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JUVE Patent Firm Rankings Rankings Netherlands 2026 Litigation: Patent Attorneys – Netherlands 2026

Litigation: Patent Attorneys – Netherlands 2026

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    De Vries & Metman Amsterdam, Arnhem, Eindhoven

    JUVE Comment

    This patent attorney firm is still ahead of most of its Dutch competitors when it comes to major patent disputes before Dutch courts. Even as case numbers here are declining, the pure patent attorney firm keeps its main challengers AOMB and NLO at bay. Although the firm has been less active recently for core client Teva, one look at the work of life sciences expert Lilian Hesselink demonstrates the firm's excellence in this segment. The team continues to work on the generics and biosimilars side, including for Sandoz. And with Wouter Mooij, ...

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    Vereenigde Octrooibureaux The Hague, Amsterdam, Arnhem, Eindhoven, Utrecht, Groningen

    JUVE Comment

    Vereenigde Octrooibureaux maintains a large and technically diverse patent attorney practice, which translates into a strong presence in Dutch patent disputes. Whilst recent years saw the patent attorneys active in mobile communications and pharmaceutical litigation, disputes concerning mobile communications have now largely shifted to the UPC. In national litigation, pharmaceutical work by patent attorneys such as Jetze Beeksma for research-based industry has become more prominent than in previous years. V.O.'s patent attorneys have worked ...

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    AOMB The Hague, Arnhem, Eindhoven, Maastricht

    JUVE Comment

    This IP firm, which is dominated by patent attorneys, is best known for patent litigation in the life sciences field before Dutch patent courts. René Raggers is highly regarded for his technical support in pharmaceutical and biotech cases. He is specifically brought in by external law firms, for example by Taylor Wessing for Pfizer’s Dutch proceedings against Moderna. He also works alongside BarentsKrans for Toolgen in the Dutch proceedings as part of the international battle over Vertex's CRISPR-Cas therapy Casgevy. The life sciences team h...

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    Arnold & Siedsma Amsterdam, The Hague, Breda, Enschede, Eindhoven, Leeuwarden, Nijmegen

    JUVE Comment

    At this Dutch mixed IP firm, patent attorneys make up the majority of fee earners. However, Arnold & Siedsma also stands out for its small but nimble team of lawyers who are highly active for predominantly Dutch SMEs at national courts across a broad range of technologies. Current examples include work for OneWay Plastics concerning patisserie piping bags, and Blister Partners regarding drug packaging technology. The firm consistently handles these cases with mixed teams of its own lawyers and patent attorneys. The legal team also supports W...

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    Hoyng ROKH Monegier Amsterdam

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    NLO The Hague, Amsterdam, Eindhoven, Ede

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    Patentwerk ‘s-Hertogenbosch

    JUVE Comment

    Although boasting just nine patent attorneys, this small patent attorney firm has a good reputation for patent prosecution involving chemicals, eletronics and mechanics patents. When it comes to the latter, law firms like to call on Bas Langenhuijsen for technical support in disputes before the Dutch patent courts. The firm recently worked alongside lawyers from Taylor Wessing, now operating under the brand Winston Taylor. Along with the latter, Patentwerk is also involved in a UPC case for Advanced Brain Monitoring against Philips regarding...

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This ranking depicts the most important Dutch patent firms according to their reputation in the eight most important fields of technology in patent filing. It includes information on their most significant clients, offices and team size. Clients have been sourced from either the law firm or the EPO register. Practice strength refers to only Dutch and European patent attorneys working on patent filing and oppositions. The selection of law firms reflects the research of the editorial staff at JUVE Patent and is based on interviews with clients, lawyers and academics worldwide. It remains a subjective view and implies no disparagement of any firm not mentioned here but which is nevertheless active in these fields. The firms are alphabetically listed. To find out more about our rankings and research criteria please click here and here.

Published 6 October 2026

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