Research areas of Prof. Dr. Hans-Joachim Cremer
- Methodology of constitutional interpretation
- Reach of a state's responsibility towards fundamental and human rights
- Fundamental and human rights in civil law relations
- Relation of a state's law to public international and european law
- The Euopean Convention on Human Rights
- Joint foreign and security policy in the European Union
- Functions of the guarantees in the European Charter on Fundamental Rights
- Comparative constitutional law and constitutional procedural law
- Philosophy of international relations