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.

12.11.2024
What is a work of artistic craftsmanship in UK copyright Law? Insights from WaterRower v LikingThis much-awaited Decision sees the UK's approach to copyright for 3-dimensional works diverge from that of the EU. It also provides some guidance on the criteria for a ‘work of artistic craftsmanship’ under UK copyright law, with relevance to the field of applied arts, and especially to vintage design. Keltie attorney Emily Weal explains why this decision matters, and what it means.

20.11.2025
Keltie partners with Eco Ventures CounselKeltie partners with Eco Ventures Counsel to support the next generation of climate innovators.
13.01.2025
Protecting IP in agriculture04.11.2024
T 56/21 – A missed opportunity for providing legal certainty on adapting the description at the EPO21.03.2024
What is Quantum Computing? Part IIIOtherLess related knowledge
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