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.
15.01.2026
Leading the way in life sciences IP: Q&A with Devanand CreaseKeltie is again recognised among the very best in global patent practice, with Partner Devanand Crease named an IAM Global Leader for 2026. The IAM Global Leaders list highlights individuals who combine outstanding technical expertise with strategic insight and commercial awareness. This recognition reflects extensive market feedback, individual excellence, and demonstrates Keltie’s commitment to delivering tailored, business-focused IP advice that supports innovation.
13.11.2025
Patent Protection for Cooling Technology Inventions: A Growing Market in a Warming WorldFollowing a sweltering summer, the demand for innovative cooling solutions in a nation built for drizzle has never been more apparent. Internationally, heatwaves have highlighted our collective vulnerability to rising temperatures and the need for more efficient, sustainable cooling technologies. For businesses this represents a significant opportunity in a rapidly expanding market to not just make our day-to-day lives cooler, but to meaningfully protect people against a changing climate.
06.08.2024
CRISPR patent battle updateOtherLess related knowledge
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