Mealey's (April 21, 2021, 11:26 AM EDT) -- WASHINGTON, D.C. — Rolls-Royce PLC on April 20 urged the U.S. Supreme Court to stay an engine parts-maker’s bid to take witness depositions for use in an arbitration in England while the parts-maker’s appeal on whether it is entitled to such discovery under federal law is pending before the high court, writing that without a stay, the parts-maker will win “a partial victory” before the high court has a chance to rule....