The research field horizontally covers criminal law including criminal law dogmatic, criminal acts and substantive criminal law.

The research field covers the entire scope of European criminal law, particularly encompassing the history of European criminal law, EU law, the Charter of Fundamental Rights, framework decisions, the European Arrest Warrant, the principle of ne bis in idem, and the conventions of the Council of Europe.

The research field covers the entire spectrum of international criminal law, including the history of international criminal law, relevant international conventions, international criminal courts, principles such as the ne bis in idem principle, and pertinent case law.