Licensing Executives Society (U.S.A. and Canada), Inc. | 4,458 followers on LinkedIn. Leading the IP Industry. Professional Development | Networking | Growth | For over 50 years, LES has been the leading association for intellectual property, technology, and business development professionals. The group brings IP and licensing groups together to network, collaborate and discuss some of the most critical issues facing the industry today and tomorrow. Whether you are new to licensing or an experienced licensing executive, LES is here to help you achieve your professional and personal success.