
Combining ‘deep legal expertise with a pragmatic and client-focused approach’, and working very collaboratively across disciplines, Arendt & Medernach is well placed to advise clients across a wide range of standalone advisory, TMT-related corporate transactions and IT/IP disputes work. Praised for her ability to provide ’technically sound and business sensitive’ advice, team head Astrid Wagner regularly advises on sensitive data privacy matters and on ICT contracting, as well as on the protection and commercialisation of IP rights. Senior associate Sophie Calmes and counsel Faustine Cachera are also key members of the team, with Cachera praised for her ‘excellent understanding and command of IP rights’, particularly as it relates to trade marks and domain names.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'The team is highly professional and very reactive.'
- 'What makes the practice stand out is its combination of deep legal expertise with a pragmatic and client-focused approach.'
- 'Astrid Wagner provides advice that is not only technically sound but also actionable and business sensitive.'
- 'Faustine Cachera is very reactive and shows an excellent understanding and command of IP rights.'
Key clients
- InfraRed Capital Partners Ltd
Work highlights
Advised InfraRed Capital Partners on the €108m acquisition of Proximus Luxembourg Infrastructure from Proximus Group.
Advising a European telecommunications and media services provider in its potential acquisition of an operator in the Luxembourg network and telecommunications market, active both in the provision of mobile, fixed-line, and internet services, as well as enterprise services.
Helped guide a client through a highly complex and cutting-edge project involving the provision of hosting sites and associated hosting services in the context of establishing a new EU secure satellite constellation.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Sophie Calmes
Practice head
Astrid Wagner
Other key lawyers
Faustine Cachera; Sophie Calmes; Julien Pétré
