Case Details

L’Air Liquide, société anonyme pour l’Etude et l’Exploitation des procédés Georges Claude, Air Liquide International S.A., and Azerus S.A.S. v. United Mexican States (ICSID Case No. ARB/25/17)

Claimant(s)/Nationality(ies):

L’Air Liquide, société anonyme pour l’Etude et l’Exploitation des procédés Georges Claude (French), Air Liquide International S.A. (French), Azerus S.A.S. (French)
Respondent(s):

United Mexican States (Mexican)
Date Registered:

April 7, 2025
Date of Constitution of Tribunal:

March 9, 2026

President:

Lucinda A. LOW (U.S.) - Appointed by the Parties
Arbitrators:

Horacio A. GRIGERA NAÓN (Argentine, U.S.) - Appointed by the Claimant(s)
Zachary DOUGLAS (Australian, Swiss) - Appointed by the Respondent(s)

Claimant(s):

White & Case, Mexico City, Mexico and Paris, France
Respondent(s):

Tereposky & DeRose, Ontario, Canada
Pillsbury Winthrop Shaw Pittman, Washington, D.C., U.S.A.
Dirección General de Consultoría Jurídica de Comercio Internacional, Secretaría de Economía, Mexico City, Mexico
Language(s) of Proceeding:

English,Spanish
Status of Proceeding:

Pending
Latest Development:

May 29, 2026 - The Tribunal issues Procedural Order No. 1 concerning procedural matters.

No References Available.

Date	Development
April 7, 2025	The Acting Secretary-General registers a request for the institution of arbitration proceedings.
June 10, 2025	Following appointment by the Claimants, Horacio A. Grigera Naón (Argentine) accepts his appointment as arbitrator.
August 15, 2025	Following appointment by the Respondent, Zachary Douglas (Australian/Swiss) accepts his appointment as arbitrator.
March 9, 2026	Following appointment by agreement of the parties, Lucinda Low (U.S.) accepts her appointment as presiding arbitrator.
March 9, 2026	The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are Lucinda Low (U.S.), President, appointed by agreement of the parties; Horacio A. Grigera Naón (Argentine/U.S.), appointed by Claimants; and Zachary Douglas (Australian/Swiss), appointed by Respondent.
April 21, 2026	The Tribunal holds a first session by video conference.
May 29, 2026	The Tribunal issues Procedural Order No. 1 concerning procedural matters.