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About Luiza Saldanha Pena Costa

Luiza is an associate in our international arbitration group.

A member of the Paris Bar, Luiza is trained in both civil and common law. She has experience in investment and commercial arbitrations. Before acting as counsel in arbitration cases, Luiza also worked as a legal consultant at the United Nations Office on Drugs and Crimes, where she provided assistance to states from the Sahel region in regard to their legislation on firearms.

She is a member of the Steering Committee of the Paris Very Young Arbitration Practitioners group (PVYAP).

She speaks fluent Portuguese, French, English and Spanish.



  • University of Paris I Panthéon-Sorbonne, France: 
    • Master 2 in International Law and International Organizations
    • Maîtrise in International and European Law
    • Diploma in English applied to Law (DULA Common law)
  • Federal University of Minas Gerais (UFMG), Brazil (Erasmus Mundus Program)


  • Elgar’s Commentaries Series, Edward Elgar Pub. Co-edited with R. Gerbay et G. Alvarez (2019) The ICSID Convention, Regulations and Rules - A Practical Commentary (with Julien Fouret)

  • Revista Brasileira de Arbitragem (Bosco Lee and de Andrade Levy (eds); Mar 2018 Note: République du Kirghizstan c. Valeri Belokon, Court of Appeal of Paris, Case No. RG 15/01650, 21 February 2017, (with Thierry Tomasi)

  • International Law Office, 4 February 2021 Seeking stay or amendment of enforcement of international awards: evolution of courts’ approach

  • International Law Office, 6 May 2021 Court of Cassation finds that a BIT's limitation period relates to admissibility, not jurisdiction

  • LexisNexis, 25 January 2022 Paris Court of Appeal decides parties’ consent to arbitration not circumscribed by form of notification of arbitration and rejects tribunal's irregular constitution as forming part of jurisdictional objection (Ecuador v Maessa)