The Secretary-General registers a request for the institution of arbitration proceedings.  

Following appointment by the Claimants, Fernando Mantilla-Serrano (Colombian) accepts his appointment as arbitrator.

Following appointment by the Respondent, Laurence Boisson de Chazournes (French/Swiss) accepts her appointment as arbitrator. 

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention.  Its members are: Bernard Hanotiau (Belgian), President, appointed by agreement of the parties; Fernando Mantilla-Serrano (Colombian), appointed by the Claimants; and Laurence Boisson de Chazournes (French/Swiss), appointed by the Respondent.

Following appointment by agreement of the parties Bernard Hanotiau (Belgian) accepts his appointment as presiding arbitrator.

The Tribunal holds a first session by video conference.

The Tribunal issues Procedural Order No. 1 concerning procedural matters.

A non-disputing party files an application to file a written submission pursuant to ICSID Arbitration Rule 37(2).

The Claimants file a proposal for disqualification of Respondent’s counsel.

The Respondent files observations on the Claimants’ proposal of March 25, 2022. 

Each party files observations on the non-disputing party’s application.

The Claimants file a response to the Respondent’s observations of April 1, 2022.    

The Respondent files a response to the Claimants’ observations of April 8, 2022.   

The Tribunal issues Procedural Order No. 2 concerning the non-disputing party’s application of March 22, 2022.

The Tribunal holds a hearing by videoconference on the Claimants’ proposal for disqualification of Respondent’s counsel.

The Tribunal issues Procedural Order No. 3 concerning the Claimants’ proposal for disqualification of Respondent’s counsel.

The Claimants file a memorial on the merits. 

The Respondent files a counter-memorial on the merits. 

The Tribunal issues Procedural Order No. 4 concerning production of documents.

The Tribunal issues Procedural Order No. 5 concerning production of documents. 

The Tribunal issues Procedural Order No. 6 concerning production of documents.

The Claimants file a reply on the merits.

The Tribunal issues Procedural Order No. 7 concerning procedural matters.

The Tribunal issues Procedural Order No. 8 concerning procedural matters.

The Respondent files a rejoinder on the merits.

The Tribunal issues Procedural Order No. 9 concerning procedural matters.

The Respondent files a request for security for costs.

The Tribunal issues Procedural Order No. 10 concerning the organization of the hearing. 

The Tribunal holds a hearing on jurisdiction and the merits in Paris.

The Claimants file observations on the Respondent’s request for security for costs.

The Respondent files a response to the Claimants’ observations of February 23, 2024.

The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.

The Claimants file observations on the Respondent’s request of March 11, 2024.

The Tribunal issues a decision on the admissibility of new evidence.

The Claimants file a post-hearing brief.

The Claimants file further observations to the Respondent’s response of March 7, 2024.

The Respondent files a post-hearing brief.

Each party files a statement of costs.

The Tribunal issues Procedural Order No. 11 concerning security for costs.

The Tribunal declares the proceeding closed in accordance with ICSID Arbitration Rule 38(1).

The Tribunal renders its award.