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Stéphane Austry

Stéphane Austry


CMS Francis Lefebvre Avocats
2 rue Ancelle
92522 Neuilly-sur-Seine
Languages French, English, Japanese

Stéphane joined CMS Francis Lefebvre Avocats as a partner in 2007 after spending 15 years in top positions within the French government. Stéphane coordinates the firm's tax litigation and controversy group for domestic and international tax issues and headed the Tax Practice Group of the CMS network from 2009 to 2014.

As a former member of the Conseil d'Etat (Council of State), France's highest administrative court, Stéphane is an authority in handling high-profile litigations. He also has extensive experience in international taxation and the interpretation and application of tax treaties. He is familiar with the Japanese business environment, having spent four years as Financial Adviser to the French Embassy’s economic mission in Japan. 

In 2013, Stéphane was appointed by the French Government to take part in a session on tax matters as part of a commission called ""les Assises de l’Entrepreunariat” [the foundation of entrepreneurship], to put forward recommendations for stabilising the tax status of entrepreneurs.

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Leading individual - Litigation

Legal 500 EMEA 2019

Leading individuals: tax litigation

Legal 500 Paris-2019

Tax litigation (Band 1)

Chambers Europe 2019

Tax Litigation (Band 1)

Chambers Europe - 2018

Tax, Leading individual (tax litigation)

Legal 500 EMEA France 2018

Tax law, Leading individuals (tax litigation)

Legal 500 Paris 2018

Relevant experience

  • Financial Adviser to the Economic Mission, the French Embassy in Japan (2003-2007)
  • Government Commissioner to a fiscal sub-division of the Council of State (2000-2003)
  • Legal Adviser to the Director of the Treasury (2000-2003)
  • Technical Adviser to Dominique Strauss-Kahn, Minister for Economic, Financial and Industrial Affairs, and to Christian Sautter, Secretary of State for the Budget (1997-2000)
  • Head of Tax Knowledge Centre of the Council of State (1996-1997)
  • Rapporteur to a fiscal sub-division of the Litigation Division of the Council of State (1993-1996)
  • Member of the Working Group on Franco-German Taxation (October 2010)
  • Maître des Requêtes (Master of Appeals) at the Council of State
  • Appointment to the Steering Committee of Paris Europlace (June 2010)
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  • Institute of Political Studies (IEP), Paris (1987)
  • Post-graduate degree (DESS) in Banking and Finance, University of Paris I - Panthéon-Sorbonne (1989)
  • ENA (National Administration School - Higher Education for top civil servants) (1993)
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  • Member of the Conseil des Prélèvements Obligatoires (French Tax and Social Charges Board) (2014)
  • Board chairman of IACF (French Insitute of Tax Lawyers) (2014)
  • Member of IFA (International Fiscal Association)
  • Member of IBA (International Bar Association)
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  • Immobilisations et charges - la distinction fiscale - Editions EFE (2° Ed. 1997)
  • Contentieux fiscal - Procédures d'urgence - Répertoire Dalloz Contentieux administratif (May 2003)
  • Responsabilité des services fiscaux - Répertoire Dalloz Responsabilité de la puissance publique (January 2003)
  • Papers  (Revue de jurisprudence fiscale, Revue de droit fiscal, Bulletin des conclusions fiscales,...) and (Revue française de droit administratif, Actualité juridique-Droit administratif,...)
  • QPC fiscale et effets de la décision dans le temps/Dossier : le Conseil constitutionnel et l'impôt - Nouveaux Cahiers du Conseil constitutionnel n°33  (October 2011)
  • Modèle de Convention fiscale OCDE concernant le revenu et la fortune, co-author - Edition Francis Lefebvre, Paris/Helbing Lichtenhahn Verlag, Basel (1st Edition 2013)
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Doc­trine and Know­ledge Man­age­ment


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Leg­al 500 Par­is 2019
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Leg­al 500 EMEA 2019
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20 Mar 19
Cham­bers Europe 2019
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Cham­bers Europe 2018
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Leg­al 500 EMEA 2018
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Leg­al 500 Par­is 2018
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