A Zalesov & Partners


Marshala Rybalko Street 2
Building 9, Office 535


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Senior Partner: Ozolina Irina

Quick facts:

Established: 2017
Number of Partners: 4
Number of IP Practitioners: 25
Languages: Russian, English, Spanish

A.Zalesov & Partners — a full-service IP law firm, established by known Russian patent attorneys and attorneys-at-law (advocates) to assist their long standing clients in the most efficient way. The company 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 in the Eurasian Patent Office. 

A.Zalesov & Partners handles our international clients' patent and trademark portfolios (including Madrid System registrations) in Russia and the neighbouring countries (also through the Eurasian patent system), including the countries of the Eurasian Custom and Economic Union.

A.Zalesov & Partners provides a full range of IP services, including patent drafting and prosecution, filing applications for the plant varieties, trademark registration, software and copyright registration, conducting searches, FTOs and validity opinions, IP invalidation and infringement disputes.


Competitive advantages of A.Zalesov & Partners:


High personal success rates in IP disputes

Patent attorneys and attorneys-at-law of the firm are known for their very high success rate in patent invalidation (over 25 invalidated invention patents in the last 4 years with success rate over 76 percent while the average is 30 percent) and infringement trials (both as representative of plaintiffs and defendants). 

Founders are recommended and highly recommended by renown editions

Surveys conducted by legal and business publications consistently rank partners of the firm Aleksey Zalesov and Irina Ozolina as leading IP professionals focused on contentious patent and trademark work in Russia. 

Compliance and professional ethics

The company has adopted Internal Compliance Policy in accordance with high international standards. 


A.Zalesov & Partners motivated and experienced team consists of high-qualified experts in patent prosecution and in IP litigation who share our commitment to both meeting and exceeding our clients' expectations while upholding the highest professional and ethical standards. To give our clients A to Z services in IP protection we are keen to have the best professionals in every field that our clients might need.

The A.Zalesov & Partners team is bound by professional ethics of patent and trademark attorneys set out by the law. The founders of the company being attorneys-at-law are also bound by the Code of Professional Ethics of Advocates, setting out the high corporate standards for lawyers. Our status of attorneys-at-law gives our clients possibility to enjoy all the benefits of the client-attorney priviledge, including strict immunity of client-attorney information from any disclosure, including disclosure on demand of administrative bodies, prosecutors, etc.


Network Memberships: INTA, AIPPI, Russian Chamber of Patent Attorneys 


Last updated 17th July 2019


Key IP Areas:

Designs, Life sciences, Patent contentious, Patent litigation, Patent prosecution, Patent strategy & counseling, Trade mark contentious, Trade mark litigation, Trade mark prosecution, Trade mark strategy & counseling


Key Sector Expertise:

Artificial intelligence, Biotechnology, Chemistry, Computer technology & services, Electrical, Electronics, Fashion & luxury goods, Food & beverage, ICT & software, Life sciences, Medical device, Mechanical, Nanotechnology, Pharmaceutical, Optics & photonics, Technology hardware, Tobacco, Semiconductors, Robotics, Renewable energy, Telecommunication, Oil & gas, Agriculture