General info

Yaroslav Ognevyuk heads Sayenko Kharenko’s intellectual property practice and for almost 20 years has been successfully engaged in complex and large-scale projects in the field of intellectual property rights protection in Ukraine.

Yaroslav is one of the most experienced experts in Ukraine in patent and trademark litigation, anti-counterfeiting, IP rights protection on customs borders, copyright infringements, and obtaining well-known trademark status.

Yaroslav has diverse experience in the field of intellectual property. In particular, he has headed the litigation department of the Ukrainian Patent and Trademark office.

For many years, he has combined practice with active pro bono work in professional IP public domestic and international organizations. Yaroslav is known for his communication skills as well as his strategic thinking and ability to plan for a variety of different scenarios.


Gained gold in the individual ranking of the research “The world's leading trademark professionals” by WTR 1000, 2023

Recognised among the world’s pre-eminent IP strategists by the latest edition of IAM Strategy 300, 2019

Recognised among the leading practitioners in IP by WTR Global Leaders 2021

Named Trade mark star 2021-2022 by IP STARS

No.1 IP lawyer in Ukraine according to Ukrainian Law Firms 2021

Named among the best professionals practicing in the field of intellectual property by Managing IP Stars 2020

Recognised among the leading practitioners in IP by Chambers Europe 2023, Who's Who Legal 2022

Recommended among leading practitioners in IP by The Legal 500, 2022

Recognised among the notable practitioners for IP by Client's choice. Top 100 Best Lawyers of Ukraine – 2019, Yuridicheskaya Gazeta

Recognised among the leading lawyers in IP and Litigation by Best Lawyers in Ukraine 2022

Shortlisted for the “IP Lawyer of the Year” according to Legal Awards 2021, Yuridicheskaya Practika


Professional membership and involvement

International Trademark Association (INTA), member of the Anticounterfeiting Committee and Enforcement Committee

Ukrainian Bar Association (UBA)

Ukrainian Advocates Association

Kyiv Bar Association

Ukrainian Group of International Association for the Protection of Intellectual Property (AIPPI)

International Bar Association



Certified patent and trademark attorney (since 2006)

Ukraine, attorney-at-law, admitted to the Kyiv City Bar (since 2005)



Master of Laws, Taras Shevchenko National University of Kyiv

Master’s degree with honor from Kyiv Intellectual Property Institute of National University “Odesa Academy of Law”

Media & Insight Yaroslav Ognevyuk

16 March 2023


Sayenko Kharenko is among the top two law firms in Ukraine according to the Chambers Europe 2023 
10 February 2023


Yaroslav Ognevyuk and Oleg Klymchuk recognised by World Trademark Review 1000, 2023
28 December 2022


Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office regarding the 3D mark
07 December 2022


Counterfeiting is a cynical way of violating trademark rights
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