- methodology of research of private and public law issues,
- ethical and legal principles of a lawyer activity,
- institutional aspects of legal support of public administration,
- reception in private and public law,
- issues of prevention and counteraction to illegal actions in various spheres of economical, socio-cultural and administrative-political life,
- international legal standards of public administration,
- rule-making activity of public authorities,
- information and legal support for the activities of public authorities and local governments,
- issues of legal protection of human rights in public authorities` activity,
- adaptation of the domestic legal system to the EU law,
- current issues of criminal procedure doctrine,
- investigation of crimes committed by members of informal youth groups,
- comparative legal analysis of tax law and process issues,
- issues of legal regulation of relations in the field of physical culture and sports,
- legal support of the theory of public administration,
- institutional and methodological aspects of administrative procedure law,
- methodology of the supremacy of law,
- transport law,
- legal regulation of technical and forensic support of law enforcement intelligence operations,
- issues of budget law and process doctrine,
- doctrinal aspects of land and agrarian law development,
- current issues of the general theory of law.
- juridical globalism,
- theoretical principles of formation and development of civil society in Ukraine,
- law comparative studies,
- current issues of public associations regulations,
- administrative coercion: theory, experience and application,
- innovations in national security legal support,
- current issues of public service relations` regulation,
- issues of the theory of detection and investigation of crimes,
- organizational and legal principles of management in the agricultural sector,
- doctrinal provisions of civil law regulation of relations in the field of service provision and consumer protection,
- Pan-European convergence of legal, economic and cultural foundations of anti-corruption activity,
- legal basis of the theory of democracy.

