Case Details
Zenith Energy Africa Ltd., Zenith Overseas Assets Ltd. and Compagnie du Désert Ltd. v. Republic of Tunisia (ICSID Case No. ARB/23/18)
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Oil concessions
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Oil, Gas & Mining
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BIT United Kingdom of Great Britain and Northern Ireland - Tunisia 1989
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ICSID Convention - Arbitration Rules
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Zenith Energy Africa Ltd. (British), Zenith Overseas Assets Ltd. (British), Compagnie du Désert Ltd. (British)
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June 5, 2023
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December 4, 2023
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Loretta MALINTOPPI (Italian) - Appointed by the Chairman of the Administrative Council
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Henri C. ÁLVAREZ (Canadian) - Appointed by the Claimant(s)
Nassib G. ZIADÉ (Chilean, Lebanese) - Appointed by the Respondent(s) -
Charles Russell Speechlys, Paris, France
Clay Arbitration, Paris, France
Ben Juratowitch KC, London, U.K.
Matthieu Gregoire, London, U.K.
Le 16 Law, Paris, France -
Ouerfelli Attorneys & Counsels, Tunisia
Curtis Mallet-Prevost, Colt & Mosle, London, U.K. and Paris, France -
French
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Pending
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May 14, 2026 - The Tribunal issues Procedural Order No. 13 concerning procedural matters.
(a) Original Proceeding
Composition of Tribunal
Party Representatives
(a) Original Proceeding
Published Decisions
Procedural Order No. 1
Procedural Order No. 2
Procedural Order No. 3
Procedural Order No. 4
Procedural Order No. 5
Procedural Order No. 6
Procedural Order No. 7
Procedural Order No. 8
Procedural Order No. 9
Procedural Order No. 10
Procedural Order No. 11
Procedural Order No. 12
Procedural Order No. 13
Available on the ICSID Website
Procedural Order No. 1 (January 19, 2024) French (Original)
Procedural Order No. 2 (January 19, 2024) French (Original)
Procedural Order No. 3 (December 23, 2024) French (Original)
Procedural Order No. 4 (July 9, 2025) French (Original)
Procedural Order No. 5 (July 14, 2025) French (Original)
Procedural Order No. 6 (August 1, 2025) French (Original)
Procedural Order No. 7 (August 5, 2025) French (Original)
Procedural Order No. 8 (October 23, 2025) French (Original)
Procedural Order No. 9 (November 4, 2025) French (Original)
Procedural Order No. 10 (March 22, 2026) French (Original)
Procedural Order No. 11 (March 30, 2026) French (Original)
Procedural Order No. 12 (April 10, 2026) French (Original)
Procedural Order No. 13 (May 14, 2026) French (Original)
(a) Original Proceeding
| Date | Development |
|---|---|
| June 5, 2023 | The Secretary-General registers a request for the institution of arbitration proceedings. |
| August 15, 2023 | Following appointment by the Claimants, Henri C. Alvarez (Canadian) accepts his appointment as arbitrator. |
| September 7, 2023 | Following appointment by the Respondent, Nassib G. Ziadé (Chilean/Lebanese) accepts his appointment as arbitrator. |
| November 10, 2023 | The Claimants file a request for the Chairman of the Administrative Council to appoint the arbitrator not yet appointed pursuant to Article 38 of the ICSID Convention. |
| December 4, 2023 | Following appointment by the Chair of the Administrative Council in accordance with Article 38 of the ICSID Convention, Loretta Malintoppi (Italian) accepts her appointment as presiding arbitrator. |
| December 4, 2023 | The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: Loretta Malintoppi (Italian), President, appointed by the Chair of the Administrative Council in accordance with Article 38 of the ICSID Convention; Henri C. Álvarez (Canadian), appointed by the Claimants; and Nassib G. Ziadé (Chilean/Lebanese) appointed by the Respondent. |
| January 4, 2024 | The Tribunal holds a first session by video conference. |
| January 19, 2024 | The Tribunal issues Procedural Order No. 1 concerning procedural matters. |
| January 19, 2024 | The Tribunal issues Procedural Order No. 2 concerning transparency and confidentiality matters. |
| September 30, 2024 | The Claimants file a memorial on the merits. |
| November 15, 2024 | The Respondent files a request to address the objections to jurisdiction as a preliminary question pursuant to ICSID Convention Article 41(2) and ICSID Arbitration Rule 44. |
| November 29, 2024 | The Claimants files observations on the request to address the objections to jurisdiction as a preliminary question. |
| December 23, 2024 | The Tribunal issues a decision on the Respondent’s request to address the objections to jurisdiction as a preliminary question. |
| April 24, 2025 | The Respondent files a counter-memorial on the merits and a memorial on preliminary objections. |
| June 4, 2025 | The Claimants file a request for provisional measures. |
| June 20, 2025 | The Respondent files observations on the Claimants’ request for provisional measures. |
| June 25, 2025 | Following exchanges between the parties, the parties file requests for the Tribunal to decide on production of documents. |
| June 27, 2025 | The Claimants file a response to the Respondent’s observations of June 20, 2025. |
| July 4, 2025 | The Respondent files a response to the Claimants’ observations of June 27, 2025. |
| July 9, 2025 | The Tribunal issues Procedural Order No. 4 concerning production of documents. |
| July 14, 2025 | The Tribunal issues Procedural Order No. 5 concerning provisional measures. |
| August 1, 2025 | The Tribunal issues Procedural Order No. 6 concerning the admission of new document to the record. |
| August 5, 2025 | The Tribunal issues Procedural Order No. 7 concerning provisional measures. |
| September 19, 2025 | The Claimants file a reply on the merits and a counter-memorial on preliminary objections. |
| October 23, 2025 | The Tribunal issues Procedural Order No. 8 concerning procedural matters. |
| November 4, 2025 | The Tribunal issues Procedural Order No. 9 concerning procedural matters. |
| December 19, 2025 | The Tribunal holds a case management conference with the parties by video conference. |
| February 19, 2026 | The Respondent files a rejoinder on the merits and reply on preliminary objections. |
| March 11, 2026 | The Claimants file a request for suspension of the proceeding. |
| March 16, 2026 | The Respondent files observations on the Claimants’ request of March 11, 2026. |
| March 19, 2026 | The Claimants file a rejoinder on preliminary objections. |
| March 22, 2026 | The Tribunal issues Procedural Order No. 10 concerning suspension of the proceeding. |
| March 30, 2026 | The Tribunal issues Procedural Order No. 11 concerning procedural matters. |
| April 7, 2026 | The Tribunal holds a pre-hearing organizational meeting with the parties by video conference. |
| April 10, 2026 | The Tribunal issues Procedural Order No. 12 concerning organization of the hearing. |
| April 20, 2026 - April 24, 2026 | The Tribunal holds a hearing on jurisdiction and the merits in Paris. |
| April 29, 2026 | The Tribunal poses questions to the parties. |
| April 30, 2026 | The Respondent files a request for the Tribunal to decide on the admissibility of a supporting document. |
| May 7, 2026 | The Claimants file observations on the Respondent’s request of April 30, 2026. |
| May 14, 2026 | The Tribunal issues Procedural Order No. 13 concerning procedural matters. |

