Léon Dijkman


Léon practices in all areas of intellectual property law but specializes in patent and trade mark law. He advises and litigates in cross-border patent cases in all areas of technology and also regularly conducts trade mark proceedings before Dutch courts, the EUIPO and the General Court. In 2015, he won the Amsterdam Young Bar Association’s annual pleading contest and finished third in the national competition.

Léon is a lecturer at the Erasmus School of Law in Rotterdam and affiliated researcher at the European University Institute in Florence. He is also a guest lecturer in the European Union Intellectual Property Office (EUIPO)’s Trademark and Design Education Programme. Léon regularly publishes in national and international journals and is on the editorial board of a major Dutch IP journal. His work was cited by the advocate-general to the Dutch Supreme Court and awarded the VIE-prize, the most important Dutch publication prize in the field of IP for authors under 35.

    • Nikon v. ASML. Represented ASML in various patent proceedings concerning its lithography machines, in which the court nullified Nikon’s patents
    • Carl Zeiss v. VSY. Represented Carl Zeiss in patent proceedings concerning lenses, in which the court issued a cross-border injunctions against VSY
    • CRT v. Heineken. Represented CRT in proceedings concerning use of the geographical indication ‘Tequila’, which resulted in Heineken committing to cease use thereof
    • Spartan Race v. TERN. Represented TERN in trade mark proceedings concerning use of ‘Spartan X’, which resulted in rejection of infringement claims in two instances
    • Beneluxvereniging voor Merken- en Modellenrecht (BMM)
    • Vereniging Intellectueel Eigendomsrecht Procesrecht Advocaten (VIEPA)
    • Nederlandse Juristenvereniging (NJV)
    • ‘Of treats and treaties: the forgotten chapter of European Geographical Indications law’ (Book chapter, forthcoming Oxford University Press)
    • Netherlands chapter (with Willem Hoyng), in: Husovec & Contreras (eds), Injunctions in Patent Law: Trans-Atlantic Dialogues on Flexibility and Tailoring (Cambridge University Press 2022)
    • ‘Does the injunction gap violate implementers’ fair trial rights under the Charter?’ GRUR 2022, 857
    • ‘Does the injunction gap violate implementers’ fair trial rights under the ECHR?’ GRUR International 2021, 215
    • ‘Property aspects of intellectual property’ European Journal of Legal Studies 2019, 153
    • 2021: ‘Fair trial rights in a bifurcated patent system’ (GRUR annual conference, Bonn)
    • 2019: ‘Can patent injunctions be counter-innovative?’ (IP workshop, Paris)
    • 2018: ‘Patent law and the internet of things’ (AIPPI Turkey annual conference, Istanbul)
    • 2016: ‘Copyright and the internet of things’ (ECTA annual conference, Dubrovnik)

Assistant details

Visit us

Visiting address:

Rembrandt Tower, 30th Floor
Amstelplein 1
1096 HA Amsterdam
The Netherlands

Postal address:

Rembrandt Tower, 30th Floor
Amstelplein 1
1096 HA Amsterdam
The Netherlands

The facts


Dutch, English, Polish, Italian, German


University of California, Berkeley School of Law (LLM, 2013)
Utrecht University (LLM, cum laude, 2012; LLB, honourable mention, 2010)
Utrecht University (BA Literature, cum laude, 2012)