J. Dan Smith

J. Dan Smith is a founding partner at Lee Sullivan Shea & Smith LLP, where he focuses his practice on all aspects of intellectual property law, with a particular emphasis on patent, trademark, and trade secret issues. His expertise spans a broad range of technology areas, including business methods, computing, electrical, mechanical and materials, medical devices, and telecommunications. His firm also handles matters involving computer software, AI, wireless power, smart home functionality, and audio streaming technologies. Prior to his legal career, Mr. Smith gained professional work experience at Raytheon Company.

Based on available case data, Mr. Smith has represented plaintiffs in patent litigation. Notably, he served as counsel for Sonos, Inc. in the patent infringement lawsuit Sonos, Inc. v. D&M Holdings Inc. et al.. This case involved disputes related to wireless music systems and Sonos's HEOS line of products. His firm represents a diverse clientele, from Fortune 500 companies to start-ups and individuals, in both patent procurement and litigation.

Mr. Smith possesses significant experience in various intellectual property litigation forums. His practice includes involvement in jury and bench trials in federal district courts, inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB), appeals before the Federal Circuit, and advocacy in the International Trade Commission (ITC). His firm also highlights extensive experience in post-grant proceedings before the PTAB, including IPRs.

Mr. Smith earned his J.D. from the University of Arizona Rogers College of Law and a B.S. in Mechanical Engineering, summa cum laude, from the University of Arizona. He is admitted to the Illinois State Bar and registered with the U.S. Patent & Trademark Office.