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«A.Zalesov & Partners» Patent & Law Firm is a full-service IP law firm that gives IP advice, handles litigation (patents, trademarks and designs) and provides services in patent, design and trademark prosecution in the Russian Patent and Trademark Office and the Eurasian Patent Office. We handle our international clients' patent and trademark portfolios (including Madrid and Hague Systems of trademark and design registration) in Russia as well as in the neighboring countries, including the countries of the Eurasian Custom and Economic Union. Twenty years of experience in conducting patent and trademark disputes between leading players in the relevant markets in Russia and abroad enables us to give verified practical advice on IP protection, invalidation and enforcement strategy.

 

In focus

On the amendments to EAPO official fees

Effective February 01, 2026, the Eurasian Patent Organization will increase certain fees for legally significant and other actions related to applications for Eurasian patents for inventions and industrial designs, and Eurasian patents for inventions and industrial designs.

26.12.2025

A.Zalesov & Partners succeed in a patent dispute concerning Insulin Glargine

«A.Zalesov & Partners» defended the interests of the patent holder in a dispute on invalidating a patent relating to the production of a medicinal product with the INN «Insulin Glargine» for the treatment of type 1 and type 2 diabetes due to an incorrect indication of the author.

11.12.2025

ZTG announces restructuring of its Antitrust practice and expanding its team

«Zalesov, Timofeev, Gusev & Partners» announces the restructuring of its Antitrust and Public Procurement practice. This area has now been established as a separate practice within our firm.

08.12.2025