Case Details

Mota-Engil Engenharía e Construção, S.A. v. Republic of Paraguay (ICSID Case No. ARB/25/31)

Subject of Dispute:

Bus rapid transit system
Economic Sector:

Transportation
Instrument(s) Invoked:

BIT Paraguay - Portugal 1999
Applicable Rules:

ICSID Convention - Arbitration Rules

(a) Original Proceeding

Claimant(s)/Nationality(ies):

Mota-Engil Engenharía e Construção, S.A. (Portuguese)
Respondent(s):

Republic of Paraguay (Paraguayan)
Date Registered:

July 1, 2025
Date of Constitution of Tribunal:

December 1, 2025

Composition of Tribunal

President:

Mélanie RIOFRIO PICHÉ (Canadian, Ecuadorian) - Appointed by the Parties
Arbitrators:

Deva VILLANUA GOMEZ (Spanish) - Appointed by the Claimant(s)
Alexis MOURRE (French) - Appointed by the Respondent(s)

Party Representatives

Claimant(s):

Uría Menéndez Abogados, S.L.P., Madrid, Spain
Respondent(s):

Procuraduría General de la República, Asunción, Paraguay
Bullard Falla Ezcurra +, Madrid, Spain
Cleary Gottlieb Steen & Hamilton, New York, NY, U.S.A.
Language(s) of Proceeding:

Spanish
Status of Proceeding:

Pending
Latest Development:

March 23, 2026 - The Claimant files a memorial on the merits.

No References Available.

(a) Original Proceeding

Date	Development
July 1, 2025	The Acting Secretary-General registers a request for the institution of arbitration proceedings.
September 12, 2025	Following appointment by the Claimant, Deva Villanúa (Spanish) accepts her appointment as arbitrator.
October 15, 2025	Following appointment by the Respondent, Alexis Mourre (French) accepts his appointment as arbitrator.
December 1, 2025	Following appointment by agreement of the parties, Mélanie Riofrio Piché (Canadian/Ecuadoran) accepts her appointment as presiding arbitrator.
December 1, 2025	The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: Mélanie Riofrio Piché (Canadian/Ecuadoran), President, appointed by agreement of the parties; Deva Villanúa (Spanish), appointed by the Claimant; and Alexis Mourre (French), appointed by the Respondent.
February 3, 2026	The Tribunal holds a first session by video conference.
February 4, 2026	The Tribunal issues Procedural Order No. 1 concerning procedural matters.
February 4, 2026	The Tribunal issues Procedural Order No. 2 concerning procedural matters.
March 23, 2026	The Claimant files a memorial on the merits.