 During their partnership, the father and son would argue at least 10 cases before the Texas Supreme Court and would argue for or against writs of certiorari seven times before the U.S. Supreme Court and be granted two such writs.Indeed, in December 1910, Maurice Locke was recommended as a justice of the U.S. Supreme Court in a letter to Attorney General George Wickersham by Haley Fiske of the New York-based Metropolitan Life Insurance Co. Fiske called Maurice Locke "the best lawyer I ever met," and said he was "quite sure he is the best life insurance lawyer in the United States.