Timothy A. Johnson

For more than 15 years Tim Johnson has taken a client-centric approach in helping innovative companies devise and execute sound intellectual property strategies in diverse and highly competitive industries.  Prior to joining Dilworth IP, Tim served as Deputy General Counsel of Edgewell Personal Care (formerly Energizer) where he oversaw all […]

Ben Lehberger has a broad range of experience in patent and trademark law, combined with a technical background in the mechanical arts and aerospace industry. He started his career as a helicopter design engineer at Sikorsky Aircraft Corporation and has been an active airplane pilot and aviation aficionado for over […]

Sun J. Kim is an experienced, highly qualified patent practitioner, who provides insightful, practical, and business-oriented service to his clients. Sun helps his clients devise patent strategies, grow their portfolios, and improve their intellectual property processes. Prior to joining Dilworth IP, Sun was a patent agent at a patent law […]

Jaksha C. Tomic has extensive experience in all phases of domestic and foreign patent preparation and prosecution as well as client counseling, including drafting over 500 patent applications and prosecuting thousands of others throughout his career. Jaksha focuses his practice on industrial and specialty chemicals and processes. In addition to […]

Matthew Siegal has over 30 years of experience helping his clients turn their ideas into assets. He is formerly a partner at Stroock & Stroock & Lavan in New York City, where he obtained patents and resolved patent infringement disputes for entrepreneurs, medium-size companies and multinational corporations. He successfully litigated […]

Kimberly Nguyen provides informed and timely counseling to in-house counsel and research scientists to help them protect their IP assets both in the U.S. and across the world. Prior to joining Dilworth IP, Kimberly was an in-house Patent Agent at a pharmaceutical corporation and a Patent Examiner at the United […]

Michael J. Musella is a registered patent attorney with over 25 years of experience advising clients and practicing before the United States Patent and Trademark Office. Michael counsels clients on intellectual property matters involving patents, trademarks, copyrights, freedom-to-operate opinions, right-to-use opinions, infringement and non-infringement opinions, and other related intellectual property […]

Joyce Fang Liu is an experienced patent practitioner with a strong technical background in the fields of chemistry, material sciences, and nanotechnology. Before receiving her J.D. from Boston University, Dr. Liu received her Ph.D. degree in chemistry from Northwestern University where she studied innovative solar cells and published several research […]