
Kennedy Van der Laan stands out for its specialist expertise in frequency law, regulatory enforcement, and market dominance issues. The firm acts as a trusted advisor to key industry players, including major mobile and fixed network operators, advising on strategic matters like 5G frequency auctions, regulatory litigation, and administrative law proceedings, with a growing focus on the optical fibre market. The team is co-headed by Quirine Tjeenk Willink, a go-to adviser for spectrum-related matters, and Leon Mensink, an experienced litigator focusing on enforcement and network access. They are supported by Minke de Haan and Julia Siskina, who handle complex regulatory matters, with specialisms spanning the EU Telecommunications Code and radio frequency matters.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Quirine Tjeenk Willink is a leading lawyer in radio regulatory matters.’
Key clients
- VodafoneZiggo
- DPG Media
- Q-music Nederland
- Radio Limburg
- Vodafone Libertel
- Ziggo
- Glaspoort
- Fastned
- Royal Airport Schiphol (Schiphol Connect)
- Sligro Food Group
- Port of Amsterdam
- Schiphol Area Development Company
Work highlights
Assisted VodafoneZiggo in the 5G frequency auction.
Advised Q-Music in the frequency auction for commercial radio.
Litigated on behalf of Match Group in Apple's appeal against regulatory authority ACM's decision to impose an order under penalty for abuse of market dominance by setting the conditions for in-app payments.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Quirine Tjeenk Willink; Leon Mensink
Other key lawyers
Julia Siskina; Minke de Haan

