Partner
UK, Irish, 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 Galway and London based Irish, UK, Dutch, and European patent attorney with more than 20 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 and in various proceedings at the UPC. In the European patent community, he is best known for his claim drafting courses and his activities as a tutor for the European Qualification Exam for aspiring patent attorneys.

27.07.2026
The Impact of UKIPO Examination Guidance for CIIs on Inventive Step AssessmentThe UKIPO’s new examination guidance aligns its approach more closely with the EPO, while retaining important differences in inventive step analysis.

07.05.2026
Four Keltie Partners Recognised in WIPR Leaders 2026Recognition in WIPR Leaders 2026 highlights the strength of Keltie’s patent and trade mark expertise, as well as the firm’s reputation for high-quality IP advice across jurisdictions and sectors.
25.02.2025
Updated UKIPO Guidance on Patenting AIOtherLess related knowledge
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