Nele D'Halleweyn

Arnold & Siedsma - Belgium

European patent attorney, Partner

Meir 24


+32 3 213 59 60

Patent star 2022

German (basic)
Chinese (basic)
Italian (basic)



Practice areas:

Patent litigation
Patent prosecution
Patent strategy & counseling

Industry sectors:


Nele D’Halleweyn is a European attorney and partner at Arnold & Siedsma. Nele studied electrical engineering at Leuven University, specialising in telecommunications and micro-electronics, and obtained a PhD degree at the University of Southampton (UK).


At Arnold & Siedsma, Nele specialises in European patent work including drafting and prosecuting patent applications, conducting opposition proceedings at the European Patent Office and advising in patent litigation in various European countries. The main technology areas which drive her practice are electronics, telecommunications, information computer technology, printing technology, semiconductors, material science, medical technology and mechanics. 


Nele is a member of the AIPPI, of which she is a member of the Board. She is also a tutor teaching Belgian patent law and is co-author of the book “Octrooien in België: een praktische leidraad”, ISBN 9789048626601, edited by Die Keure.


Previous testimonials for Nele include the following:

“Some of the most praiseworthy feedback is reserved for Nele D’Halleweyn, who conducts sterling European patent work across many high-tech fields. “Nele quickly understands the nature of her clients’ problems and identifies appropriate solutions.” Having her on side adds tremendous value to a company. “She comes up with new technical ideas that are often broader than the initial ideas that clients want to patent.”


Last updated 8th March 2020