Bradley D. Liddle

Bradley D. Liddle


Bradley D. Liddle is a partner at Carter Arnett. Brad has extensive experience representing and advising clients in patent litigation matters. Brad’s significant litigation experience covers all phases of litigation. Brad also represents clients in Inter-Partes Review proceedings. He has also helped clients obtain patent licenses, perform portfolio mining, assess the value of their patents, and evaluate the strength of infringement allegations. Brad has also advised clients on the acquisition of patent portfolios. Brad’s practice also includes assisting litigation finance entities to identify opportunities for investment in intellectual property.

Brad has been involved with patents and technology for over 15 years. Prior to practicing with Carter Arnett, Brad ran a multi-million dollar patent licensing company which successfully licensed dozens of companies to its patent portfolio. Brad started his legal career at a patent litigation boutique firm in Houston, TX where he was involved in patent infringement cases spanning a wide range of technologies. He received a Bachelor of Science degree in Aerospace Engineering from Texas A&M University. He obtained his law degree from Texas A&M University School of Law.

Prior to attending law school, Brad worked as an engineer at the Boeing Company where he supported the International Space Station program. He worked extensively with the Japanese and European Space Agencies to further NASA’s cooperative venture.

Brad is licensed to practice law before the United States Patent and Trademark Office, federal district court for the Eastern District of Texas, and Texas state courts.

Honors and Distinctions

  • 2015 selection into IAM Strategy 300 – The World’s Leading IP Strategists
  • 2019 Panelist, “A New Day at the PTAB” Ninth Annual Administrative Law Conference – Washington D.C.

Professional Associations and Community Involvement:

  • State Bar of Texas

Practice Areas

  • Patent Litigation
  • Commercial Litigation
  • Trade Secrets Litigation
  • Trademark Opposition and Infringement
  • Inter-Partes Review Proceedings
  • Post Grant Reviews of Covered Business Method Patents


Texas A&M University School of Law, 2010
Juris Doctor

Dean’s List Recognition, Spring 2008 & 2010

Texas A&M University, 2003
Bachelor of Science, Aerospace Engineering
Outstanding Academic Achievement Award, May 201


  • Texas
  • U.S. Patent and Trademark Office
  • U.S. District Court for the Eastern District of Texas