Kateryna Oliinyk Partner, Attorney-at-law

• Advised and developed IPR protection strategies;
• Negotiated agreements on IPR management, on the creation and use of IP rights, including in the IT field;
• Represented clients in court disputes related to IPR violations (trademarks, inventions (utility models), industrial designs, indication of the origin of goods, commercial names, copyrights);
• Protected intellectual property rights on the Internet, supported a domain dispute resolution process, resolved domain disputes as an arbitrator in the UDRP and URS procedures (National Arbitration Forum (Minneapolis, Minnesota, USA);
• Supported the process of recognition of trademarks as well-known in Ukraine in administrative and judicial procedures.

Kyiv State Linguistic University, specialist for English and German languages and literature

Interregional Academy of Personnel Management, specialist in commercial and labor law

Institute of Intellectual Property and Law, advanced training in the field of intellectual property

WIPO Academy, Switzerland

In 2024, Kateryna was elected Co-Chair of the Chamber Intellectual Property Committee of the American Chamber of Commerce in Ukraine (ACC). 

Kateryna is a member of the working group organized by Hostmaster LLC (administrator of .UA domain) to implement the out-of-court dispute resolution procedure at the World Intellectual Property Organization (WIPO) Arbitration Center under a unified procedure based on the UDRP (Uniform Domain Dispute Resolution Policy). She participated in the development and improvement of e-commerce legislation and copyright protection on the Internet. In recent years, she has closely worked with the IT and telecommunication sector and was involved in the development of a multi-level Internet governance model in the Ukrainian Internet segment. Katerina is the author of articles on IP protection.

Chambers Europe 2018-2025 recommends Kateryna in the field of intellectual property.

Clients appreciate her attentiveness, with one commenting on her work: "She was always available and ready to help."

In 2025, Kateryna Oliinyk won the Legal 500 Central & Eastern Europe Awards 2025 in the categories Lawyer of the Year – Intellectual Property (Ukraine) and Lawyer of the Year – Country Awards (Ukraine)

According to The Legal 500 EMEA 2019-2025, Kateryna is recognized as a "Leading Individual" in the field of intellectual property.

Client testimonials describe Kateryna as "An outstanding communicator who provides exceptional support in our projects. She exhibits a high level of determination and focuses on results."

Kateryna Oliinyk was listed among the leading lawyers by Who's Who Legal 2023-2024 in the Data category.

Who`s Who Legal 2024 recognises Kateryna among the leading lawyers in the patents category.

WTR Global Leaders 2020-2024 included Kateryna in their list in the Private Practice: Trademarks category.

The World's Leading Trademark Professional (WTR 1000) 2018-2024 recommends Kateryna in the field of IP, also noting her in the GOLD category (2019-2026).

IP Stars 2020-2024 recognized Kateryna in the highest category as a "Trademark Star".

IAM Patent 1000 2023-2025 recognises Kateryna in the silver category in Intellectual Property: Patent Law.

According to the research Client's Choice. TOP 100 Lawyers of Ukraine Kateryna was included in the list of TOP 100 Lawyers of Ukraine 2025 and was also recognised as a Practice Leader in Intellectual Property.

In the Ukrainian Women in Law 2023, 2025 research by the Yurydycha Gazeta, Kateryna was recognized among the "Women Leaders of the Legal Market".

Kateryna is noted in the Leaders of Practice category according to the Yurydycha Gazeta's "Client's Choice 2023" legal market research.

Best Lawyers 2018-2022 recognizes Kateryna as a specialist in the field of intellectual property and information technology.

The Yurydycha Gazeta's "Client's Choice" legal market research 2018-2020 recommends Kateryna Oliinyk in the IP practice.

The National rating "Ukrainian Legal Firms. Guide for Foreign Clients" 2018-2020 acknowledges Kateryna among the leading lawyers in the field of intellectual property and information technology.

According to the "Market Leaders. Legal Company Rating - 2023" research by the Yurydycha Gazeta, Arzinger is recognized among the Practice Leaders. It holds the top position in the intellectual property practice.

Participant in the ICANN58 scholarship program (Copenhagen, Denmark)

Participant in the ICANN60 scholarship program (Abu Dhabi, UAE)

American Chamber of Commerce in Ukraine, Co-chair of the Intellectual Property Committee

International Trademark Association (INTA)

Ukrainian Bar Association

IT Committee of the Union of Ukrainian Entrepreneurs

Pharmaceutical Trademark Group (PTMG)

ICANN