JUVE Patent

De Vries & Metman – Netherlands 2020

JUVE Comment

This patent attorney firm is at the top of the market when it comes to major patent disputes before Dutch courts on the patent attorney side. Together with external lawyers its patent attorneys are present in important cases. Ferry van Looijengoed has an outstanding reputation for mobile communication disputes and advises Sisvel and Wiko in such cases. The firm is thus experienced in representing both NPEs and defendants here. Erik Visscher is involved in the Sisvel cases and has a good reputation for AI patents in particular. While mobile communication claims form the most visible part of the firm’s work at present, Arnt Aalbers boasts an excellent reputation for cases concerning mechanical and mechanical engineering patents. Furthermore, in Lilian Hesselink De Vries & Metman has one of the most renowned patent attorneys in its ranks for disputes over pharmaceutical and biotech patents. The firm is also known for its work for Teva. Few Dutch patent attorney firms can boast such technical breadth in disputes.


Patent disputes conducted by patent attorneys regarding mobile communication and pharmaceuticals. Also for generic drug companies.

European strategy

Outside the Netherlands, De Vries & Metman has no other offices in major patent jurisdictions.

Recommended individuals

Arnt Aalbers (mechanics, process and mechanical engineering), Lilian Hesselink (“pragmatic advice, always presents very good arguments in the courtroom”, competitor; pharma and biotechnology), Ferry van Looijengoed (“one of the best Dutch patent attorneys when it comes to litigation”, competitor; digital communication and computer technology, electronics), Erik Visscher (“one of the few AI experts in the Dutch patent attorney community”, competitor; digital communication and computer technology)


16 patent attorneys (including one dual qualified as a lawyer)


Patent prosecution across a broad spectrum of technology. Litigation regarding mobile communications and pharmaceutical patents together with law firms. IP advice, transaction support.


Litigation: Sisvel (claimant) against Archos, BKK, Oppo and Xiaomi regarding mobile communications standards; Asus and Wiko (defendants) against Philips regarding UMTS standard (all public knowledge); Teva (defendant) against Icos/Eli Lilly over tadalafil; Teva (defendant) against Novartis ragarding patent for breast cancer drug Afinitor; CDVI (claimant) against Impro and Alphatronics regarding RFID systems; Mylaps regarding US patent trial; Zuru (claimant) against Koopman over filling technology for water ballons in infringement and EPO cases. Patent filing and oppositions: Inalfa Roof Systems, Mylaps, Nouryon Chemicals, OuTech, Purac Biochemie, Signify. Patent filing: KPN, Promaton Holding, Shin-Etsu Chemical, Unilin, Universities of Amsterdam, Arnheim and Delft (all public knowledge).


Amsterdam, Arnhem, Eindhoven