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Olivier Thebault



Thebault Olivier
Olivier Thebault



Olivier specialises on corporate and securities law. Olivier advises companies, shareholders and investors (including, public entities and investment funds) as well as underwriters on the full range of equity capital markets transactions, including initial public offerings, rights offerings and other share capital increases, issuance of equity-linked securities (convertible bonds, exchangeable bonds, warrants) or block trades, as well as mergers, acquisitions and disposals. Olivier’s practice also includes capital markets-related regulatory advice and corporate governance matters.

Olivier regularly speaks at conferences and seminar organised by Allen & Overy or market associations.

Band 3
Chambers Global/Europe 2022 - France (Capital Markets: Equity)

"The 'fantastic' Olivier Thébault moves up the equity rankings this year. He assists with rights issuances, convertible bond offerings and recent COVID-19-related mandates, including capital increases."

Next Generation Partner
Legal 500 EMEA 2022 - France (Capital Markets: Equity)

"Olivier Thébault is the benchmark partner. Excellent professional."
 Rising Star Partner
IFLR 1000 2021 - France (Capital Markets: Equity)

Up and Coming 
Chambers 2019 - France (Capital Markets: Equity)

"Olivier Thebault is highlighted for his 'excellent expertise in the market'. He assists clients with IPOs, rights offerings and the issuance of convertible bonds. He acted for the underwriter syndicate on a EUR1.4 billion rights issue carried out by Amundi."

Related articles

News: 18 November 2022

Allen & Overy advises Ubisoft on its EUR470 million OCEANEs issuance

Allen & Overy has advised Ubisoft on the placement of bonds convertible into and/or exchangeable for new or existing shares (“OCEANEs”) due 2028 by way of a public offering only to qualified…

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News: 06 October 2022

Allen & Overy advises on the financing of Technicolor Creative Studios spin-off

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News: 12 September 2022

Allen & Overy on the combination between Biolog-id and SPAC Genesis Growth Tech Acquisition Corp

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News: 25 May 2022

Allen & Overy advises EDPR on its investment as part of Lhyfe’s IPO

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Experience highlights



Capital Markets

Equity Capital Markets





52 avenue Hoche
75008 Paris

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Admitted to the Paris Bar- 2004


Post Graduate Degree, Private International Law, University of Paris I Panthéon-Sorbonne, 2003

Post Graduate Degree, Business and Tax Laws, University of Paris II Panthéon-Assas, 2002

MA, Business Law, University of Paris II Panthéon-Assas, 2001

Other noteworthy experience


  • Kepler Cheuvreux and its shareholders on the investment of Atlas Merchant Capital and Eres in Kepler Cheuvreux
  • The underwriters on the initial public offering and the rights offering of Amundi
  • The underwriters on the initial public offering of ALD
  • The underwriters on the initial public offering of Spie
  • Korian on its issuances of convertible bonds
  • Accor on its issuance of convertible bonds
  • Ubisoft on its issuances of convertible bonds
  • The underwriters on the issuances by Artemis and Kering of bonds exchangeable for Puma shares
  • Airbus on the disposal of Dassault Aviation shares by way of block trades and exchangeable bonds
  • Wendel on the disposal of Saint-Gobain shares by way of block trades and exchangeable bonds

Published work

  • Comment augmenter son capital avec un cours de bourse inférieur au pair ?, Option Finance n°1020, 16 mars 2009, pages 37-38
  • Rémunération des dirigeants : une obscure transparence, La, 12 janvier 2009