Counsel, Attorney-at-Law



Ilarion has been defending clients’ intellectual property rights in courts since 2006.

Expert in damage recovery and protection of intellectual property rights on the Internet.

Member of Parallel Imports Committee at the International Trademark Association (INTA).

Mentor and coach of teams at legal and media hackathons and moot courts:

  • Moot Competition on Intellectual Property, UBA Students’ League
  • Legal Education Reform Hackathon, UBA Students’ League
  • Legal Design Jam, KYIV Legal Hackers
  • Mediengeist, Accelerator of Anti-disinformation Projects, Kunsht, supported by Goethe-Institut in Ukraine
  • Infoton Online Competition, Unicef, USAID, Inscience

Lecturer at experts’ communities:

  • NaUKMA Law Clinic
  • All-Ukrainian School of IT and Internet Law
  • National Legal Course on Intellectual Property Law, ELSA Kyiv
  • USF Legal, Ukrainian Startup Fund

Combining the experience of a lecturer, an in-house lawyer, and an advisor.

IP blogger at


  • The Legal 500 2021-2024 recommends Ilarion as a Next generation partner in intellectual property.

  • The global directory World Trademark Review 1000 2020-2024 gave a positive feedback on Ilarion's work: “A creative and efficient trademark enforcer with strong research skills, Ilarion has an uncommon approach and offers outstanding solutions.”

  • IP Stars recommends Ilarion as a Trade mark star 2022-2023.

  • Who's Who Legal 2023 recommends Ilarion Tomarov in IP - Copyright.

  • Yurydychna Gazeta 2020-2022 has listed Ilarion as a leading practitioner in the field of Intellectual Property.

  • Ilarion is listed among the top 100 best lawyers of Ukraine. Client's Choice 2020-2022 from the Yurydychna Gazeta.


Data Privacy,
Intellectual Property,

Personal goal

To write a book and set up a modern school of law


Design thinking

Life credo

«A smooth sea never made a skillful sailor»

selected projects

Wikimedia Ukraine NGO

Vasil Kisil & Partners has successfully represented Wikimedia Ukraine NGO in court in the case regarding recognition of a post as false and refuting it.

Oysters Cava Bar



Let's say you bake delicious croissants, and those who have tasted them once wait every day for fresh pastries. Today, an Instagram account with photos of croissants from different cafés and their reviews is likely a more profitable business. Croissants are a traditional business. But if you are selling social media accounts, the validity of the deal costs much more. A recent Ukrainian alternative is the Law on Virtual Assets (the "Law"). What risks should be considered and how to mitigate them, why Ukrainian jurisdiction could become a new black for virtual assets – read on...

Ilarion Tomarov


Q&A about Cross-Border Copyright in Ukraine 2021

Ilarion Tomarov


The article is available in Ukrainian

Ilarion Tomarov