The PCA is currently acting as registry in 6 inter-state arbitrations, 1 other inter-state proceeding, 103 arbitrations arising under bilateral or multilateral investment treaties or national investment laws, 94 cases arising under contracts involving a State or other public entity, and 3 other proceedings. A list of cases in which the PCA has been authorized to release public information is included below.

Investor-state arbitrations
Past Cases
Interstate arbitrations
Interstate conciliations
Other interstate proceedings
Investor-state arbitrations
Contract-based arbitrations
Contract-based mediations/conciliations
Other proceedings