The article is devoted to the study of prerequisites for the codification of competition protection legislation.The author starts from the history of competition law, which is divided into four stages, and comes to the conclusion that Russian competition law was formed after the transition of the Russian economy to the market and does not have continuity with pre-existing legislation.The study of the current state of competition law allowed the author to draw a conclusion about the relevance of its codification. This conclusion is justified, in particular, by the considerable volume of regulatory material that is devoted to the protection of competition, its distribution on different legislative acts, as well as the presence of internal conflicts and inconsistencies in it.