Infrastructure 1 Is your state a party to the New York Convention? Are there any noteworthy declarations or reservations? Yes, Ukraine is a party to the New York Convention. It was ratified in 1960 by the Ukrainian Soviet Socialist Republic (SSR) (as a part of the former Soviet Union). Following the declaration of independence in 1991, Ukraine confirmed its obligations under all international treaties entered into by the Ukrainian SSR, including the New York Convention...
Asters
Overview
Founded in 1995, Asters is the biggest full-service Ukrainian law firm with offices in Kyiv, Brussels, Washington, D. C. and London. The Firm provides efficient transactional legal advice and represents clients on a broad spectrum of matters arising in the course of doing business in Ukraine. Asters combines established world-class quality, international recognition and strong local presence.
Asters is recognized Ukraine Law Firm of the Year by Lexology Index Awards (2018-2025), The Lawyer (2021, 2020), and Chambers & Partners (2020); and named No. 1 law firm in Ukraine according to the 2026 Top 50 Law Firms Annual National Ranking by Legal Practice Weekly. The Firm is also highly recommended in Ukraine by major international reviews, including IFLR1000, Chambers Global and Chambers Europe, The Legal 500. Firm's partners and lawyers are distinguished by the world's best peer review-based surveys such as Lexology Index, Best Lawyers.
Asters offers a full range of legal services and keeps high reputation for its expertise in a wide array of practices, such as banking and finance, capital markets, corporate and M&A, competition and antitrust, compliance and anti-corruption, cybersecurity, dispute resolution, energy and resources, environmental protection and sustainable development, family and inheritance law, forensic, intellectual property, international trade, labour and employment, mediation, private clients, public advocacy and law, public-private partnership, real estate and construction, restructuring and insolvency, state aid, taxation, telecommunications, and white collar crime.
The Firm has extensive industry-specific experience and plays a leading role in advising clients in various market sectors, including agriculture, automotive, aviation, banking and finance, energy, infrastructure and transport, insurance, media and advertising, military and defence, oil and gas, pharmaceuticals and healthcare, private equity, real estate and construction, retail and consumer goods, spots, telecommunications and IT.
All Asters' attorneys received their Ukrainian law degrees from the best Ukrainian law schools and have developed problem-solving skills and experience from years of practicing business law. Most attorneys are fluent in English. A number of our lawyers earned LL.M degrees at prominent U.S. and European universities, and have gained substantial international experience working at the leading international law firms in the US, UK and Ukraine.
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Yaroslav Petrov
PartnerArticles
One Year Later: The Results and Prospects of the Ratification of the Istanbul Convention
One year ago, on June 21, 2022, the President signed the law on the ratification of the Council of Europe Convention on the prevention of violence against women and domestic violence and the fight against these phenomena. The Convention entered into force for Ukraine on November 1, 2022. Asters partner Talina Kravtsova and the company's lawyer Maryna Kornienko analyzed what happened during this time and what steps Ukraine took to combat violence against women . On June 1, 2023, the EU Council approved the accession of the European Union to the convention...
Press releases
Asters Successfully Represents Teva Ukraine
Asters has successfully represented Teva Ukraine in proceedings before the Antimonopoly Committee of Ukraine (AMCU) concerning alleged violations of competition law.The AMCU investigated whether Teva Ukraine’s system of retrospective discounts on pharmaceutical products restricted competition or contributed to price increases.Throughout the proceedings, Asters’ team collected extensive analytical data, market studies, and other supporting evidence to demonstrate that the company’s discount mechanism had no anti-competitive effect. Instead, it fostered competition and helped reduce prices across the distribution chain...
Olena Kozhokar is promoted to Counsel
Asters is pleased to announce the promotion of Senior Associate Olena Kozhokar to Counsel in the Intellectual Property team, effective 1 January 2026.Olena's practice focuses on IP rights enforcement, data protection, and advertising matters. She also advises on Foreign Corrupt Practices Act (FCPA) compliance and internal investigations issues.Since joining Asters in 2011, she has gained experience in licensing and assignment matters, including complex transactions involving IP rights, representation before the Ukrainian IP Office and customs authorities, and in trademark and patent disputes...

