Jeroen den Hartog

J.H.J. den Hartog, Dr.


Patent Attorney



Hoyng Rokh Monegier

Amstelplein 1
1096 HA Amsterdam

Tel: +31 20 592 4411



Jeroen is an organic chemist (PhD) and a European and Dutch Patent Attorney. Jeroen specialises in patents, including patent granting procedures, infringement opinions and oppositions and appeals before the European Patent Office. He also is regularly involved in litigation, he advises on IP strategy, due diligence and national and international licensing. Jeroen’s practice focuses on the chemical and biochemical industries (including the pharmaceutical, processing and food industries).


Jeroen is on the editorial board of Berichten Industriële Eigendom, the leading Dutch specialist intellectual property publication, and publishes widely in the field. He is regularly called upon to give presentations and is a Senior Lecturer at the Dutch Institute of Patent Attorneys on the subjects of infringement and freedom to operate.