Ferrill, Elizabeth


901 New York Avenue, NW
Washington, DC 20001-4413
Beth Ferrill focuses her practice on all aspects of design patents, including prosecution, counseling, and litigation. She also has extensive experience in utility patent litigation in the areas of software- and hardware-related technologies. She has appeared before U.S. district courts, the U.S. International Trade Commission (ITC), and the U.S. Court of Appeals for the Federal Circuit, as well as the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO).

Ms. Ferrill counsels clients who hold design patents as well as those accused of infringement. She has experience with consumer and industrial products, medical devices, transportation and construction vehicles, and graphical user interfaces and icons. She has prosecuted families of design patents before the USPTO, directed prosecution in foreign countries, and argued appeals before the PTAB. She has a special interest in strategic counseling related to acquiring for worldwide protection for designs. She also litigates design patent matters at the U.S. district court level that include trade dress claims.

Ms. Ferrill's litigation experience includes pre-litigation analysis, managing discovery in all aspects of fact and expert discovery, orchestrating complex claim construction analysis and briefing, and summary judgment briefing. She has experience in discovery dispute resolution, expert and fact witness preparation and depositions, and settlement negotiations.

Ms. Ferrill has particular interest in intellectual property issues related to 3D printing (additive manufacturing). She counsels clients on the unique concerns in the area and frequently speaks on this topic at industry events.

Before beginning her legal career, Ms. Ferrill graduated from the U.S. Air Force Academy and served five years on active duty as a communications officer. She was stationed at Bolling AFB, Washington, D.C., coordinating and overseeing testing of joint intelligence software systems, and at Thule Air Base, Greenland, where she served as the flight commander in charge of base communications.


  • J.D., University of North Carolina, Chapel Hill, 2006, with honors
  • M.S., Georgia Institute of Technology, 1999, Computer Science
  • B.S., United States Air Force Academy, 1998, Computer Science, Distinguished Graduate with Academic and Military Distinction

Bar Admissions

  • District of Columbia
  • Virginia

Court Admissions

  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, E.D. Virginia
  • U.S. Court of Appeals, Fourth Circuit
  • U.S. Court of Appeals, Veterans Claims
  • U.S. Supreme Court
  • U.S. Patent and Trademark Office

  • U.S. District Court, E.D. Virginia