Amélie Champsaur’s practice focuses on mergers and acquisitions, capital markets, and investigations, particularly in the financial sector.

Amélie leads the firm’s EU financial regulatory practice and is active in the fast developing area of EU-level financial regulation, advising EU and non-EU banks, infrastructures, sovereigns, investment funds, and other market participants on a broad range of matters, including prudential regulation, governance and compliance (including cyber-security), bank resolution, state aid in the financial sector, and derivatives regulation, in the context of M&A, capital markets transactions, as well as enforcement and litigation.

She has also advised clients on the cross-border aspects of U.S. regulatory reforms, enforcement, and litigation matters, including on privacy matters.

Amélie joined the firm in 2003 and became a partner in 2012. She was a resident in the New York office from 2005 to 2006.

Notable Experience

Amélie has represented, among non-confidential matters only:

  • BNP Paribas and Credit Agricole in their lawsuit against the ECB before the General Court of the European Union, in relation to the leverage ratio. 

  • UniCredit in successful defense of the prudential treatment of its CASHES regulatory capital instruments before the EBA, and ensuing litigation and settlement with an activist fund.

  • BNP Paribas, Credit Agricole, and Natixis with respect to a broad range of financial regulatory matters including ECB supervision and enforcement and TLAC planning and implementation, including on the issuance of new TLAC-eligible “Senior Non Preferred” notes under the new “Sapin 2 law.”

  • Bondholders of Monte dei Paschi di Siena in connection with the proposed €8.8 billion recapitalization of Monte dei Paschi di Siena and associated bail-in of bondholders.

  • Italian fund Atlante (Quaestio Capital) in connection with the liquidation of the Venetian Banks

  • Several market participants in connection with ongoing BRRD and State Aid litigation matters relating to Portuguese bank Novo Banco.

  • The Hellenic Financial Stability Fund in the recapitalization of four major Greek banks, in 2015.

  • Brazilian clearinghouse BVMF Bovespa (B3) and Russian clearinghouse Moscow Exchange/NCC on the implementation of the EMIR and CRD IV capital requirements, application to ESMA for recognition, as well as MIFID2/MIFIR and Benchmarks regulation.

  • The Vatican Bank since 2013 on the design and implementation of an EU-compliant prudential and compliance framework.

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Selected Activities

  • Fellow of the Salzburg Global Forum on Finance and the Harvard Symposium on EU/US Financial Regulation.
  • Member of the Haut Comité Juridique de Place, a high-level French government advisory committee on Brexit and market infrastructures (since 2016).

  • Moderator of several World Economic Forum’s panel discussions on the design of a liability framework to address cyber-risks (2017).
  • Lecturer at HEC Business School and Sciences Po (Paris).


GIR “Securities and Related Investigations Know-How Guide,” Global Investigations Review, September 2019. Author of the European Union Chapter.

GIR “Securities and Related Investigations Know-How Guide,” Global Investigations Review, October 25, 2018. Author of the European Union Chapter.

“The AMF Consults on Potential Legal Framework for ICOs and Launches Digital Asset Fundraising Sandbox,” co-author with Jeanne Theuret, February 20, 2018.

The Reform of Bank Creditor Hierarchy in the EU,” Revue de Droit Bancaire et Financier, February 2018.

“Hand in hand or parallel paths? Reflections on the future coexistence of State aid control and bank resolution in the EU,” co-author with François-Charles Laprévote, Research Handbook on State Aid in the Banking Sector, December 2017.

GIR “Securities and Related Investigations Know-How Guide,” Global Investigations Review, October 17, 2017. Author of the European Union Chapter. 

The Liquidation of the Venetian Banks: Loophole or Circumvention of the EU Rules?,” IFLR, October 2017.

Frexit: The Case Against,” co-author with Aurèle Delors, IFLR, May 2017.

Over-reliance on Stress Tests Raises Legality Concerns,” IFLR, November 2016.

The Commission is Playing With Fire,” IFLR, July/August 2016.

GIR “Securities and Related Investigations Know-How Guide,” Global Investigations Review, February 4, 2016. Author of the European Union chapter.