Photo, Marine de Bailleul

Marine de Bailleul

Baker & McKenzie A.A.R.P.I.


Marine is a senior associate in the Litigation & Arbitration Practice Group of Baker McKenzie in Paris, focusing her practice on international commercial and investment arbitration. Marine is French and has lived in several countries, including the US, the UK, Argentina and India. With a unique multicultural background, she is able to work on complex arbitrations involving various regions of the globe and in different languages. Marine is dual-qualified in New York and Paris and fluent in English, French and Spanish. She also speaks Italian.

Practice Focus

Marine advises businesspersons, corporations from diverse industries and state governments and entities in global dispute resolution strategy. She represents them in major multimillion arbitration proceedings, across a large variety of sectors especially energy, infrastructure, mining and financial services.

Marine’s experience includes the ICC, LCIA, ICSID, and UNCITRAL Arbitration Rules, especially disputes arising out of international commercial contracts, bilateral investment treaties and investment agreements. Her practice mainly involves multijurisdictional issues where she has extensive experience.

Prior to joining Baker McKenzie, Marine worked in the Washington, DC and London offices of leading international law firms for several years, also focusing on international arbitration.

Representative Legal Matters

  • Acting for Mauritius investors in Senegal’s electricity sector in a one-billion ICSID arbitration brought under the Mauritius-Senegal BIT and Senegal’s Investment Code.
  • Acting for one of the largest management consulting firms against a French producer of sugar and sweeteners before the ICC regarding alleged violations of a consulting agreement.
  • Acting for a respondent state in an ICSID arbitration brought by foreign investors for an amount of USD 395 million based on the Algeria-Switzerland BIT in the area of dry ports, including consignment of ships and cargo, transportation of goods, and shipping broker activities.
  • Acted for a North African state in defending an UNCITRAL arbitration against a US investment banking and financial services firm, relating to alleged violations of a contract for the privatization of chemical companies in that state.
  • Acted for a major state central bank as a global advisor and strategic coordinator in its multijurisdictional response to attempts to enforce an arbitration award in excess of USD 500 million in England, the United States, Italy, Belgium, the Netherlands, and Sweden.
  • Acted for a leading commodity trader in its ICC arbitration claims against a Qatari energy customer regarding the non-payment of the price of a delivered LNG cargo in the Middle East.
  • Acted for a Mauritanian company in a GAFTA arbitration against a South Korean company over the shipment of a rice cargo from Thailand to Mauritania pursuant to a contract for the sale of goods, in the context of the current health crisis.
  • Acted for a Mauritius company that invested in Pakistan’s largest LPG import terminal, in a London-seated USD 640 million dispute against Pakistan under the UNCITRAL Rules for violation of the claimants’ legitimate expectations and unlawful expropriation of their investment.
  • Acted for a UAE national and his company in a shareholder dispute regarding a water desalination plant in the UAE, brought by a Spanish claimant company under the auspices of the ICC.
  • Acted for an Asian exploration and construction company in two LCIA arbitrations related to highly valuable mining projects in the Democratic Republic of Congo.  

Professional Honors

Marine received a distinction in The Legal 500 Arbitration Powerlist – France 2023, confirming her place among the most talented arbitration practitioners in the French market.

  • Legal 500 Private Practice Arbitration Powerlist – France (2023)
    Individual ranked in international arbitration

  • Chambers Global – Europe Wide (2018-2022)
    Practice ranked Band 2 in dispute resolution

  • Option Droit et Affaires (2017-2022)
    Practice ranked Band 3 in international arbitration

  • Legal 500 EMEA – France (2022)
    Practice ranked Tier 5 in international arbitration

Professional Associations and Memberships

  • LCIA Young International Arbitration Group (YIAG)
  • ICC Young Arbitrators Forum (YAF)
  • Latin American International Arbitration (LAIA)
  • Woman Way in Arbitration (WWA)
  • ArbitralWomen
  • WCL Alumni in International Arbitration
  • Paris Bar Association
  • International Bar Association

Corporate Responsibility

  • Marine is currently working on a major submission to the International Criminal Court’s Office of the Prosecutor to investigate crimes against humanity under the Rome Statute.

  • Marine has done significant work for Lawyers Without Borders to raise awareness on human trafficking, forced labor, and child labor in Tanzania and Thailand, as well as for the International Justice Mission to help implement legislation to reduce domestic violence in Uganda.

  • Marine also worked in 2014 for a non-profit organization providing immigration legal services to low-income individuals in the Latino community, immigrants, and survivors of violent crimes in the United States including human trafficking and domestic violence.


  • Paris~France (2021)
  • New York~United States (2014)


  • American University Washington College of Law (LL.M. in International Arbitration & Business Law) (2013)
  • Paris Nanterre University (Master in Business Law) (2012)


  • English
  • French
  • Italian
  • Spanish
  • Co-author, "Defining violations of international public policy under French law: A confirmed new standard," Global Arbitration News, December 2023
  • Co-speaker at a Baker McKenzie webinar with Petrobras Legal Manager for International Arbitration, "The pitfalls of drafting arbitration agreements," November 2023
  • Author, Attaquer une institution arbitrale en justice ou rechercher à tout prix un nouveau coupable? Commentaire de jurisprudence Cass. 1ère civ., 22 mars 2023, n° 21-16238, Cahiers de l’Arbitrage n° 3, 1 July 2023
  • Co-author, "Kout Food: The autonomy and independence of the arbitration clause in the absence of an express will of the parties," Global Arbitration News, April 2023
  • Co-author, French chapter, Baker McKenzie International Arbitration Yearbook, 2021-2024
  • Co-presenting and moderating several Baker McKenzie webinars, part of the “Clause café” series including: the clause of fair and equitable treatment in investment arbitration, the clause of expropriation and nationalization, the concept of investment in bilateral investment treaties, 2021-2023