- Associate Kenyon & Kenyon, New York City, 1958-1965, partner, 1966—2003, of counsel, since 2003. Past examiner United States Patent Office. Lecturer in field.
Trustee, secretary-treasurer The Foundation of the Open Eye. Advisory board The Joseph Campbell Foundation,The Laban-Bartenieff Institute Movement Analysis, Business Incubation Center Stevens Institute of Technology, 1990-1993. Member American Bar Association, American Arbitration Association (National Panel Arbitrators), American Intellectual Property Law Association (chairman, committee copyright matters, 1975-1977), New York Patent Trademark and Copyright Law Association (chairman committee copyrights and designs 1972-1973), Association Bar City of New York (past lecturer, secretary committee patents 1968-1971).