Jan Biemans publishes and teaches regularly on Property Law, Insolvency Law, Succession Law and Finance Law. He participates in interdisciplinary research (law & economics, governance and/or social-psychology).

In his research he focuses on:

- Finance contracts, securities, recourse and insolvency

- Private law regulation of financial innnovations

- Settlement of problematic (insolvent) inheritance estates

- Real estate law, including real estate transactions and creditors'rights and acquisitive prescription