Limits of speech freedom restriction for the protection of the constitutional system

The article deals with the possible limits of restricting constitutional civil right to freedom of speech in order to protect the state constitutional system; analyzes the innovations and changes in the legislation of the Russian Federation restricting the freedom of speech, assessing their influence on the public and political life, the civil society development and media activity. The author analyzes the concept of extremism and the disposition of the anti-extremist provisions of the Criminal Code of the Russian Federation, as well as the elements of administrative offenses related to them.