The President holds a pre-hearing organizational meeting with the parties by telephone conference.

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

The Claimants file observations on the proposal for disqualification.

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

Each party files additional observations on the proposal for disqualification.

The proposal for disqualification of Tribunal member Gary B. Born is declined by the other two members of the Tribunal.  The proceeding is resumed pursuant to ICSID Arbitration Rules 53 and 9(6).

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

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

The Tribunal decides on the Respondent’s request of March 27, 2018 and the Claimants’ request of March 29, 2018.

Following the resignation of arbitrator Gary Born, the Centre notifies the parties of the vacancy on the Tribunal and the proceeding is suspended pursuant to ICSID Arbitration Rule 10(2).

Following the resignation of arbitrator Gary Born (U.S.), Michael Pryles (Australian) accepts his appointment as arbitrator, appointed by the Claimants in accordance with ICSID Arbitration Rule 11(1).

The Tribunal is reconstituted. Its members are Vaughan Lowe (British), President, appointed by the parties; Michael Pryles (Australian), appointed by the Claimants; and Zachary Douglas (Australian) appointed by the Respondent. The proceeding is resumed pursuant to ICSID Arbitration Rules 12.

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

The Claimants file observations on the proposal for disqualification.

The arbitrator 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 arbitrator Vaughan Lowe is declined by the co-arbitrators. The proceeding is resumed pursuant to ICSID Arbitration Rule 9(6).

The President holds a pre-hearing organizational meeting with the parties by telephone conference.

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

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

The Tribunal decides on the admissibility of new evidence.

The Tribunal issues Procedural Order No. 3 concerning the organization of the hearing.

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

Each party files a post-hearing brief.

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

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 December 18, 2019.

The Tribunal decides on the admissibility of new evidence.

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

The Respondent files observations on the Claimants' request of January 30, 2020.

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 5, 2020.

The Tribunal decides on the admissibility of new evidence.

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

The Tribunal decides on the admissibility of new evidence.

The Tribunal issues a decision on jurisdiction and admissibility.

The Claimants file a supplemental post-hearing brief.

The Respondent files a supplemental post-hearing brief.

The Respondent files a request for reconsideration of the Tribunal's Decision of April 19, 2021.

The Claimants file observations on the Respondent's request of September 30, 2021.

The Tribunal decides on the Respondent’s request of September 30, 2021.

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

The Tribunal decides on the admissibility of new evidence.

The Respondent files a request for reconsideration of the Tribunal's Decision of April 19, 2021 and the Tribunal’s Decision of December 6, 2021.

The Claimants file observations on the Respondent's request of June 24, 2022.

The Tribunal decides on the Respondent’s request of June 24, 2022.

The Tribunal issues a decision on jurisdiction, liability and quantum; attached to the decision is a partial dissenting opinion by arbitrator Zachary Douglas.

The Respondent files a request for reconsideration of the Tribunal's Decision of September 14, 2022.

The Claimants file observations on the Respondent's request of December 27, 2022. 

The Tribunal decides on the Respondent’s request of December 27, 2022.

Each party files a submission on costs.

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

The Tribunal renders its award.

The Secretary-General registers an application for annulment of the award filed by the Kingdom of Spain and notifies the parties of the provisional stay of enforcement of the award.

The ad hoc Committee is constituted in accordance with Article 52(3) of the ICSID Convention.  Its members are: Dário Moura Vicente (Portuguese), President; Katherine González Arrocha (Panamanian and French); and Carlos José Valderrama (Peruvian); all members appointed by the Chairman of the Administrative Council.

The ad hoc Committee holds a first session by video conference.

The ad hoc Committee issues Procedural Order No. 1 concerning procedural matters.

The Kingdom of Spain files a request for the ad hoc Committee to decide on the admissibility of new evidence.

Mathias Kruck and others file observations on the Kingdom of Spain’s request of August 1, 2024. 

The ad hoc Committee issues Procedural Order No. 2 concerning the Kingdom of Spain’s request of August 1, 2024.

The Kingdom of Spain files a request to continue the stay of enforcement of the award. 

Mathias Kruck and others file observations on the Kingdom of Spain’s request to continue the stay of enforcement of the award.

The Kingdom of Spain files a memorial on annulment. 

The Kingdom of Spain files a reply in support of the continuation of the stay of enforcement of the award.

Mathias Kruck and others file a rejoinder in opposition to the continuation of the stay of enforcement of the award.