Atty. William S. "Bill" Thomas
William S. Thomas is one of the firm’s many experienced trial lawyers.
Profile Summary
About William S. "Bill" Thomas at a glance
William S. "Bill" Thomas is a construction attorney based in St. Louis, Missouri, practicing at Gausnell, O'Keefe & Thomas LLC. Admitted to practice in Missouri, Missouri and Illinois, Illinois. Educated at Saint Louis University (JD, 1994) and University of Notre Dame (—). Recognitions include Best Lawyers in America — Construction Law (2026), Best Lawyers in America — Litigation - Construction (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in St. Louis, MO and the surrounding metropolitan area.
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About
- William S. Thomas is one of the firm’s many experienced trial lawyers
- His practice is diverse, with an emphasis in complex litigation
- He has tried cases in a number of difficult venues, from the City of St. Louis, Missouri, to Madison and St. Clair Counties, in Illinois, and Federal Court in East St. Louis and St. Louis
- He was lead trial counsel in one of the longest civil jury trials in St. Louis County history, which lasted 100 trial days
- In addition to his trial practice, Bill is actively involved in a number of professional organizations
- He is a former president of the Lawyers Association of St. Louis, the local trial bar
- He is active in the Defense Research Institute, (DRI), serving on its Products Liability Committee, and that committee’s Building Products and Power Tool Specialized Litigation Groups, where he has spoken at DRI conferences
- He is active in the DRI’s Construction Committee, and Professional Liability Committee, where he serves on their Design Professional Subcommittees
- He has authored a number of articles for the DRI’s monthly publication, For the Defense
- He is an extensive author and speaker on a number of topics from products liability to construction law issues
Practice Areas Explained
William S. "Bill" Thomas's Areas of Practice
Each practice area below reflects the types of cases William S. "Bill" Thomas handles, with a brief overview of what that area of law covers.
William S. "Bill" Thomas is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Missouri →
Jurisdictional Context
Why local counsel matters in Missouri
Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.
Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.
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