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

Following appointment by the Claimants, Guido Santiago Tawil (Argentine) accepts his  appointment as arbitrator.

Following appointment by the Respondent, Ioana Knoll-Tudor (Romanian) accepts her appointment as arbitrator.

Following appointment by agreement of the parties, Michael Collins (British) accepts his appointment as presiding arbitrator.

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention.  Its members are: Michael Collins (British) President, appointed by agreement of the parties; Guido Santiago Tawil (Argentine), appointed by the Claimants; and Ioana Knoll-Tudor (Romanian), appointed by the Respondent.

The Respondent files a proposal for disqualification of arbitrator Guido Tawil. The proceeding is suspended in accordance with ICSID Arbitration Rule 9(6).

The arbitrator furnishes explanations regarding the proposal for disqualification in accordance with ICSID Arbitration Rule 9(3).

The Claimants file observations on the proposal for disqualification.

The Respondent files observations on the proposal for disqualification.

The Claimants file a request to file a response on the Respondent’s observation of April 24, 2020.

Each party files a response on the other party’s observations.

The proposal for disqualification of arbitrator Guido Tawil is declined by the Chairman of the Administrative Council. The proceeding is resumed pursuant to ICSID Arbitration Rule 9(6).

The Tribunal holds a first session by video conference.

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

The Claimants file a memorial on the merits.

The Respondent files a counter-memorial on the merits and a memorial on jurisdiction.

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

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

Following exchanges between the parties, each party files a request for the Tribunal to decide on production of documents.

The Tribunal issues Procedural Order No. 2 concerning the non-disputing party’s application to file a written submission pursuant to ICSID Arbitration Rule 37(2).

The Tribunal issues Procedural Order No. 3 concerning production of documents.

The non-disputing party files a written submission pursuant to ICSID Arbitration Rule 37(2).

The Claimants file a reply on the merits and a counter-memorial on jurisdiction.

The Respondent files a request for reconsideration of Procedural Order No. 3 of June 19, 2021.

The Claimants file observations on the Respondent’s request of October 22, 2021.

The Respondent files responses to the Claimants’ observations of November 3, 2021.

The Tribunal issues Procedural Order No. 4 concerning the Respondent’s request of October 22, 2021.

The Respondent files a request to exclude a document and references from the record.

The Claimants file observations on the Respondent’s request of December 3, 2021.

The Respondent files a response to the Claimants’ observations of December 10, 2021.

The Claimants file further observations on Respondent’s response of December 21, 2021.

The Respondent files a response to Claimants’ further observations of December 22, 2021.

The Tribunal issues Procedural Order No. 5 concerning the Respondent’s request of December 3, 2021.

The Respondent files a rejoinder on the merits and a reply on jurisdiction.

The Claimants file a rejoinder on jurisdiction.

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 April 7, 2022.

The Tribunal decides on the Respondent’s request of April 7, 2022.

The Tribunal holds a pre-hearing organizational meeting with the parties by video conference.

The Tribunal issues Procedural Order No. 6 concerning the organization of the hearing.

The Respondent files a proposal for disqualification of the three members of the Tribunal. The proceeding is suspended in accordance with ICSID Arbitration Rule 9(6).

The Claimants file observations on the Respondent’s proposal of May 17, 2022.

Each member of the Tribunal furnishes explanations regarding the proposal for disqualification in accordance with ICSID Arbitration Rule 9(3).

The parties file additional observations on the proposal for disqualification.

The proposal for disqualification of the three members of the Tribunal is declined by the Chairman of the Administrative Council.  The proceeding is resumed pursuant to ICSID Arbitration Rule 9(6).

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 November 16, 2022 and a request for the Tribunal to decide on the admissibility of new evidence.

The Respondent files observations on the Claimants'  request of November 28, 2022.

The Tribunal decides on the Respondent’s request of November 16, 2022 and the Claimants’ request of November 28, 2022.

The Claimants file a request for the Tribunal to decide on the admissibility of new evidence.

The Respondent files observations on the Claimants’ request of March 20, 2023.

The Tribunal decides on the admissibility of new evidence.

The Claimants file further observations on their request of March 20, 2023.

The Respondent files a response on the Claimants’ further observations of March 27, 2023, and a request for the Tribunal to decide on the admissibility of new evidence.

The Claimants file observations on the Respondent’s request of April 3, 2023. 

The Tribunal decides on the admissibility of new evidence.

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 January 10, 2024 and a request for the Tribunal to decide on the admissibility of new evidence.

The Respondent files observations on the Claimants’ request of January 10, 2024 and a request for the Tribunal to decide on the admissibility of new evidence.

The Tribunal decides on the admissibility of new evidence.

The Tribunal holds a pre-hearing organizational meeting with the parties by video conference.

The Tribunal issues Procedural Order No. 7 concerning the organization of the hearing.

The Tribunal holds a hearing on jurisdiction, the merits and quantum in London.

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

The Claimants file a request for the Tribunal to decide on the admissibility of new evidence.

The Respondent files observations on the Claimants’ request of March 15, 2024.

The Claimants file further observations on Respondent’s response of March 20, 2024.

The Tribunal decides on the admissibility of new evidence.

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 April 25, 2024.

The Tribunal decides on the Respondent’s request of April 25, 2024.

The Claimants file a post-hearing brief.

The Respondent files a post-hearing brief.

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 July 10, 2024.

The Tribunal decides on the admissibility of new evidence.

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 April 16, 2025.

The Tribunal decides on the admissibility of new evidence.

The Tribunal issues a decision on jurisdiction, liability and principles of quantum.