Partner
UK, Dutch and European Patent Attorney
UPC Representative
European and Dutch Trade Mark Attorney
European Patent Litigation Certificate (CEIPI, Université de Strasbourg)
MSc Physics, University of Utrecht (NL)
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Joeri is a UK, Dutch and European patent attorney with more than 15 years of experience in supporting his clients’ IP needs with high quality drafting, prosecution and opposition work and sound commercial and strategic advice. He has helped many clients to use their patent portfolio for the benefit of their business or to strategically move around the competition’s IP. Joeri spent a considerable part of his career in-house at a large and innovative multinational corporation, where he developed a deep love for combine harvesters and other agricultural technology.
Joeri's technical background lies in the field of experimental sub-atomic physics and his daily practice covers a broad range of physics, mechanical engineering and control software. Amongst all the different technologies he has been extensively involved in are optical recording, medical devices, agricultural equipment, consumer electronics, and automotive. He regularly represents clients in opposition and appeal procedures at the EPO. In the European patent community, he is best known for his claim drafting courses and his activities as a tutor for the C paper of the European Qualification Exam for aspiring patent attorneys.
07.04.2026
Keltie Celebrates Exam SuccessKeltie is delighted to congratulate six members of our patent team who have recently passed professional qualifying exams.
16.10.2025
Keltie Recognised Again in Chambers UK 2026 rankingsKeltie is recognised once again in the Chambers UK Guide 2026 for excellence in Intellectual Property. The firm has retained its UK-wide Band 2 ranking for Intellectual Property: Patent & Trade Mark Attorneys, reflecting our continued strength, expertise and client commitment across the full spectrum of IP services.
06.08.2024
CRISPR patent battle updateOtherLess related knowledge
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