Our intellectual property specialists

We are an allround IP service provider, meaning that we have in-house experts from all IP disciplines. The communication lines with our experts are short and personal. At Arnold & Siedsma you are assigned one or two fixed account managers. We have offices all over the Netherlands and Belgium so that you always have access to an expert in your area.

Arjen Hooiveld MSc.
Arjen Hooiveld MSc.
Partner, European patent attorney, Dutch patent attorney
Erik Bartelds MSc.
Erik Bartelds MSc.
Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Petri van Someren MSc.
Petri van Someren MSc.
European patent attorney, Dutch patent attorney, Belgian patent attorney
Joost Grootscholten MSc.
Joost Grootscholten MSc.
Managing partner, Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Steve Duxbury BSc.
Steve Duxbury BSc.
Managing partner, Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Paul Hylarides MSc.
Paul Hylarides MSc.
Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Michiel Rijsdijk LLM
Michiel Rijsdijk LLM
Partner, Attorney at law
Karin Becks LLM
Karin Becks LLM
Partner, Benelux and European trademark and design attorney
Marcel van Kooij PhD
Marcel van Kooij PhD
Partner, European patent attorney, Dutch patent attorney
Nele D'Halleweyn PhD MSc
Nele D'Halleweyn PhD MSc
Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Gerwald Verdijck PhD MSc
Gerwald Verdijck PhD MSc
Managing partner, Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Martin Luten MSc
Martin Luten MSc
Partner, European patent attorney, Dutch patent attorney
Bart Jacobs PhD MSc
Bart Jacobs PhD MSc
Partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Rogier Brouwer PhD MSc
Rogier Brouwer PhD MSc
European patent attorney, Dutch patent attorney, Partner
Joop Elzas MSc
Joop Elzas MSc
Partner, Benelux and European trademark and design attorney
Bart Laenen PhD
Bart Laenen PhD
Partner, European patent attorney, Belgian patent attorney
Raimond Haan
Raimond Haan
Associate partner, European patent attorney, Dutch patent attorney, Belgian patent attorney
Yannick Philippaerts MSc
Yannick Philippaerts MSc
European patent attorney, Belgian patent attorney, Associate partner
Hans Prins PhD MSc
Hans Prins PhD MSc
European patent attorney, Dutch patent attorney, Belgian patent attorney
Rob Vernout MSc
Rob Vernout MSc
European patent attorney, Dutch patent attorney, Belgian patent attorney
Sandra Bauwens
Sandra Bauwens
Benelux and European trademark and design attorney
Nicole van Roon LLM
Nicole van Roon LLM
Benelux and European trademark and design attorney
Elka Stegeman LLM
Elka Stegeman LLM
Benelux and European trademark and design attorney
Rob van der  Geest BEd
Rob van der Geest BEd
Patent, trademark and industrial design graphic attorney
Sara Reekmans PhD
Sara Reekmans PhD
European patent attorney, Belgian patent attorney
Peter van Donselaar BEng
Peter van Donselaar BEng
Patent, trademark and industrial design graphic attorney
Remy van den Bosch MSc
Remy van den Bosch MSc
European patent attorney, Dutch patent attorney, Belgian patent attorney
Dr. Wendy Teunissen
Dr. Wendy Teunissen
European patent attorney, Dutch patent attorney
Hedwig van Driel PhD
Hedwig van Driel PhD
Dutch patent attorney, European patent attorney, Belgian patent attorney
Vincent Rijsdijk LLM MSc.
Vincent Rijsdijk LLM MSc.
Dutch patent attorney, European patent attorney
Marten Bosma PhD MSc
Marten Bosma PhD MSc
European patent attorney, Dutch patent attorney
Robbert Keij LLM
Robbert Keij LLM
Benelux and European trademark and design attorney
Nick Schopman PhD
Nick Schopman PhD
European patent attorney, Dutch patent attorney
Lennard Mooij PhD MSc
Lennard Mooij PhD MSc
European patent attorney, Dutch patent attorney, Belgian patent attorney
Alex Kamphuis MSc
Alex Kamphuis MSc
Dutch patent attorney
Paul van der Valk PhD MSc
Paul van der Valk PhD MSc
Dutch patent attorney
Laurens Brocken PhD
Laurens Brocken PhD
trainee patent attorney
Robin Ogier PhD
Robin Ogier PhD
trainee patent attorney
Paulo Hansen MSc
Paulo Hansen MSc
trainee patent attorney
Joep van der  Stoep MSc
Joep van der Stoep MSc
Dutch patent attorney
Loes van den Winkel LLM
Loes van den Winkel LLM
Benelux trademark and design attorney
Jerre Edens MSc
Jerre Edens MSc
trainee patent attorney
Livio Filippin PhD
Livio Filippin PhD
trainee patent attorney
Youri de Groote MSc
Youri de Groote MSc
Dutch patent attorney
Derk-Jan Hulsinga MSc
Derk-Jan Hulsinga MSc
Dutch patent attorney
Roel Joxhorst MSc
Roel Joxhorst MSc
trainee patent attorney
Bastiaan van Loon MSc
Bastiaan van Loon MSc
trainee patent attorney
Raymond Rammeloo PhD
Raymond Rammeloo PhD
trainee patent attorney
Lars Nysten
Lars Nysten
trainee trademark and design attorney
Robin Keyner LLM
Robin Keyner LLM
Attorney at law
Armin Šabanović MSc
Armin Šabanović MSc
trainee patent attorney
Anson van Rooij MSc
Anson van Rooij MSc
trainee patent attorney
Stefan Fairburn PhD
Stefan Fairburn PhD
trainee patent attorney
Giorgio Bottura MSc
Giorgio Bottura MSc
trainee patent attorney
Timon Vankeirsbilck MSc
Timon Vankeirsbilck MSc
trainee patent attorney
Thomas Spruit MSc
Thomas Spruit MSc
trainee patent attorney
Olesya Usenko PhD
Olesya Usenko PhD
trainee patent attorney
Bram Janssen PhD
Bram Janssen PhD
trainee patent attorney
Elias Mkhalfi MSc
Elias Mkhalfi MSc
trainee patent attorney