WilmerHale
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WilmerHale‘s ’fantastic’ antitrust and competition team has deep experience of competition litigation, also taking on cartel investigations, follow-on damages claims, State aid matters, and mergers. Anne Vallery and Hans-Georg Kamann co-head the team; Vallery is a go-to for clients in the telecommunications sector and Kamann, who works across Brussels and Frankfurt, is sought after for his expertise as a litigator. Frédéric Louis and Cormac O’Daly are also recommended, and Christian Duvernoy retired in January 2024.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The lawyers at WilmerHale are a crucial asset. Their knowledge, professionalism, hard work and availability make them unique.’
‘Cormac O´Daly and Frédéric Louis stand out among others. Both experts in antitrust are also great human beings and very easy to reach. Working with them has been a huge privilege for me.’
Key clients
- Meta Platforms Ireland Ltd
- Compañía Sudamericana de Vapores, S.A.
Work highlights
Represented Compañía Sudamericana de Vapores, S.A. in a car carrier cartel investigation before the US Department of Justice, the European Commission, and in other jurisdictions.


