The article of O.A.Gorodov, Prof. St.Petersburg State University, PhD, Doctor of Law (Saint Petersburg, gorodovoleg@gmail.com) analyzes the most significant changes made to the Part IY of the Civil Code of the Russian Federation by the Federal Law № 456-FZ of December 22, 2020 «On Amendments to Parts II and IY of the Civil Code of the Russian Federation and Invalidation of Legislative Acts (Individual Provisions of Legislative Acts) of the Russian Federation» (published by the Magazinat p. 54). These amendments, in particular, invalidate Chapter 77 of the Civil Code of the Russian Federation, which contains rules governing relations on the use of the results of intellectual activity as part of a single technology.