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Jean-Sébastien Duprey

Senior Associate
Paris

Jean-Sébastien Duprey
Languages
English, French, German
Practice Group
Regulatory

Having spent more than 8 years in Brussels, Jean-Sébastien has a thorough experience in handling complex merger and State aid cases before the European Commission.

Jean-Sébastien assists companies in complex multi-jurisdictional merger filings, in particular to the European Commission and the French Competition Authority. He has been involved in numerous high-profile merger cases, in particular in the aerospace/aeronautics, banking, consumer goods and energy sectors.

He has also been involved in several significant State aid cases arising from the 2008 financial crisis, including the restructuring and orderly resolution plans of Dexia.

Jean-Sébastien also advises companies on the structuring of their contractual arrangements, and in antitrust investigations and compliance programs.

Jean-Sébastien is an English solicitor and a member of the Paris bar.

Representative experience

Notification to the European Commission of the acquisition by HNA of sole control over Servair to create the world's leading in-flight catering/retail on-board provider.

Assisting several American-based companies in the French Competition Authority's sector inquiry into online advertising.

Notification to the European Commission of the setting up by EDF, CDC and Mitsubishi of electric mobility services joint venture NEOT Green Mobility.

Assisting ADP in the merger control filings related to the acquisition of sole control over TAV Airports to create world-class airport operator.

Advising a major rail operator on antitrust compliance program and State aid issues.

Assisting several American-based companies in Phase II merger investigations before the European Commission.

Assisting leading European aerospace company in several merger control filings to the European Commission, including the negotiation of commitments.

Assisting a major European bank in complex merger control filings to the European Commission and the French Competition Authority.

Advising Dexia on State aid issues and related State aid filings to the European Commission.

Advising postal operators in France, Belgium and Luxembourg on State aid issues.

Education and admissions

Education

  • LL.M., London School of Economics, 2005
  • Sciences Po Paris, 2004
  • Masters, Sorbonne Law School, 2003

Memberships

  • AFEC

Bar admissions and qualifications

  • Paris
  • Solicitor, admitted in England & Wales

Latest thinking and events

Published Works

Co-authored the chapter entitled "Décisions de la Commission européenne"

Lamy Droit Economique

Published Works

Authored the chapter entitled "State Aid to Banks in Belgium" in the Research Handbook on State Aid in the Banking Sector

Edward Elgar Publishing

Published Works

Co-authored the article entitled "Le REC : une coresponsabilité dans la définition de la politique de concurrence de l'Union européenne"

Revue des Affaires Européennes

Published Works

Co-authored the roundtable article entitled "Affectation des échanges entre Etats membres et objectifs du contrôle des aides d'Etat : regards croisés sur deux questions d'actualité du droit des aides d'Etat"

Revue Lamy de la concurrence

Published Works

Co-authored the article entitled "L'affaire France Télécom ou comment donner sa parole sans faire de promesse"

Revue Lamy de la concurrence
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