Arnold & Siedsma is a well-regarded patent and trade mark attorney firm in the Benelux. The firm has a strong team of European patent attorneys, with expertise in fields such as chemistry, biotechnology, electronics, and engineering.
Notable practitioners: Michiel Rijsdijk, Remco van Leeuwen, and Marlies Wiegerinck.
Arnold & Siedsma merged with Rouse Group in September 2025. Follow MIP's coverage of this firm here.
Bird & Bird is recommended for contentious and non-contentious IP work, including brand protection and portfolio management. The Dutch IP team can handle disputes in a range of sectors, notably TMT, life sciences and mechanics.
Notable patent practitioners: Wouter Pors and Tjibbe Douma.
Notable practitioners: Manon Rieger-Jansen and Marc van Wijngaarden.
The head of the IP group is partner Manon Rieger-Jansen and co-managing partner is Marc van Wijngaarden.
De Vries & Metman is a distinguished patent attorney firm with its main office in Amsterdam and two sites located in Arnhem and Eindhoven. The firm is known for its repute in pan-European patent litigation for life sciences, chemistry and electronics.
Notable patent practitioners: Arnt Aalbers, Patrick Busch, Lilian Hesselink and Wouter Mooij.
HGF maintains its position in the Dutch market as one of the leading firms for IP protection and portfolio management. HGF Netherlands was initially established in 2015 as a patent office in the Hague.
Notable practitioners: Alexander Hagen, Pieter de Ruijter, and Kasper Radstake.
European IP firm Hoyng Rokh Monegier is one of the most trusted law firms for patent disputes. The firm's lawyers in the Netherlands can also advise on soft IP work, especially trade marks and unfair competition. For cross-border IP disputes, the Dutch team collaborates with colleagues in other European offices. They are seen in disputes, encompassing biotechnology, telecommunications, and engineering.
Notable patent practitioners: Willem Hoyng, Bart van den Broek, Theo Blomme, and Peter van Schijndel.
Notable soft practitioners: Joris van Manen, Frank Eijsvogels and Laura Fresco.
Kilburn & Strode is a top-tier patent and trade mark attorney firm. Unlike some of its rivals, the firm remains dedicated to the business of IP protection and portfolio management. The firm has expanded its team in the Netherlands and the liaison office in California, United States.
Its patent attorneys are respected for their drafting work and skill in IP office proceedings. The firm's technical coverage is broad, but market commentators pick out electronics, life sciences, chemistry, and engineering as strong practice areas.
Notable patent practitioners: Rike Dekker, Frodo Ferro and Barbara Durling.
Notable trademark practitioners: Claudia Festen.
Leo Patent Law Office is a patent law firm with a thematic focus on hard IP guidance. After its inception in 2024, the firm has cultivated a venerable reputation before the European Patent Office (EPO), the United States Patent and Trademark Office (USPTO), and the Unified Patent Court (UPC). European and U.S. patent prosecution is a strength in the medical technology sector.
Notable patent practitioners: Ronny Amirsehhi, Jason Mirabito and Ikeyama Takuji.
The managing partner is Ronny Amirsehhi.
Benelux IP firm NLO is highly recommended by market commentators for patent and trade mark protection work. The firm offers trade mark protection and portfolio management services in the Benelux through NLO Shieldmark.
The firm has a strong team of patent attorneys to handle inventions in technical fields such as chemistry, computer technology, telecommunications, and biotechnology. The majority of the firm’s practitioners are based in the Netherlands.
Notable patent practitioners: Catherine A Shultz, René van Duijvenbode, Hans Hutter, Paul Clarkson, Bart Swinkels, Harm van der Heijden, Mari Korsten, Caroline Pallard, Jaap Mannaerts, Peter Simonis, Willemijn Gommans and Marta Alvarez Guede.
Notable trade mark practitioners: Jeroen Cornelis, Marlous Stal-Hilders, Milca Graver-De Looper, Masja van der Galiën, and Florence Tordoir.
Oxon IP is a firm specialising in European Patent Office (EPO) Oppositions. Since its inception in 2021, the practice has been headquartered in the Netherlands with an office in London. Patent revocation and nullity proceedings are specialities for the consumer, mechanical and life sciences industries.
Notable patent practitioners: Leythem Wall.
Pinsent Masons is recommended for patent disputes in the life sciences sector.
Notable patent practitioners: Judith Krens, Arjan Reijns, Marthe Riewald.
Krens leads its life sciences practice in Amsterdam.
Ploum is known for soft IP orientation in related copyright and database rights work. Anti-counterfeiting and unfair competition cases are specialities for differentiated Dutch and international clients. Trade mark prosecution before the EUIPO and Benelux Court is also provided.
Notable practitioners: Willem Leppink, Sabin Tigu and Yvonne Hamerling.
Simmons & Simmons IP practice in the Netherlands is known for prowess in cross-border disputes, the team can also collaborate with colleagues in other European offices, particularly the London office.
Notable patent practitioners: Oscar Lamme and Bas Berghuis van Woortman.
Spiegeler Advocaten specialises in soft IP work including anti-counterfeiting and IP transactions. Brigitte Spiegeler is a key contact in the firm.
Taylor Wessing in the Netherlands is recommended for IP disputes, particularly patent disputes.
Notable patent practitioners: Eelco Bergsma, Charlotte Garnitsch, David Mulder, Geert Theuws and Wim Maas.
Notable lawyers: Maarten Rijks.
VO is a distinguished attorney firm in the Benelux region. The firm specialises in IP protection and portfolio management work, with a strong team of patent attorneys to deal with a range of technical fields, most notably chemistry, biotechnology, and engineering. Most of its IP practitioners are based in the Netherlands. The firm has a large team of experienced European patent attorneys in chemistry and electronics.
Notable patent practitioners: Herman Witmans, Leo Jessen, Bernard Ledeboer, Michiel van Rooij and Annemie Jaeken. Otto Oudshoorn, Hajo Kraak, Marco Molling, and Huub Maas. Mark Einerhand, Frits Schut, Bettina Hermann, Jasper Groot Koerkamp, Marco Box and Johannes van Melle.
Notable trademark practitioners: Noëlle Wolfs and Raquel Alvarez.
Notable transactions practitioners: Nick Oostenbroek.