Paul is an internationally acclaimed Professor in Intellectual Property Law at the University of Groningen (Rijksuniversiteit Groningen). Earlier in his academic career he specialized in corporate law issues.
His academic work consists of more than 180 publications. Among other works, Professor Geerts is the author of the textbooks Protection of Intellectual Property (Bescherming van de intellectuele eigendom) and Some Procedural Aspects of the Right of Enquiry (Enkele formele aspecten van het enquêterecht).
In addition he is an editor for well-known periodicals and law reviews.
In addition to his work as Professor and of counsel, Professor Geerts works as deputy judge for several courts.