Peter J. Chassman Photo

Pete is a trial lawyer whose nearly 30 year career has focused his on Intellectual Property (IP) litigation, commercial litigation, and other intellectual property matters. On the litigation side, more specifically, Pete’s practice has been concentrated in litigating high tech patent infringement disputes, patent licensing disputes, trade secret disputes, and commercial contract disputes. Pete also has developed a specialty in litigating and trying cases in in the managed care space. Outside of litigation, Pete represents clients in IP and transactional matters, including IP licensing, IP aspects of reorganizations and joint ventures, technology transfers, IP audits, and offensive and defensive patent portfolio review, among other.


  • Emory University School of Law, 1993, J.D., (with distinction)
  • Georgia Institute of Technology (Georgia Tech), 1989, B.E.E., (with highest honor)

  • Texas
  • U.S. Patent and Trademark Office

  • U.S. District Court - Southern District of Texas
  • U.S. District Court - Eastern District of Texas
  • Texas Supreme Court
  • U.S. Supreme Court
  • Court of Federal Claims
  • Court of Appeals - Federal Circuit

  • Treasurer and Master of the Bench of the Honorable Nancy F. Atlas Intellectual Property Inn of Court

Awards & Recognition

  • Ranked in Chambers USA for Texas Intellectual Property, 2014-2022
  • Named “IP Star” by Managing Intellectual Property, 2013-2021
  • Listed in International Asset Management Patent Litigation 250 – The World’s Leading Patent Litigators/IAM Patent 1000, 2011-2021
  • Selected through peer review for inclusion in The Best Lawyers in America© for Litigation - Patent and Litigation - Intellectual Property, 2014-2023; named "Lawyer of the Year" for Litigation - Intellectual Property in 2023 
  • Selected for inclusion in the Texas Super Lawyers list for Intellectual Property, 2017-2021
  • Named a “Texas Litigation Star” by Benchmark Litigation: The Definitive Guide to America’s Leading Litigation Firms and Attorneys, 2015
  • Named a “Top Lawyer” in Intellectual Property by Houstonia magazine, 2018

Notable Quotes

  • 3 May 2017 "US Strikes Out In Emergency Messaging Patents Challenges" Law360
  • 26 April 2017 "PTAB Rejects DOJ Challenge to 2 Messaging Patents" Law360
  • 19 November 2014 "8 Tips on Managing Client Expectations" Law360
  • 6 September 2014 "East Texas Still Leads in Patent Lawsuits" The Houston Chronicle