With law department Swift & Company, Washington, 1959-1962. Associate Nexsen & Pruet, Columbia, South Carolina, 1962-1964. With patent department Hercules, Inc., Wilmington, Delaware, 1964-1965.
Partner Finnegan, Henderson, Farabow, Garrett & Dunner, Washington, since 1965. Lecturer to American Bar Association, American Patent Law Association, also others.
Member American Bar Association, American College Trial Lawyers, South Carolina Bar Association, American Judicature Society, Bar Association District of Columbia, American Patent Law Association, United States Trademark Association (chairman international advisory group), American Chemical Society, Clemson University Alumni Association, Giles S. Rich American Inns of Court, Tiger Brotherhood, Order of Coif, Phi Eta Sigma, Delta Theta Phi, Bethesda (Maryland) Club (board directors 1987), TPC Club at Avenel, Franklin Square Club, Clemson IPTAY.