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Olivier Attias

Partner

Olivier Attias holds degrees from ESSEC Business School and Paris I - Panthéon-Sorbonne University, along with an LLM from New York University. A practicing attorney admitted to both the Paris and New York bars, Olivier joined August Debouzy in 2018. Prior to this, he spent a decade with Cleary Gottlieb Steen & Hamilton LLP's Paris office, where he was an integral part of the Litigation and International Arbitration team.

Olivier's primary focus is on litigation, specializing in compliance, white-collar crime, and financial disputes. Additionally, he brings a wealth of expertise in navigating economic sanctions and export control regulations.

Practice Area

  • Dispute Resolution
  • Compliance
  • European Law


Education

  • LLM in General Studies, New York University, 2007
  • Post-graduate degree (DEA) in International Business Law and International Trade Law, Paris I – Panthéon-Sorbonne University, 2005
  • Master’s degree (Maitrise) in Business Law – International Law, Paris I – Pantheon-Sorbonne University, 2004
  • ESSEC Business School, 2004


Admitted to the bar

  • New York, 2007
  • Paris, 2005


Languages

French I English I Greek (notions)

LEGAL 500 EMEA 2024
Compliance : Tier 1
Leading Individual

CHAMBERS AND PARTNERS FRANCE 2025
Corporate Compliance & Investigations : Band 3

BEST LAWYERS 2025
(Recognized in Best Lawyers since 2023)
Corporate Governance and Compliance Practice


DÉCIDEURS STRATÉGIE FINANCE DROIT 2024
COMPLIANCE
Compliance program:
leading

DISPUTE RESOLUTION
Commercial
litigation: excellent
White
collar crime: excellent

  • AD Deal

    August Debouzy advised Chausson Matériaux on the acquisition of Frans Bonhomme’s business in France

    August Debouzy advised Chausson Matériaux, France’s leading independent distributor of building materials, on the acquisition of Frans Bonhomme’s business in France, the French leader in multi-channel distribution of materials and solutions for networks and infrastructures.

  • AD Article

    The European Union Adopts A 15th Package Of Sanctions Against Russia

    On 16 December 2024, the Council of the European Union adopted a 15th package of restrictive measures against Russia, including individual and trade sanctions. This last-minute initiative specifically targets strategies for circumventing sanctions, such as the ‘shadow fleet’ piloted by Moscow and the Russian military-industrial complex. Comprising three regulations and two decisions, this package of sanctions follows on from the conclusions of the European Council of 17 October 2024, which condemned a flagrant violation of the United Nations Charter and called for the full and effective implementation of sanctions and new measures to counter their circumvention, including through third countries.

  • AD Article

    Sanctions against Russia - The Commission's long-awaited update on the notion of "Best efforts" as per Article 8a of Regulation 833/2014

    On November 22nd, the Commission finally published an update to its Russia Sanction FAQS providing long-awaited guidance on the notion of “best efforts” in

  • AD Article

    Sanctions | EU adopts 14th economic and individual sanctions against Russia

    On June 24, 2024, after intense negotiations between member states, the European Union adopted its 14th set of sanctions against Russia. This new package of measures, characterized by its firmness and targeted strategies, aims to weaken the Russian economy and restrict its military capabilities.

  • AD Article

    Sanctions following the death of Alexei Navalny: A new illustration of the rise of international sanctions in case of human rights violations

    In response to the death on February 16, 2024, of Russian opposition leader Alexei Navalny in the IK-3 penal colony, the Council of the European Union (EU)

  • AD Deal

    August Debouzy assisted Warrant Hub (Tinexta Group) in its acquisition of a majority stake in ABF Group

    August Debouzy, in coordination with the international law firm Gianni & Origoni, assisted Warrant Hub S.p.A. - a subsidiary of Tinexta S.p.A. a leadin

  • AD Article

    Extraterritoriality of US law | EU General Court’s IFIC Holding ruling provides crucial clarifications on the application of the EU Blocking Statute

    Dans un arrêt majeur, le Tribunal de l’Union européenne (TUE) a validé les décisions de la Commission européenne autorisant Clearstream Banking AG à bloquer les dividendes de la société allemande IFIC Holding, dont les actions sont indirectement détenues par l'État iranien. Cet arrêt, qui aborde notamment les questions de rétroactivité et de droit d'être entendu soulevées par IFIC Holding, met en évidence la complexité des enjeux juridiques et politiques liés à cette affaire.

  • AD Article

    Sanctions | EU Adoption of the 11th Wave of Economic and Individual Sanctions against Russia

    Le 21 juin 2023, le Conseil de l'Union européenne a annoncé l'adoption d'un onzième train de sanctions contre la Russie, en réponse à l'aggravation du conflit en Ukraine. L’objectif affiché est le renforcement de l'efficacité de l'application et de la mise en œuvre des sanctions existantes, en tirant parti des enseignements tirés de leur application au cours de l'année écoulée.

  • AD Article

    Individual restrictive measures - Regulation (EU) No 2023/1089 of 5 June 2023 amending Regulation (EU) No 269/2014

    Dans le cadre de notre veille réglementaire, nous vous signalons l’adoption le 5 juin 2023 du Règlement (UE) n°2023/1089 par le Conseil de l’Union européenne modifiant le Règlement (UE) n°269/2014 concernant des mesures restrictives eu égard aux actions compromettant ou menaçant l’intégrité territoriale, la souveraineté et l’indépendance de l’Ukraine.

  • AD Deal

    August Debouzy advised International Media Invest a.s. (« IMI »), 100% subsidiary of Czech Media Invest (« CMI »), the group co-founded by Daniel Křetínský, for the acquisition of 100% of Editis from Vivendi

    August Debouzy advised IMI, a subsidiary of the CMI group, in connection with the contemplated acquisition from Vivendi of 100% of Editis, one of the leadi

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