC, LCIA, SCC, SCAI, ICAC and MAC at UCCI, GAFTA, FOSFA, LMAA, UNCITRAL
  • Acted as an arbitrator in over 70 arbitrations seated in Almaty, Bishkek, Vienna, Kyiv, London, Paris, and Stockholm

Industry Focus

  • Agriculture
  • Chemicals
  • Energy

Professional Appointments

  • President of the Ukrainian Arbitration Association (since 2016)
  • Vice-President of ICC Ukraine (since 2022)
  • Chair of Arbitration Commission of the Ukrainian National Committee of the International Chamber of Commerce (ICC Ukraine) (since 2022)
  • Vice-President of the Polish-Ukrainian Chapter of the Spanish Arbitration Club (since 2020)
  • Member of the ICC Arbitration and ADR Commission (since 2018)
  • Member of the ICC International Court of Arbitration (since 2018)
  • Member of the Global Steering Committee of the ERA-PLEDGE (since 2019)
  • Member of the Baltic Litigation Fund (BLF) Advisory Committee (since 2021)
  • Head of ADR Committee at the Ukraine’s National Bar Association (since 2021)

Professional Membership

  • Admitted to Ukraine’s National Bar Association
  • Fellow of the Chartered Institute of Arbitrators (FCIArb) and Member of the CIArb Approved Faculty List (AFL)
  • Member of IBA, ICCA, UAA, CEA, ASA, ArbitralWomen, ArbAut

Publications & Speaking Engagements

  • Olena Perepelynska is an author and co-author of more than 130 publications in Ukrainian, Russian, English and Spanish. She takes part in different arbitration events in the CIS counties, Europe, Latin America and the USA, as well as in virtual events, as a speaker, moderator or lecturer.
  • Editorial board member of ICC Dispute Resolution Bulletin (since 2021)
  • View full list of publications


  • ICC Advanced Arbitration Academy for Central & Eastern Europe, 2015
  • Diploma in International Arbitration, Chartered Institute of Arbitrators (the UK), 2014
  • Master of International Law, Institute of International Relations of Taras Shevchenko National University of Kyiv, 2005


  • Spotlight in Dispute Resolution: International in Ukraine (Chambers Global/ Europe 2023); Band 1 (Chambers Global/ Europe 2022). “Olena Perepelynska is excellent at her craft and walks an extra mile to ensure the case is handled with utmost professionalism and care,” one client comments, while another adds: “She was a joy to work with. She’s great at explaining the selected strategy.”
  • Recognized as “Lawyer of the Year” for Arbitration and Mediation, recommended for international arbitration, Litigation, Best Lawyers 2022
  • Recognized as a Thought Leader-Arbitration 2022, Global Leader-Arbitration 2023, Commercial Litigation Future Leaders-Partners 2022, Transport Aviation Contentious 2023, Who`s Who Legal
  • Recognized as Leading Individual for Dispute Resolution, The Legal500 EMEA 2022
  • Recognized as Leader of Practice for International Arbitration and Private clients, “Client’s choice. TOP 100 best lawyers of Ukraine – 2021” by Yurydychna Gazeta
  • Ranked as #1 arbitration practitioner and one of the leading legal experts in International Trade in Ukraine, Ukrainian Law Firms 2021. А Handbook for Foreign Clients
  • Included into the list of the most successful female lawyers in Ukraine, Women in Law 2021
  • Recognized as an expert, Commercial Arbitration; Women in Business Law, Expert Guides 2021
  • Included into Arbitration Powerlist 2020: CIS and Caucasus released by The Legal500 editorial

Representative projects

  • Successfully represented Ukrkhimtransamiak in ICAC (Kyiv) arbitral proceedings against Togliattiazot with over USD 190 million at stake. She prevailed on both the main claim and the counterclaim.
  • Successfully represented the UK-based Jereh’s exclusive official dealer for Ukraine – MOSTON Properties Limited – in a USD 8 million LCIA arbitration against the largest gas production company in Ukraine PJSC UkrGasVydobuvannya. She prevailed on both the main claim and the counterclaim. Later on, she successfully represented the client before the Ukrainian courts of all instances in recognition and enforcement proceedings.
  • Successfully represented one of the leading Ukrainian steel works in USD 1,5 million arbitration against the Russian buyer under the Swiss rules. The tribunal granted 100% claims of her client and rejected all respondent’s objections regarding reduction of penalties.
  • Successfully represented the Swiss grain trader in GAFTA arbitration against another Swiss grain trader, where she has prevailed on damages claim. As a result, the defeated debtor has voluntarily paid the awarded amount to her client.
  • Advised the party on Ukrainian law issues in the USD 2 billion litigation before the High Court of London.
  • Advised a Swiss grain trader regarding fraud and conspiracy litigation in Cyprus against the Ukrainian agricultural group and its UBO.

Public Engagement

  • Takes an active part in improving Ukrainian arbitration legislation
  • Coordinates UAA Arbitration School – an annual platform gathering students and lecturers from different countries aimed at sharing experience and knowledge in the field of international arbitration
  • Supports the global initiative of gender diversity in arbitration through ERA Pledge and other international and local initiatives

Firm Description:

Full-service law firm with offices in Ukraine and Kazakhstan, and contact offices in Germany and the UK. We provide legal advice to companies that need support in large transactions and large-scale disputes, as well as in current operations.

In 18 years Integrites has served more than 1600 clients from around the globe, including Fortune 500 companies and international financial institutions.

Our clients are recognized leaders in various industries: from real estate and construction, infrastructure, and agriculture to manufacturing, pharmaceuticals, and retail. Our Climate Change Task Force provides clients with comprehensive advice on projects targeted at the sustainable development of their business and the country in the context of energy transition and green technologies. Currently, 80% of the companies we serve are international.

Integrites is highly recommended for its cross-border work – investment deals, sophisticated transactions, complex dispute resolution, and for projects which require in-depth industrial expertise. The firm has been consistently recognized by the leading international legal directories and ratings: Chambers Global/Europe, The Legal 500 EMEA, Who’s Who Legal, IFLR 1000, Best Lawyers, FT Innovative Lawyers.


Iryna Sergienko

Our Services

  • Legal services and advice concerning the current and prospective regulatory environment for the gambling industry in Ukraine
  • Consultations on structuring a gambling business in Ukraine and in foreign jurisdictions
  • Legal support of obtaining a license to organize and conduct gambling in Ukraine
  • Legal support of drafting and conclusion of agreements in the field of gambling business
  • Legal services and consultations on certification of gaming equipment, platforms and online games in Ukraine
  • Support of communication with regulatory authorities in the field of gambling services in Ukraine
  • Providing consultations and legal support for gambling and e-sports events in Ukraine
  • Representing the interests of professional players, e-athletes in disputes with the team


Nina Moshynska

Nina Moshynska is a Ukrainian patent and trademark attorney and a managing partner in Ukraine of Gorodissky & Partners.

Ms. Moshynska has an extensive practice, covering all aspects of IP rights protection, including patents, utility models, designs, trademarks, copyrights and has a history of successful protection of clients’ rights in courts of law.

Nina Moshynska graduated from Kiev Polytechnic University and Central Institute of Intellectual Property (Moscow). While working as a deputy director of the Ukrainian Patent Office Research Centre from 1992 to 1995, she contributed to the establishment of the patent system and drafting of the legislative framework for the protection of IP rights in Ukraine.

Ms. Moshynska received training at the World Intellectual Property Organisation, and in 1994 she was a member of the Ukrainian government delegation which signed the Trademark Law Treaty in Geneva.

Nina Moshynska was certified and began her activity as a patent attorney in 1996. During this period, she established the Ukrainian Patent Attorney Association and became its first president.

Ms. Moshynska is a co-founder and a managing partner in Ukraine of Gorodissky & Partners.

Ms. Moshynska has many awards from the Ukrainian Patent Office. She contributed to numerous foreign specialised publications, with regard to the IP rights protection.

Ms. Moshynska is a co-founder, the first President and a member of the Ukrainian Patent Attorney Association, as well as a member of AIPPI, INTA, LESI and MARQUES.

Gorodissky and Partners Ukraine:

Gorodissky and Partners is one of the leading IP law firms in Ukraine.

According to the results of international surveys held annually by the British magazine «Managing Intellectual Property» among IP specialists from more than 100 countries around the world, Gorodissky and Partners Ukraine is recognized as one of the best firms in Ukraine in the field of intellectual property rights registration, as well as protection of IP  rights in courts and during pre-trial procedures.

Patent attorneys and lawyers of Gorodissky and Partners Ukraine provide a full range of services in the field of intellectual property, including: filing applications for titles of protection on industrial property objects, applying for copyright registration, conducting application paperwork, preparing drafts of license agreements and assignment agreements as well as filing them for registration in the patent office, keeping titles of protection in force, representing clients’ interests in prejudicial settlement of disputes, before courts and other competent authorities.

Advanced system of partnerships with foreign law firms, extensive experience and modern means of communication allow handling matters of national and international clients quickly and efficiently, both in Ukraine and in any other country in the world.

Patent attorneys and lawyers of Gorodissky and Partners are members of Ukrainian Association of Patent Attorneys, International Association for the Protection of Intellectual Property (AIPPI), International Trademark Association (INTA), Licensing Executives Society International (LESI), and Association of European Trade Mark Owners (MARQUES).


Oleksandr Zavadetskyi

Advocate Oleksandr Zavadetskyi is the founder of the firm. He received his Law Diploma from Kyiv National University, started his law practice in 1996 and has been admitted to the Bar in 2001. Oleksandr’s main areas of expertise are Dispute Resolution and Business Crime.

Along with handling large litigation cases for high profile multinational corporations, such as AXA Group, ING Group, ZTE Corporation, British American Tobacco, Oleksandr has been involved into recovery and restructuring of international banks’ NPL multi-billion portfolios in the Corporate and Retail sectors, administration and protection of personal assets in various jurisdictions.

In the Business Crime area Oleksandr has represented clients either on defence or on complainant sides in various cases pertaining to Business, Financial and Civil Fraud and White-Collar Crime. In addition, Oleksandr is experienced in representing commercial entities, including foreign companies in Ukraine, in the Criminal Procedure as well as foreign individuals who get into stress situations in Ukraine.


Dispute Resolution practice of the firm intersects in the domains of Civil, Commercial and Public Litigation and is substantially influenced by it’s Criminal Law expertise. The firm proceeds with the cases of any level of complexity and concentrates its efforts on a result-oriented approach to clients’ needs, developing winning Litigation strategies, providing clients with creative and efficient Dispute Resolution competence in various matters.

Zavadetskyi Advocates represents banks, commercial entities and individuals as claimant or defendant, in a variety of disputes before Ukrainian courts. The main focus of the firm’s practice is on achieving material results — a successfully resolved dispute means not just winning judgments in the courtroom, but insuring clients obtain recovery of debts, compensation for losses and other remedies available. As of January 2017 lawyers of the firm have handled over 700 diverse litigation cases with a total value of claims exceeding US$ 3 bn.

The firm has built long history of representing corporations, boards of directors, business owners and individuals in connection with official Investigations, enforcement, audits, inspections and other proceedings brought up by governmental bodies and also the firm is known for its ability to deal effectively with Tax disputes resolution and settlement, Criminal Advocacy related to Taxation.

The firm has been providing Criminal Law advice, defence and representation in criminal courts and within Criminal Investigations to Ukrainian and international businesses, their stakeholders – entities as well as individuals, for years. Also, the firm assists companies, their officers and owners in a wide range of matters related to various aspects of special regulations such as Anti-Bribery, Regulatory Compliance and Investigations, Anti-Money Laundering and other related to criminal risks and regulatory environment.


Peter Z. Teluk

Peter Teluk, Managing Partner of our Kyiv office, represents investors in private equity, mergers and acquisitions, corporate finance matters and real estate transactions.

Peter has served as the Ukrainian general counsel and member of the management team of a multibillion-dollar fast moving consumer goods company with manufacturing facilities in Ukraine and has served as the general counsel of a publicly listed company. Peter handles FCPA, corporate, competition, shareholder agreement, real estate, labor, finance, compliance and marketing matters.


Squire Patton Boggs:

We combine sound legal counsel with a deep knowledge of our clients’ businesses to resolve their legal challenges. We care about the quality of our services, the success of our clients and the relationships that are forged through those successes.

Breadth and Depth

Our client base spans every type of business, both private and public, worldwide. We advise a diverse mix of clients, from Fortune 100 and FTSE 100 corporations to emerging companies and from individuals to local and national governments. In the private sector, we provide the full range of legal advice required to implement practical strategies and resolve disputes. In the public sector, we counsel governments on privatization of whole industries and on establishment of regulatory systems under which new private businesses can compete. We also serve the regional needs of the countries and cities we call home.

Whatever is needed, we are able to deliver the seamless cross-practice, cross-border and industry-specific support that clients require for success in today’s competitive markets.

Client Focus

Clients expect knowledge of their business as well as high-quality legal skills from their law firms. Our combination of legal and industry experience allows us to better analyze client requirements and develop the right approach for the matter at hand. Clients receive tested insight and guidance from a team that understands their needs and is able to offer tailored solutions.

We are dedicated to our clients’ success, and their satisfaction shows it. We continue to advise successor organizations of clients that we represented at our formation some 120 years ago.

Business Has No Borders

With offices in 21 countries on five continents, our global legal practice is in the markets where our clients do business. We also have strong working relationships with independent firms in Europe and Latin America.

Our extensive practice and industry knowledge is shared via one of the most robust technology platforms in the legal business, as well as ongoing rotation of lawyers to our offices around the world. In addition, we apply knowledge- and project-management tools to implement continual business process improvements and enhance the value of our legal services.

Outstanding Value

We emphasize quality, efficiency and alignment with client goals as core standards to improve continually our service delivery and the value of what we do for our clients. We encourage and manage processes and tools to improve pricing models, training and resource optimization, knowledge management and more, all centered on our core focus – delivering the services our clients want, when and where they want them and with the value they deserve.