Gerard van Walstijn


M +45 51 25 03 30

Gerard counsels domestic and international clients in the areas of developing, maintaining, and enforcing their strategic intellectual property portfolios. He has drafted and prosecuted hundreds of patent applications relating to advanced technological developments such as cellular communications, simulation software, combustion engines, packaging, computer networking, medical devices, and consumer electronics.

Further, he has personally handled numerous opposition proceedings before the opposition divisions and boards of appeal of the European Patent Office. Gerard has drafted numerous patentability, non-infringement, validity/invalidity, and freedom-to-operate/clearance opinions. Gerard is a court-appointed expert and he is regularly involved in domestic and foreign patent litigation.

Gerard has substantial experience in patenting software and control systems, combustion engines, and user interface technologies. He prepares and prosecutes patent applications primarily in the mechanical and telecom disciplines but also has substantial experience in prosecuting software and medical devices.

Gerard is an expert on the use of the patent prosecution Highway (PPH) and is a regular speaker at events arranged by the Danish Patent Office on the advantages of using the PPH.

As a tutor in CEIPI Gerard teaches candidates for the European Qualifying Examination in the art of European patent practice.

Prior to becoming a European patent attorney, Gerard worked for several years at the European Patent Office in Munich where he examined patent applications and oppositions relating to various technical areas.


Eindhoven Technology University (M.Sc. Mechanical Engineering 1990) European Qualifying Examination (EQE – European Patent Attorney 1998)


EPI, FICPI, AIPPI, Association of Danish Patent Attorneys


Dutch, English, German, Danish, and French