Sumário:Grounds to challenge an arbitration award in the U.S.A. -- Domestic, non-domestic or foreign awards in the United States -- The development of the doctrine of "Manifest Disregard" -- Manifest disregard as a ground to challenge domestic, non-domestic and foreign arbitral awards in the United States -- Counsel's "Manifest Disregard" of the law -- Similar grounds to vacate an award outside of the U.S.