Natalia Osipenko

  • Patent Attorney
  • Eurasian Patent Attorney

Natalia’s practice focuses on patent prosecution and litigation before the Russian and Eurasian Patent Offices, as well as other competent bodies, such as the Chamber for Patent Disputes, particularly within the fields of chemical technology, engineering and life sciences. She has significant experience drafting applications in the areas of materials science and construction materials and equipment. Natalia’s responsibilities also include preparing patentability, patent validity, freedom to operate and infringement opinions.

Prior to joining PETOŠEVIĆ in 2019, Natalia worked at another international law firm, where she took Russian, Eurasian and PCT applications for major multinational companies through the full prosecution cycle, from drafting and filing, preparing infringement and validity opinions to oppositions and appeals. Natalia also worked as an intellectual property specialist for a Russian manufacturer of navigation instruments for military and commercial aircraft, and as a patent engineer and research scientist for the Belgorod State Technological University, where she was involved in scientific research and IP protection of the university’s research and development activities.

Practice Areas


  • Eurasian Patent Attorney, The Eurasian Patent Organization (EAPO), 2018
  • Patent Attorney, Russian Federation, 2018


Native Russian, fluent Ukrainian, proficient English


  • Russian State Academy of Intellectual Property, Moscow, Russia, Intellectual Property Specialist in Patenting, 2015
  • Belgorod State Technological University, Belgorod, Russia, MSc in Chemical Technology and Biotechnology, 2012
  • Belgorod State Technological University, Belgorod, Russia, BSc in Engineering in Chemical Technology of Silicate and Refractory Non-Metal Materials, 2010


  • "Licensing & Protecting IP in Eurasia" presentation at the LES 2021 Annual Meeting, September 2021


  • “Nouryon Defends Russian and Eurasian Patents from BASF’s Invalidation Actions”. The Patent – Invention Magazine. (August, 2020)

  • Contributor for Russia to the “International Comparative Legal Guide — Patents 2021”. Global Legal Group. (September 2020)

  • “Patents — Eurasia”. Lexology GTDT Practice Guides. Law Business Research. (July 2020)

  • “Ellipsometry of TiOx Coatings Deposited in a Magnetron Apparatus with an Unbalanced Magnetic System: Effect of the Oxygen Concentration and the Magnetron–Substrate Distance.” Journal of Optical Technology. Volume 83, Issue 4. S.I. Vavilov Optical Institute. (2016)

  • “University Startup Step by Step”. Belgorod State Technology University. (2014)

  • “Study of Optical Properties and Assessment of the Photocatalytic Activity of TiOx Coatings Synthesized by the Method of Magnetron Sputtering”. Refractories and Technical Ceramics. Issue 10. Mettex. (2013)

  • “Improvement of Determination Method of Glass Batch Homogeneity.” Technique and Technology of Silicates. Issue 2. D. Mendeleev University of Chemical Technology of Russia. (2013)

  • “Research of the Properties of TiOx-Coatings, Formed with Use of Vacuum and Plasma Technologies.” Fundamental Research. Issue 11(5). Academy of Natural History. (2012)

  • “The Technique of Definition of a Complex of Characteristics of Transparent Thin Coverings.” Refractories and Technical Ceramics. Issue 9. Mettex. (2011)


  • LES - Chemicals, Environment, Energy, and Materials Committee


  • LES
  • Russian Chamber of Patent Attorneys