Case Details

Maritime Archaeology Consultants Switzerland AG v. Republic of Colombia (ICSID Case No. ARB/25/4)

Subject of Dispute:

Maritime exploration
Economic Sector:

Other
Instrument(s) Invoked:

BIT Colombia - Switzerland 2006
Applicable Rules:

ICSID Convention - Arbitration Rules

(a) Original Proceeding

Claimant(s)/Nationality(ies):

Maritime Archaeology Consultants Switzerland AG (Swiss)
Respondent(s):

Republic of Colombia (Colombian)
Date Registered:

January 13, 2025
Date of Constitution of Tribunal:

June 20, 2025

Composition of Tribunal

President:

Juan FERNÁNDEZ-ARMESTO (Spanish) - Appointed by the Parties
Arbitrators:

Guido Santiago TAWIL (Argentine, Portuguese) - Appointed by the Claimant(s)
Raúl E. VINUESA (Argentine, Spanish) - Appointed by the Respondent(s)

Party Representatives

Claimant(s):

BBGS Abogados, Bogota, Colombia
Essex Court Chambers, London, U.K.
Respondent(s):

Dirección de Defensa Jurídica Internacional
Agencia Nacional de Defensa Jurídica del Estado, Bogota, Colombia
Status of Proceeding:

Pending
Latest Development:

January 9, 2026 - The Tribunal issues Procedural Order No. 3 concerning procedural matters.

No References Available.

(a) Original Proceeding

Date	Development
January 13, 2025	The Secretary-General registers a request for the institution of arbitration proceedings.
March 3, 2025	Following appointment by the Claimant, Guido Santiago Tawil (Argentine/Portuguese) accepts his appointment as arbitrator.
April 19, 2025	Following appointment by the Respondent, Raúl E. Vinuesa (Argentine/Spanish) accepts his appointment as arbitrator.
June 19, 2025	Following appointment by agreement of the parties, Juan Fernández-Armesto (Spanish) accepts his appointment as presiding arbitrator.
June 20, 2025	The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: Juan Fernández-Armesto (Spanish), President, appointed by agreement of the parties; Guido Santiago Tawil (Argentine/Portuguese), appointed by the Claimant; and Raúl E. Vinuesa (Argentine/Spanish), appointed by Respondent.
July 25, 2025	The Tribunal holds a first session with the parties by video conference.
August 14, 2025	The Tribunal issues Procedural Order No. 1 concerning procedural matters.
August 14, 2025	The Tribunal issues Procedural Order No. 2 concerning transparency and confidentiality.
November 24, 2025	The Claimant files a memorial on the merits.
January 9, 2026	The Tribunal issues Procedural Order No. 3 concerning procedural matters.