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William Stuart Thomas

Gausnell, O'Keefe & Thomas LLC • Saint Louis, MO
Commercial Real EstatePersonal InjuryReal Estate

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Contact

Email
Phone
(314) 451-5784
Address
1717 Park Avenue, Saint Louis, MO, 63104, US

Professional

About

William Stuart Thomas is a distinguished trial attorney at Gausnell, O'Keefe & Thomas LLC in Saint Louis, Missouri, specializing in personal injury and real estate law. With a robust background in complex litigation, he has successfully tried cases in various challenging venues, including the City of St. Louis, Madison and St. Clair Counties in Illinois, as well as Federal Court in East St. Louis and St. Louis. Notably, Mr. Thomas served as lead trial counsel in one of the longest civil jury trials in St. Louis County history, which spanned an impressive 100 trial days. In addition to his trial practice, Mr. Thomas is actively engaged in several professional organizations. He is a former president of the Lawyers Association of St. Louis, the local trial bar, and is a member of the Defense Research Institute (DRI). Within the DRI, he contributes to the Products Liability Committee and its specialized litigation groups focused on Building Products and Power Tools. He also participates in the DRI’s Construction and Professional Liability Committees, where he serves on the Design Professional Subcommittees. An accomplished author and speaker, Mr. Thomas has written extensively for DRI's monthly publication, For the Defense, covering a wide array of topics from products liability to construction law issues. His commitment to legal excellence and professional development makes him a respected figure in the legal community.

About Commercial Real Estate Law

Commercial real estate attorneys handle legal matters involving business properties including purchases, leases, development, and financing. Common matters include commercial purchases, lease negotiations, property development, zoning.

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Credentials

Education
1994 Saint Louis University School of Law JD 1991 Notre Dame Government, Public Service
Languages
English

Recognition & Involvement

Awards
2023 "Lawyer of the Year - Construction Law", Best Lawyers 2022 "Lawyer of the Year - Litigation - Construction", Best Lawyers 2019 Construction Law and Litigation, Best Lawyers in America (2019-2023) 2015 Top 50 Lawyers in St. Louis, Super Lawyers 2008 Super Lawyer - Construction Law, Missouri and Kansas Super Lawyers (2008, 2013 - 2021)
Publications
2014 Travelers Insurance Stamped, Sealed and Delivered The Do’s and Don’ts of Document Retention - More Paper or Paper-Less? 2011 For the Defense Design Professional Ethics 2010 DRI Defense Library Series, Construction Litigation Desk Reference: A State-By-State Compendium Missouri Construction Law 2009 Missouri Bar CLE Deskbook Series, Construction Law Construction Contracts: Risk Shifting Devices 2008 For the Defense Fair Housing Act Amendments: Celebrating 20th Anniversary in Obscurity
Associations
2011 - 2016 Harmonie Group Board of Directors 2008 - 2009 Lawyers Association of St. Louis President
Speaking
2019 Strafford Seminars Webinar Defeating Reptilian Tactics in Construction Litigation 2017 Professional Development Seminars Professional Liability of Engineers 2017 Litigation and Claims Management Seminar: “Combating the Reptile Theory" Defeating the Reptile During Depositions 2017 Hall & Company AE Resource Webinar Document Retention For Design Professionals 2016 Litigation and Claims Management Seminar Managing Risk Through Limitation of Liability Clauses
Updated: Mar 25, 2026