Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Other
Indirect expropriation
https://www.iareporter.com/arbitration-cases/optima-v-usa-1/ (requires subscription)
https://www.iareporter.com/arbitration-cases/optima-v-usa-2/ (requires subscription)
https://globalarbitrationreview.com/us-faces-icsid-claim-over-oligarch-asset-seizures (requires subscription)
https://jusmundi.com/en/document/other/en-optima-ventures-llc-and-optima-7171-llc-v-united-states-of-america-notice-of-intent-monday-8th-february-2021