( December 8, 2025, 1:35 PM EST) -- WASHINGTON, D.C. — The oil company shareholders who won an arbitral award against the Russian Federation worth $57 billion on Dec. 5 filed a brief in the U.S. Supreme Court opposing Russia’s petition for a writ of certiorari, writing that the District of Columbia Circuit U.S. Court of Appeals’ decision vacating the denial of Russia’s motion to dismiss properly applied the Foreign Sovereign Immunities Act (FSIA) to the question of whether an arbitration agreement exists....