Barton Legum

Participant Type: 

Individual

Involved in 11 cases (6 International Investment Agreement (Investor–State) · 5 Contract (Investor–State) · 1 Investment Protection Disputes · 1 International Commercial Arbitration (State–Private) · 1 Foreign Investment Law (Investor–State)) · evidenced by 121 case documents on record

Tribunal Chair / President 1 case in this role

• La Camerounaise des Eaux (CDE) v. Republic of Cameroon and Cameroon Water Utilities Cooperation (CAMWATER), ICSID Case No. CONC/19/1 View case details
  1 source document

  • La Camerounaise des Eaux (CDE) v. Republic of Cameroon and Cameroon Water Utilities Cooperation (CAMWATER), Commission Report

Arbitrator 6 cases in this role

• GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, ICC Case No. 26696/HBH View case details
  17 source documents

  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Claimant's Introduction of New Evidence
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Claimant's Introduction of New Evidence
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Claimant's Reply Memorial
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Claimant's Statement of Claim
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, First Expert Opinion of Mr Dejan Kostovski
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, First Legal Opinion of Aco Petrov
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Procedural Order No. 1
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Procedural Order No. 2
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Procedural Order No. 3
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Procedural Order No. 4
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Request for Arbitration
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Respondent's Answer to Request for Arbitration
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Respondent's Rejoinder
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Respondent's Statement of Defence
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Second Expert Opinion of Dejan Kostovski
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Second Legal Opinion of Aco Petrov
  • GAMA Güç Sistemleri Mühendislik ve Taahhüt A.Ş. v. Republic of North Macedonia, Terms of Reference
• Le Groupement Santullo Sericom Gabon v. Gabon, ICC Case No. 21403/MCP/DDA View case details
  1 source document

  • Judgement of the Paris Court of Appeal
• Ruby River Capital LLC v. Canada, ICSID Case No. ARB/23/5 View case details
  29 source documents

  • Claimant's Memorial on Jurisdiction and the Merits
  • Claimant's Observations on the Government of Québec's Request for Leave to File a Written Submission as a Non-Disputing Party
  • Procedural Order No. 1
  • Procedural Order No. 2
  • Request for Leave to File a Written Submission as a Non-Disputing Party
  • Respondent's Request for Bifurcation
  • Ruby River Capital LLC v. Canada,
  • Ruby River Capital LLC v. Canada, Claimant's Rejoinder on Respondent's Request for Bifurcation
  • Ruby River Capital LLC v. Canada, Claimant’s Rejoinder on Jurisdiction
  • Ruby River Capital LLC v. Canada, Letter from the Secretariat
  • Ruby River Capital LLC v. Canada, Observations on Request for Suspension of the Proceedings
  • Ruby River Capital LLC v. Canada, Procedural Order No. 1 - Annex B - Procedural Timetable
  • Ruby River Capital LLC v. Canada, Procedural Order No. 10
  • Ruby River Capital LLC v. Canada, Procedural Order No. 11
  • Ruby River Capital LLC v. Canada, Procedural Order No. 12
  • Ruby River Capital LLC v. Canada, Procedural Order No. 3 (Decision on the Respondent’s Request for Suspension of the Proceedingand Other Requests)
  • Ruby River Capital LLC v. Canada, Procedural Order No. 4
  • Ruby River Capital LLC v. Canada, Procedural Order No. 5
  • Ruby River Capital LLC v. Canada, Procedural Order No. 6 (Decision on Québec’s Application for Leave to Intervene as Non-Disputing Party)
  • Ruby River Capital LLC v. Canada, Procedural Order No. 7 (Decision on Centre quebécois du droit de l’environnement’s Application for Leave to Intervene)
  • Ruby River Capital LLC v. Canada, Procedural Order No. 9
  • Ruby River Capital LLC v. Canada, Request for Suspension of the Proceeding (French)
  • Ruby River Capital LLC v. Canada, Respondent's Counter-Memorial on the Merits
  • Ruby River Capital LLC v. Canada, Respondent's Reply on Jurisdiction
  • Ruby River Capital LLC v. Canada, Respondent’s Counter-Memorial
  • Ruby River Capital LLC v. Canada, Respondent’s Rejoinder on the Merits
  • Ruby River Capital LLC v. Canada,Claimant’s Reply
  • Ruby v. Canada, Claimant's Post-hearing Brief, March 24, 2026
  • Ruby v. Canada, Respondent's Post-hearing Brief, March 24, 2026
• Standard Chartered Bank v. The United Republic of Tanzania, ICSID Case No. ARB/10/12 View case details
  13 source documents

  • Standard Chartered Bank v. The United Republic of Tanzania, Award
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 1
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 10
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 11
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 12
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 13
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 2
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 3
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 4
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 6
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 7
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 8
  • Standard Chartered Bank v. The United Republic of Tanzania, Procedural Order No. 9
• Tamagot Bumi S.A. and Bumi Mauritania S.A. v. Islamic Republic of Mauritania, ICSID Case No. ARB/14/23 View case details
  1 source document

  • Tamagot Bumi S.A. and Bumi Mauritania S.A. v. Islamic Republic of Mauritania, Award
• Vicat S.A. v. Republic of Senegal, ICSID Case No. ARB/14/19 View case details
  2 source documents

  • Vicat S.A. v. Republic of Senegal, Procedural Order Taking Note of the Discontinuance of the Proceedings Pursuant to ICSID Arbitration Rule 44
  • Vicat S.A. v. Republic of Senegal, Registration of the Request for the Institution of Arbitration Proceedings at ICSID

Counsel (Claimant side) 4 cases in this role

• GPF GP S.à.r.l v. Republic of Poland, SCC Case No. V 2014/168 View case details
  1 source document

  • GPF GP S.à.r.l v. Republic of Poland, Award
• Methanex Corporation v. United States of America, UNCITRAL View case details
  49 source documents

  • Methanex Corporation v. United States of America, Application for Amicus Standing - Earth Justice
  • Methanex Corporation v. United States of America, Application for Amicus Standing - IISD
  • Methanex Corporation v. United States of America, Canada's Article 1128 Submission re NAFTA FTC Statement on Article 1105
  • Methanex Corporation v. United States of America, Canada's Fourth Submission per Article 1128
  • Methanex Corporation v. United States of America, Claimant's Notice of Challenge to Arbitrator Warren Christopher
  • Methanex Corporation v. United States of America, Disputing Parties' Agreement on Amicus Participation
  • Methanex Corporation v. United States of America, Final Award of the Tribunal on Jurisdiction and Merits
  • Methanex Corporation v. United States of America, Final Submission in Support of Application for Amicus Standing - IISD
  • Methanex Corporation v. United States of America, First Submission on Amicus Application - U.S.A
  • Methanex Corporation v. United States of America, Investor's First Submission on Amicus Application
  • Methanex Corporation v. United States of America, Investor's Reply
  • Methanex Corporation v. United States of America, Investor's Response to the Application for Amicus Standing
  • Methanex Corporation v. United States of America, Investor’s First Submission re NAFTA FTC Statement on Article 1105 and Appendix: Witness Statement of Guillermo Aguilar Alvarez
  • Methanex Corporation v. United States of America, Investor’s Post Hearing Submission
  • Methanex Corporation v. United States of America, Investor’s Reply to USA Post Hearing Submission
  • Methanex Corporation v. United States of America, Investor’s Second Submission re NAFTA FTC Statement on Article 1105
  • Methanex Corporation v. United States of America, Letter from Tribunal (on nature and timing of next phase)
  • Methanex Corporation v. United States of America, Methanex's Request for Interpretation of Award
  • Methanex Corporation v. United States of America, Methanex's Request for Reconsideration of First Partial Award
  • Methanex Corporation v. United States of America, Methanex's Request to Gather Additional Evidence
  • Methanex Corporation v. United States of America, Methanex's Request to Limit Amicus Curiae Submissions to Legal Issues Raised
  • Methanex Corporation v. United States of America, Methanex's Response to Supplemental Statement of Defense on Intent
  • Methanex Corporation v. United States of America, Mexico's Article 1128 Submission on Jurisdiction
  • Methanex Corporation v. United States of America, Mexico's Article 1128 Submission re FTC Statement on Article 1105
  • Methanex Corporation v. United States of America, Mexico's Fourth Submission per Article 1128
  • Methanex Corporation v. United States of America, New Amicus Petition from IISD and Bluewater Network
  • Methanex Corporation v. United States of America, Notice of Arbitration,
  • Methanex Corporation v. United States of America, Notice of Intent to Submit a Claim to Arbitration
  • Methanex Corporation v. United States of America, Order on Schedule for Next Phase
  • Methanex Corporation v. United States of America, Partial Award
  • Methanex Corporation v. United States of America, Procedural Order No. 1
  • Methanex Corporation v. United States of America, Reasons for the Tribunal's Decision on the Place of Arbitration
  • Methanex Corporation v. United States of America, Rejoinder of the U.S.A. to the Investor's Reply
  • Methanex Corporation v. United States of America, Response of Arbitrator Warren Christopher to Claimant's Notice of Challenge
  • Methanex Corporation v. United States of America, Statement of Claim
  • Methanex Corporation v. United States of America, Statement of Defence
  • Methanex Corporation v. United States of America, Supplemental Application for Amicus Standing - IISD
  • Methanex Corporation v. United States of America, Transcript of Jurisdictional Hearing
  • Methanex Corporation v. United States of America, Transcript of Procedural Hearing (Uncorrected)
  • Methanex Corporation v. United States of America, U.S. Amended Statement of Defense
  • Methanex Corporation v. United States of America, U.S. Letter on Nature and Timing of Next Phase
  • Methanex Corporation v. United States of America, U.S. Rejoinder Memorial on Jurisdiction and Admissibility of Amended Claim
  • Methanex Corporation v. United States of America, U.S. Reply to Investor’s Post Hearing Submission
  • Methanex Corporation v. United States of America, U.S. Response to Methanex's Request to Limit Amicus Curiae Submissions
  • Methanex Corporation v. United States of America, U.S. Supplemental Statement of Defense on Intent
  • Methanex Corporation v. United States of America, US First Submission re NAFTA FTA Statement on Article 1105
  • Methanex Corporation v. United States of America, US Post Hearing Submission
  • Methanex Corporation v. United States of America, US Request for a Hearing on the Fitness of the Re-Submitted Amended Statement of Claim
  • Methanex Corporation v. United States of America, US Second Submission re NAFTA FTC Statement on Article 1105
• Niko Resources (Bangladesh) Ltd. v. Bangladesh Petroleum Exploration & Production Company Limited ("Bapex") and Bangladesh Oil Gas and Mineral Corporation ("Petrobangla"), ICSID Case No. ARB/10/18 View case details
  3 source documents

  • italaw180892 - Niko Resources v. Petrobangla and Bapex, Decision on Liability, February 28, 2020
  • italaw180895 - Niko Resources v. Petrobangla and Bapex, Decision on Heads of Recoverable Loss, May 18, 2021
  • italaw180898 -Niko Resources v. Petrobangla and Bapex, Decision Pertaining to the Exclusivity of the Tribunal's Jurisdiction, July 19, 2026
• Niko Resources (Bangladesh) Ltd. v. Bangladesh Petroleum Exploration & Production Company Limited ("Bapex") and Bangladesh Oil Gas and Mineral Corporation ("Petrobangla"),  ICSID Case No. ARB/10/11 View case details
  4 source documents

  • Niko Resources v. Petrobangla and Bapex, Award
  • italaw180893 - Niko Resources v. Petrobangla and Bapex, Decision on Liability, February 28, 2020
  • italaw180894 -Niko Resources v. Petrobangla and Bapex, Decision on Heads of Recoverable Loss, May 18, 2021
  • italaw180897 -Niko Resources v. Petrobangla and Bapex, Decision Pertaining to the Exclusivity of the Tribunal's Jurisdiction, July 19, 2026