Iura Novit Curia in Investment Treaty Arbitration

How much legal discretion do arbitrators truly have in investment treaty arbitration? Iura novit curia – literally "e;the judge knows the law"e; – is a well-established procedural principle across various legal systems, empowering and/or requiring adjudicators to ascertain and apply the law independently, even beyond the arguments presented by the parties. Yet, its specific role in investment trea...