Edward J. Marshall

Of Counsel / Washington, D.C. Metro Office

With over two decades of patent law experience as a licensed patent attorney, Ed is a seasoned attorney with a deeply rooted passion for intellectual property law. He has been a trusted advisor to clients throughout his career, providing a wide range of patent-related services, demonstrating his multifaceted experience in both patent prosecution and litigation.

Ed’s primary focus revolves around the meticulous preparation and prosecution of patent applications. He excels in counseling clients on their patent portfolios, offering invaluable insight into the nuances of patent drafting techniques and strategies. Ed’s keen legal acumen allows him to secure enforceable and highly valuable patents for his diverse clientele.

Ed’s interest in patent law was sparked by his career as a U.S. Air Force electromechanical technician working with both intercontinental ballistic missile and intermediate range nuclear missile electronics, control, power generation, and security systems.

He began his career as a patent litigator and has an impressive track record of conducting and defending depositions of both fact and expert witnesses in patent cases. Ed’s proficiency extends to the preparation of pleadings, Markman briefs, and motions for summary judgment, as well as the skillful navigation of discovery processes and their intricacies. Clients facing patent, trade secret, and trademark disputes have sought his counsel, demonstrating their trust in his intellectual property law experience.

When he does have some free time, Ed enjoys singing in a praise team at his church, helping his neighbors, and spending time with and walking his seven rescue dogs.  


Highlights & Representative Results

  • Served as lead counsel in a patent case in the Eastern District of Texas to enforce the patent rights of a golf travel bag manufacturer.
  • Argued before the Court of Appeals for the Federal Circuit an appeal from a decision issued by the U.S. District Court for the Western District of Texas related to a patent ownership dispute.


Speaking Engagements

  • Introduction to the Different Types of Intellectual Property, Tyler Area Association of Legal Professionals, Tyler, TX, September 2022.


J.D., University of Texas, Austin, 2003

B.S., Electrical Engineering, University of Texas, Austin, 1994


Bar & Court Admissions


Eastern District of Texas

Western District of Texas

Court of Appeals for the Federal Circuit

U.S. Patent and Trademark Office