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Oleg Klymchuk’s practice includes advising, prosecution and litigation in various fields of IP law (copyright, trademarks and patents) as well as advising, administrative enforcement and litigation in the field of protection against unfair competition. Oleg focuses on enforcement of brands and designs against imitation and unfair exploitation. He also actively supports clients in anti-counterfeiting issues.

Oleg’s experience also includes advising IT & TMT suppliers on intellectual property, commercial/transactional, regulatory, and advertising issues. Oleg also has considerable experience in conducting IP due diligence and IP-driven transactions.
In addition to his experience in IP law, Mr Klymchuk regularly advises clients on data protection and privacy, including cross-border transfer and complex personal data issues related to anti-corruption investigations.

Prior to joining Sayenko Kharenko in 2014, Oleg worked for one of leading Ukrainian law firms and in the Kyiv office of an international law firm.

Recognitions

  • Recognized among next generation lawyers for Intellectual property by The Legal 500, 2019
  • Recognized among notable practitioners in IT by Ukrainian Law Firms 2019
  • Named among notable practitioners in Intellectual Property by Ukrainian Law Firms 2019
  • Recognized among leading lawyers in Privacy and Data Security by Best Lawyers International 2020

Admissions

  • Vinnitsa Regional Bar Association (admitted since 2009)

Education

  • LL.M. from Kyiv Intellectual Property Institute of National University “Odesa Academy of Law”

Professional membership and involvement

  • American Chamber of Commerce in Ukraine
  • European Business Association
  • International Trademark Association
  • Ukrainian Bar Association
Experience
Media & Insight

New rules for comparative advertising in Ukraine: what’s new for advertisers and other market players?

by Alla Smorodyna & Oleg Klymchuk
apply-intellectual-property-rights-entrepreneur-russian

How entrepreneur can protect intellectual property rights (In Russian)

by Oleg Klymchuk & Pavlo Kovalchuk
pharma-legal-handbook-ukraine

The Pharma Legal Handbook Ukraine

by Anzhela Makhinova & Oleg Klymchuk & Ivan Baranenko

Five minutes before GDPR comes into force (in Ukrainian)

by Oleg Klymchuk

The importance of privacy notice and its accordance with the GDPR (in Russian)

by Oleg Klymchuk
grace-soft-integration-disputes-among-parties-contract-complex-software-implementation-russian

Grace of soft-integration: disputes among parties of the contract on “complex” software implementation (in Russian)

by Oleg Klymchuk
4027

High "intellectual" court is on the home stretch now (commentary) (in Ukrainian)

by Oleg Klymchuk

Services export and electronic workflow: how to execute a foreign economic agreement in electronic format (in Russian)

by Oleg Klymchuk

"Intellectual" riddles (commentary, in Ukrainian)

by Oleg Klymchuk

White Paper on legal and governance reform in Ukraine: strategic priorities, business and economic sector

by Nazar Chernyavsky & Oleg Klymchuk & Victoriia Mykuliak
3619

Commentary on the ability to search the trade marks′ registration application by date of completion of the formal examination (in Russian)

by Oleg Klymchuk

What Should Ukraine's Business Expect After Signing the Ukraine-EU Association Agreement? (in Russian)

by Oleg Klymchuk