Mealey's (November 16, 2021, 12:41 PM EST) -- WASHINGTON, D.C. — The District of Columbia Circuit U.S. Court of Appeals panel hearing the Federal Republic of Nigeria’s challenge to a district court’s finding of jurisdiction over an action to enforce an arbitral award worth more than $10 billion against it invited the U.S. Department of Justice to file an amicus curiae brief on Nov. 15 on the issue of whether the United States as a party to the New York Convention impliedly waives its sovereign immunity from actions to enforce awards in the courts of other contracting states....