Born in Cedar Rapids, Iowa, Jones received an Artium Baccalaureus degree from the University of Notre Dame in 1928 and a Bachelor of Laws from Notre Dame Law School in 1931. He was in private practice in Helena, Montana from 1931 to 1937, also serving as a special assistant state attorney general of Montana from 1935 to 1937. He was an attorney for the United States Department of Justice from 1937 to 1943, and in the United States Office of Patents and Appeals in 1943, becoming an executive assistant to the American Chairman of the Joint British-American Patent Interchange Commission from 1943 to 1946. He returned to private practice in Washington, D.C., from 1946 to 1962.[1]