The report of the Managing Partner of «A.Zalesov & Partners» Aleksey Zalesov on the topic «Assessment of the inventive step of an object in patent validity disputes and its relation to the scope of legal protection of an invention» at the III International Scientific and Practical Conference «Intellectual Rights: Challenges of the 21st Century» held on November 09-13, 2021 on the basis of the National Research Tomsk State University.