Charles-Antoine Erignac is a Special European Counsel in the Public Law department of Willkie Farr & Gallagher LLP in Paris. 

Charles-Antoine has renowned experience in administrative agreements such as public procurements, concessions and public-private partnerships, mainly in the infrastructure and energy sector (such as rail, renewable power and social infrastructures).

Charles-Antoine has as well significant experience in economic public law. He has specific knowledge regarding foreign investments in France, State aid, privatisations and regulated sectors (particularly in the aeronautical sector). 

In this regard, he supports Willkie’s other departments whenever their matters include public law aspects or regulatory aspects (especially in M&A transactions or restructuring operations). He recently worked for various investment funds on their French operations.

Charles-Antoine has been recognized by Legal 500 EMEA 2024 as a “Rising Star”. Charles-Antoine was recognized again by Best Lawyers in 2024 for Administrative, Public and Public Finance Law.



  • Searchlight Capital Partners on the recapitalization of Latécoère, a major player in the aeronautics industry
  • Intermediate Capital Group in connection with its investment in Circet, the leading telecommunications network service provider in Europe
  • Ardian on the sale of Solina, the leading European manufacturer of ingredient and seasoning blends for the food industry, to Astorg
  • Air France KLM on its €4 billion French State measures to recapitalize Air France and its holding company
  • Qualium Investissement on its announced sale of its majority stake in IMV Technologies to Montagu Private Equity
  • ICG Europe VII, an affiliate of Intermediate Capital Group, in its investment in Biogroup, a leading French operator of medical diagnostic laboratories


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