A member of the firm’s Intellectual Property group and a registered patent attorney, Brendan Zee-Cheng represents clients of all sizes, from individuals to Fortune 500 companies, in management, protection and enforcement of intellectual property.

Brendan litigates disputes related to infringement and misappropriation of patents, trademarks, copyrights, and trade secrets in a wide range of technologies before trial and appellate courts throughout the United States and before the U.S. Patent and Trademark Office. In addition to handling all phases of litigation, he prepares noninfringement and invalidity opinions and patentability, due diligence, and patent landscape analyses. Brendan also assists clients in pre-litigation protection and enforcement of their intellectual property by performing infringement analyses, providing enforcement strategies, preparing cease and desist letters, and negotiating licensing agreements.

In addition, Brendan regularly represents clients before the U.S. Patent and Trademark Office in connection with inter partes review proceedings, trademark oppositions and trademark cancellations. 


  • Saint Louis University School of Law  (J.D., 2014)
    • Intellectual Property and Business Transactional Law
    • Saint Louis University Law Journal
  • Truman State University  (B.S., summa cum laude, 2010)
    • Exercise Science


  • Missouri, 2014
  • U.S. Patent and Trademark Office, 2016
  • U.S. District Court, Eastern District of Missouri, 2016

Professional Activities

  • Missouri Asian American Bar Association


Prior to attending law school, Brendan worked for a biotech startup and authored two published articles from his research at a local university. Prior to joining the firm, Brendan clerked for another St. Louis firm within its intellectual property litigation group.