J Dan Smith

J. Dan Smith is a founding partner of Lee Sullivan Shea & Smith LLP. Mr. Smith has experience in all aspects of intellectual property law, with a particular emphasis in litigating, prosecuting, and counseling clients on patent, trademark, and trade secret issues.

Mr. Smith’s litigation experience includes both jury and bench trials in federal district courts, inter partes review proceedings before the Patent Trial and Appeal Board, and appeals before the Federal Circuit, as well as advocacy in the International Trade Commission.

Mr. Smith assists Fortune 500 companies, start-ups, and individuals in the procurement of patents and trademarks in the United States and abroad. Mr. Smith also renders opinions regarding the validity, enforceability, and noninfringement of patent rights.

Prior to embarking on his legal career, Mr. Smith had professional work experience at Raytheon Company.


    Practice Areas

    patent; trademark; trade secret; unfair competition; litigation; prosecution; counseling; due diligence


    business methods; computing; electrical; mechanical and materials; medical devices; and telecommunications


    J.D., University of Arizona Rogers College of Law

    • Law College Association Scholarship

    B.S., University of Arizona, Mechanical Engineering, Summa Cum Laude

    • University of Arizona Achievement Scholarship
    • Spirit of Discovery Scholarship

    Admissions and Memberships

    • Illinois State Bar
    • United States Patent & Trademark Office
    • U.S. Court of Appeals for the Federal Circuit
    • U.S. District Court for the Northern District of Illinois