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

Following appointment by the Claimants, Stanimir Alexandrov (Bulgarian) accepts his appointment as arbitrator.

Following appointment by the Respondent, Jan Paulsson (French/Swedish) accepts his appointment as arbitrator.

Following appointment by agreement of the parties, Ali Malek (British/Iranian) accepts his appointment as presiding arbitrator.

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention.  Its members are: Ali Malek (British/Iranian), President, appointed by agreement of the parties; Stanimir Alexandrov (Bulgarian), appointed by Claimants; and Jan Paulsson (French/Swedish), appointed by Respondent.

The Tribunal holds a first session by telephone conference.

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

The Respondent files a request for disqualification of counsel.

The Claimants file observations on the request for disqualification of counsel.

The Respondent files a reply to Claimants’ observations on the request for disqualification of counsel.

The Claimants file observations on the Respondent’s reply of February 7, 2020.

The Tribunal issues a decision on the Respondent’s request for disqualification of counsel.

The Claimants file a memorial on the merits.

The Respondent files a request to address the objections to jurisdiction as a preliminary question.

The Claimants file observations on the request to address the objections to jurisdiction as a preliminary question.

The Respondent files a response to the Claimants’ observations of June 19, 2020.

The Claimants file further observations on the request to address the objections to jurisdiction as a preliminary question.

The Tribunal issues a decision on the Respondent’s request to address the objections to jurisdiction as a preliminary question; as a result, the objections to jurisdiction are joined to the merits of the dispute.

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

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 production of documents.

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

The Tribunal issues Procedural Order No. 3 concerning the disclosure of documents.

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

The Claimants file a rejoinder on jurisdiction.

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

The Tribunal issues Procedural Order No. 4 concerning the organization of the hearing.

The Claimants file a request for provisional measures.

The Respondent files observations on the Claimants’ request for provisional measures.

The Claimants file a response to the Respondent’s observations of September 11, 2023.

The Tribunal issues Procedural Order No. 5 concerning procedural matters.

The Respondent files a request for reconsideration of Procedural Order No. 5 dated September 13, 2023.

The Tribunal issues Procedural Order No. 6 concerning the Claimants’ application for provisional measures.

The Tribunal issues Procedural Order No. 7 concerning the Respondent’s request for reconsideration of Procedural Order No. 5.

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

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 November 3, 2023.

The Claimants file a response to the Respondent’s observations of November 10, 2023.

The Tribunal issues Procedural Order No. 8 concerning the admissibility of new evidence.

Each party files a post-hearing brief.

Each party files a submission on costs.

Each party files observations on the other party’s submission on costs.

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

The Tribunal renders its award.