Thomas R. Selig is an associate practicing in the Litigation Department of Lewis Rice. Thomas represents individuals and companies in a broad range of disputes, including complex commercial litigation. In his municipal practice, Thomas advises municipalities and agencies on issues ranging from constitutional law to zoning matters. He currently serves as the prosecuting attorney for the City of Maplewood. In addition to his litigation practice, Thomas has experience clearing, maintaining, and enforcing trademarks for domestic and global clients, on small and large intellectual property portfolios alike. He also advises clients on antitrust compliance, particularly as it relates to premerger notification requirements set forth in the Hart-Scott-Rodino Antitrust Improvements Act of 1976.

Prior to joining Lewis Rice, Thomas served for one year as a law clerk for The Honorable P.K. Holmes, III in the United States District Court for the Western District of Arkansas.

Practice Areas


  • Washington University in St. Louis School of Law (J.D., with honors, 2020)
    • Senior editor, Washington University Law Review
    • President, Technology and Privacy Society
    • Dean's Fellowship
  • University of Arkansas (B.A., B.S.B.A., summa cum laude, 2017)
    • Economics, Finance
    • Outstanding graduating senior in economics, Walton College of Business
    • Sturgis Fellowship, Arkansas Governor’s Distinguished Scholarship, Phi Beta Kappa
    • Scholarship chair, Sigma Alpha Epsilon Fraternity

Legal Background

  • Prosecuting Attorney, City of Maplewood (2022-Present)
  • Law Clerk, U.S. District Court for the Western District of Arkansas, The Honorable P.K. Holmes, III (2020-2021)
  • Judicial Extern, U.S. District Court for the Eastern District of Missouri, The Honorable Shirley Mensah (Spring 2020)
  • Summer Associate, Lewis Rice LLC (2018, 2019)
  • Student Attorney, Low Income Taxpayer Clinic (2019)


  • U.S. District Court
    • Eastern District of Missouri
    • Western District of Missouri
  • Missouri Bar
  • Illinois Bar