The chair of Public law, European and international law as well as antitrust and regulatory law researches and teaches public law, European law and international law.

In public law, research focuses on constitutional and administrative law, economic administration law, antitrust law and regulatory law, as well as natural resources law.

In European law, research interests lie in particular in antitrust and regulatory law, common trade policy, customs law, European administrative law and the external relations of the European Union.

Research interests in international law are WTO law, international competition and antitrust law, investment protection law, state immunity and international administrative law.