Mealey's ( November 11, 2026, 11:47 AM EST) -- WASHINGTON, D.C. — Investors and entities who won confirmation of six arbitral awards against the Kingdom of Spain filed a consolidated appellee brief with the District of Columbia Circuit U.S. Court of Appeals urging it to reject Spain’s arguments for the panel to disregard or overrule the court’s precedent finding jurisdiction over such petitions based on an agreement to arbitrate in the Energy Charter Treaty (ECT), writing that Spain raises no valid reason to overrule the precedent....