(October 23, 2023, 10:59 AM EDT) -- WASHINGTON, D.C. — The Russian Federation filed a response brief urging a District of Columbia federal judge to disregard a recent advisory opinion of the Dutch Supreme Court’s advocate general, writing that the opinion does not strengthen the claims of shareholders seeking to enforce arbitral awards against Russia worth more than $57 billion and asserting that its claims of fraud in the underlying arbitration remain pending....