Loyens & Loeff

Jan de Heer

Visitors address

Blaak 31
3011 GA Rotterdam
The Netherlands

Jan de Heer

  • Attorney at law
  • Associate

Jan de Heer, attorney at law, is a member of the Competition & Regulatory practice group. He specialises in general (procedural) administrative law and has a special interest in economic administrative law (regulated markets), administrative enforcement issues and matters in the overlapping area between public/private law. Jan advises and litigates for both (local) governments and large enterprises.

Jan is a member of Loyens & Loeff’s Life Sciences Team. He is involved in the first-year course Introduction to Administrative Law of Leiden University as a guest lecturer.


Constitutional and Administrative Law, Leiden University, 2013 (cum laude)


Dutch, English