SION Patent Law Firm


12 Romena Rollana Street,

Kharkiv, 61058, Ukraine

Tel.: +380 95 629 6663



International company SION Patent Law Firm has been providing advisory and legal services on patents since 2011. The company is a member of the Ukrainian Chamber of Commerce and Industry and has headquarters in Kyiv, Kharkiv, London (UK). The company provides quality support to foreign business in Ukraine and helps to enter our market quickly and safely. Our regular customers include top players in pharma industry, IT business, fashion industry, catering, energy, higher education institutions, as well as private innovators and inventors.

The highly-skilled lawyers, attorneys, patent attorneys of the SION team specialize in providing professional services in IP rights, tax, financial and investment law. We offer a comprehensive bundled legal service, pre-conducting deep due diligence of s client’s business, which is a unique service for the Ukrainian market. Our experience in conducting due diligence prevents financial and business risks that could damage clients’ reputation.

Our experts:

– develop a comprehensive business protection strategy;

– provide tax planning and implementation of legal tax optimization schemes;

– provide risk analysis of new product management when entering the market of Ukraine;

– deliver registration of trademarks and other IP objects with the Ukraine IP Office and other countries;

– enter client IP objects into customs registers of intellectual property;

– act on behalf of clients, defend their rights and represent their interests in court;

– reveal the location of production facilities and points of sale of counterfeit products,  ensure prosecution;

– provide interaction with law-enforcement and other government agencies.

SION employees are members of the Ukrainian Bar Association, All-Ukrainian Association of Patent Attorneys; they participate in the development of draft bills, workshops and seminars for lawyers. Our prestige and trust depend on the success and reputation of our clients.

Nataliia Riazanova, a PhD in Law, Patent Attorney of Ukraine No.484, is a SION Managing Partner. She has 15+ years of experience in due diligence of IP rights. Nataliia masterminds SION in the registration of IP rights, intellectual property audit, development of strategies for protecting business intellectual property, following customs procedures, revealing forgery, counterfeiting, trafficking in counterfeit products and commercialization of intellectual property.

Nataliia works with national, foreign and international companies to protect their interests in Ukraine, the United States of America, Czech Republic, Russia, Canada and the United Kingdom. She puts forward an innovative and progressive approach in finding solutions for complex legal cases to defend the position of clients.

Ms. Riazanova works actively with state authorities, participates in discussion of draft laws in the field of intellectual property and acts as a speaker at conferences and specialized seminars. She completed internships in the USA, Germany and the United Kingdom in the field of commercialization of intellectual property. She joined the team of lead educators in two programs, Business and Intellectual Property and Entrepreneurship and Hi-Tech Laws. In cooperation with SION and EX1P, a British venture accelerator aimed at the development of innovative start-ups via training, mentoring, expert support and investments, Nataliia conducts comprehensive due diligence of innovative start-ups to obtain investments for development.

Nataliia enjoys recognition among field professionals and has law and business awards: grand prix of the all-Ukrainian competition (2019 Super Ukrainian Lady in the Profession), WOW Successful Awards (2018 Breakthrough in Innovative Business), 9th place in the WOMAN 500 rating based on research by the European Association for Business Development (2017 Great Business, Great Personality).