Cleary Gottlieb Steen & Hamilton

Antoine Winckler’s practice focuses on European and French competition law, including cartel investigations, merger control, and market dominance.

He has advised clients in numerous cartel cases, including those relating to cement, copper tubes, seamless steel tubes, paper, elevators, cables and freight forwarding. Antoine has extensive experience representing corporate clients and financial institutions, as well as governments and public entities, regarding EU state aid rules; and he has represented clients in disputes before the European Commission, the European Courts in Luxembourg, the French Competition Authority and the Court of Appeals in Paris.

Antoine joined the firm in 1985, became a partner in 1992, and became senior counsel in 2023. Prior to joining Cleary, he was an administrative judge.

French (Native) German (Fluent) Italian (Fluent) Spanish (Fluent) English (Fluent)

Member of the Bars of Paris and Brussels, of the EU Court of Justice, the EU General Court and the Court of Appeals of Paris.

Université de Nice Sophia Antipolis Master in Law 1984

Ecole Nationale d'Administration Diplôme 1983

Ecole Normale Supérieure, Paris Agrégation 1978