Thomas J. Fisher practices in the firm's Litigation practice group, and is Chair of the ITC Litigation practice group. Mr. Fisher also co-chairs the IP Transactions practice group and is a Certified Licensing Professional. His primary focus is on litigating complex electrical, mechanical, and computer software patents in federal district courts, in § 337 proceedings before the International Trade Commission (ITC), and in appeals to the U.S. Court of Appeals for the Federal Circuit. Mr. Fisher has worked extensively with electrical and mechanical technologies such as software, encryption, GPS systems, micro-electro-mechanical systems (MEMS) technology, and medical devices.

A former electrical engineer, Mr. Fisher has more than 12 years of industry experience in electrical engineering, software, and information technology. As an engineer, he developed software solutions for business and government applications as well as modeling and simulation tools, analyst workstations, and real-time control systems including satellite ground systems and traffic control systems. He also owned and operated his own software consulting business, and has significant project management experience on large software development projects, as well as government contract procurement experience.

Mr. Fisher brings a unique combination of skills to his client representation. In addition to his litigation and technical background, he has practiced in the firm’s Electrical and Mechanical Patent Prosecution and Post Grant practice groups in the areas of computer software, internet-related technologies, e-commerce technologies, digital communications, and telecommunications. Additionally, Mr. Fisher drafts opinions and counsels both domestic and foreign clients on patent portfolio development, intellectual property issues related to various corporate transactions. licensing, litigation avoidance, risk management, and post-litigation tactics. He is also a Certified Licensing Professional.

Mr. Fisher is a founder of, and actively contributes to the firm’s legal blog devoted exclusively to Section 337 investigations before the ITC – the ITC 337 Law Blog. The site is the leading blog of its kind, and provides insights about the ITC’s daily activity and significant decisions. He has lectured on U.S. patent law for the NDS Intellectual Property program at the Swiss Federal Institute of Technology in Zurich, and frequently lectures worldwide on patent litigation and ITC litigation practice.


  • George Mason University School of Law (J.D.)
  • University of Pittsburgh (B.S.)
    • Electrical Engineering


  • Virginia
  • Registered to practice before the U.S. Patent and Trademark Office
  • Supreme Court of Virginia
  • Supreme Court of the United States
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of International Trade
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court of Colorado


Professional Affiliations

  • American Bar Association, Section of Intellectual Property Law
  • American Intellectual Property Law Association (AIPLA)
  • Federal Circuit Bar Association
  • IEEE Computer Society
  • Institute of Electrical and Electronics Engineers
  • ITC Trial Lawyers Association
  • Virginia State Bar, Intellectual Property Law Section