The article presents a scientific analysis of reports and speeches at the All-Russian scientific conference with international participation "XXV years of the Constitution of the Russian Federation: transformation of the paradigm of law in the civilizational development of mankind" (December 10–11, 2018, Moscow, Central House of scientists RAS). The participants focused on the historical and legal aspects of the enactment of the Constitution of Russia in 1993, importance of the Constitution for society at the present stage of development of the Russian state, topical issues of development of domestic constitutionalism, the problems of the relationship of society, power and the Basic Law, the analysis of models of constitutional justice and the structure of the judicial system, issues of state sovereignty.