Managing Partner, Head of Intellectual Property Practice, AMBASSADORS

Yaroslav Ognevyuk is a qualified attorney and patent practitioner with more than 20 years of experience in intellectual property, technology law, complex litigation and the legal dimensions of cybersecurity.

Yaroslav leads high-stakes IP disputes, including trademark infringement, invalidation actions, complex patent litigation and Supreme Court proceedings. He is particularly recognised for his work with unconventional trademarks and legally sensitive disputes where litigation strategy, market context and reputational considerations must be aligned.

His practice also covers the protection of digital assets, online enforcement, cyber incident response, anti-counterfeiting strategies and legal risk management for companies operating in technology-driven markets. He regularly acts as lead counsel in matters with cross-border implications and coordinated enforcement elements.

Clients value his ability to build litigation strategies in commercially sensitive disputes, combining precise legal analysis with a strong understanding of business priorities, market dynamics and reputational risk.

Yaroslav holds a law degree and advanced qualifications in intellectual property law, including an LL.M. in Technology Law. He has been consistently recognised for more than 15 years by leading international and Ukrainian legal rankings, including ULF, Chambers and Partners, The Legal 500, WTR Global Leaders, IAM Strategy 300, WTR 1000, IP Stars and others.