
CMS’s top-tier IT and telecoms practice provides comprehensive advice across the full spectrum of IT, data protection, media and telecommunications law, handling both contentious and non-contentious matters. The team is noted for its strong regulatory, competition and technology capabilities. Co-head Dirk Van Liedekerke brings deep expertise in EU and Belgian competition and telecoms regulation, while co-head Tom De Cordier is a seasoned technology lawyer focused on IT, IP and data privacy. Tom Heremans adds strong credentials in copyright, trademark, patent, advertising and e-commerce issues.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The CMS IT & Telecoms practice stands out for its deep expertise and hands-on experience in EU digital regulation, particularly the EU AI Act, the EU Data Act and the EU Cyber Resilience Act. The team delivers practical, business-oriented solutions that address clients’ implementation challenges and risk assessments in a clear and actionable way.'
- ‘Tom De Cordier stands out as a true thought leader in EU data protection and AI regulation. His ability to break down complex regulatory issues into clear, actionable insights is exceptional, and he is highly persuasive when briefing senior management.'
Key clients
- Proximus
- Airbnb
- Amazon
- Logidrive
- EURid
- Coreso-TSCNet
Work highlights
Represented Proximus as a third party intervening in the EU merger control proceedings regarding two significant transactions in the Belgian telecoms market that have been notified to the European Commission under the EU Merger Control Regulation.
Representing two US entities of Amazon in trademark infringement proceedings against Christian Louboutin before the Brussels Court.
Assisting long-standing client Proximus in the negotiations of a high-profile transaction with Telenet to jointly provide super-fast internet to 2.7 million households.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Deven Dobbelaere
Practice head
Dirk Van Liedekerke; Tom De Cordier
Other key lawyers
Tom Heremans; Deven Dobbelaere; Thomas Dubuisson
