Participant Type:
Individual
Based on the existing information, Langlois has been involved in 8 investor-State disputes.
Counsel (Claimant side) 8 cases in this role
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. Russian Federation, PCA Case No. 2015-07 View case details
5 source documents
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. The Russian Federation, Decision on Jurisdiction
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. The Russian Federation, PCA Press Release III
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. The Russian Federation, PCA Press Release V
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. The Russian Federation, PCA Press Release on Interim Award
- Aeroport Belbek LLC and Mr. Igor Valerievich Kolomoisky v. The Russian Federation, Press Release on Tribunal Decides to Proceed and Bifurcate
- Air Canada v. Bolivarian Republic of Venezuela, ICSID Case No. ARB(AF)/17/1 View case details
- Everest Estate LLC et al. v. Russian Federation, PCA Case No. 2015-36 View case details
4 source documents
- Everest Estate LLC et al. v. The Russian Federation, PCA Press Release on Award on the Merits
- Everest Estate LLC et al. v. The Russian Federation, PCA Press Release on Tribunal's Decision on Jurisdiction
- Everest Estate LLC et al. v. The Russian Federation, PCA Press Release on the Hearing on the Merits
- Everest Estate LLC et al. v. The Russian Federation, Press Release on the Commencement of Arbitration
- LSG Building Solutions GmbH and others v. Romania, ICSID Case No. ARB/18/19 View case details
5 source documents
- Decision on Jurisdiction, Liability and Principles of Reparation
- LSG Building Solutions GmbH and others v. Romania, Dissenting Opinon of Judge O. Thomas Johnson
- LSG Building Solutions GmbH and others v. Romania, Final Award
- LSG Building Solutions GmbH and others v. Romania, Quantum Dissenting Opinion of O. Thomas Johnson
- LSG and others v. Romania, Decision on Annulment, February 18, 2026
- PJSC CB PrivatBank and Finance Company Finilon LLC v. Russian Federation, PCA Case No. 2015-21 View case details
6 source documents
- PJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian FederatiPJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian Federation-PCA Press Release- Proceedings Continue Notwithstanding the Non-Participation of the Russian Federation
- PJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian Federation, Decision on Jurisdiction
- PJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian Federation, PCA Press Release III
- PJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian Federation, PCA Press Release IV
- PJSC CB PrivatBank and Finance Company Finilon LLC v. The Russian Federation, PCA Press Release V
- Partial Award
- PJSC Ukrnafta v. The Russian Federation, UNCITRAL, PCA Case No. 2015-34 View case details
4 source documents
- PJSC Ukrnafta v. The Russian Federation, PCA Press Release dated 2 May 2016
- PJSC Ukrnafta v. The Russian Federation, Press Release Dated 4 August 2016
- PJSC Ukrnafta v. The Russian Federation, Press Release on the Award on Jurisdiction
- PJSC Ukrnafta v. The Russian Federation, Press Release on the Final Awards
- RosInvestCo UK Ltd. v. The Russian Federation, SCC Case No. V079/2005 View case details
- Stabil LLC and Others v. Russian Federation, UNCITRAL, PCA Case no. 2015-35 View case details
4 source documents
- Stabil LLC and Others v. Russian Federation, Final Award
- Stabil LLC and Others v. Russian Federation, PCA Press Release on the Hearing on the Merits Held in Geneva
- Stabil LLC and Others v. Russian Federation, Press Release on the Final Awards
- Stabil LLC, Rubenor LLC, Rustel LLC, Novel-Estate LLC, PII Kirovograd-Nafta LLC, Crimea-Petrol LLC, Pirsan LLC, Trade-Trust LLC, Elefteria LLC, VKF Satek LLC, Stemv Group LLC v. The Russian Federation,

