Erik Lumens

Senior AssociatePatent Attorney

Erik is a European, Dutch and Belgian Patent Attorney, with a broad practice encompassing patent drafting, prosecution, counselling, and litigation. He has experience in telecommunications, automotive technology, cryptography, semiconductor chips, lithography, computer design, neural networks, and mechanical inventions.

Erik has represented multiple clients in Dutch and French infringement proceedings and has worked on Japanese (Tokyo High Court) patent infringement and validity cases. Furthermore, he worked on several validity proceedings in Germany on patents related to automotive technology. He also has experience before the European Patent Office (EPO), including oppositions and appeals.

Numerous high-tech startups have entrusted Erik with the management of their patent portfolio. These startups are active in quantum computing, neural networks, freeze-drying, haptic technology and lithography. Furthermore, Erik works for various multinationals in the defence and expansion of their patent portfolios.

He studied at the University of Utrecht, obtaining a double Bachelor’s degree in Physics and Mathematics, and a double Master’s degree in Theoretical Physics and Mathematical Sciences. His studies focused primarily on high-energy physics and differential geometry. His master’s thesis was directed at the relationship between certain problems in String Theory and Algebraic Geometry.


    ASML v. Nikon: Successfully representing ASML with respect to alleged infringement of several immersion lithography patents in The Netherlands and Japan.

    Apple v. Ericsson: Successfully representing Apple with respect to alleged infringement of telecommunication patents.

    Several oppositions at (the Boards of Appeal) of the EPO.


Nos bureaux


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

Adresse postale:

P.O. Box 94361
1090 GJ Amsterdam
The Netherlands



Anglais, Néerlandais, Français, Allemand


Utrecht University, Theoretical Physics (MSc) (2013-2016)

Utrecht University, Mathematical Sciences (MSc) (2013-2016)

Utrecht University, Physics (BSc) (2010-2013)

Utrecht University, Mathematics (BSc) (2010-2013)