Thomas B. Walsh
Partner
Co-Chair, Complex Commercial Litigation Practice
Tom’s skills as a seasoned trial lawyer have been widely recognized by a number of leading legal directories. Texas Super Lawyers has ranked Tom in the list of top lawyers in Texas since 2007. He has also been recognized by The Best Lawyers in America® for Commercial Litigation (2014–2025), Intellectual Property Litigation (2018–2025), and Oil and Gas Law (2025).
Tom has substantial experience successfully handling complex commercial litigation cases, class action cases, and patent litigation cases in jurisdictions throughout Texas and the United States.
Tom previously served as a law clerk for the Honorable Joe Kendall, U.S. District Judge for the Northern District of Texas. Additionally, he maintains an “AV” rating by Martindale-Hubbell. Tom also serves as the firm-wide co-chair for Winston's Complex Commercial Litigation Practice. Prior to joining Winston, he served as a principal in the Dallas office of another Am Law 100 firm and was one of seven elected members who served on the national Management Committee for his prior law firm.
- The Best Lawyers in America®—Recognized for Commercial Litigation (2014–2025), Intellectual Property Litigation (2018–2025), and Oil and Gas Law (2025)
- The Legal 500 US— Recognized for Patent Litigation (2018) and Dispute Resolution: General Commercial Disputes (2022–2024)
- Lawdragon’s “500 Leading Litigators in America”—Recognized for Commercial, Class Action and Patent Litigation (2022–2025)
- Lawdragon’s “500 Leading Energy Lawyers”—Recognized for Renewable Energy & Natural Resources (2024) and for Energy, Oil & Gas Litigation (2025)
- D Magazine—Named to “Best Lawyers in Dallas” list (2016–2020, 2022–2025)
- D Magazine—“Best Lawyer Under 40 in Dallas” (2002, 2004, and 2006)
- Texas Super Lawyers—Recognized (2007–2024)
- “BTI Client Service All-Star” (2020)
- AV®PreeminentTMLawyers—“Top Rated” for Intellectual Property Law (2013)
Outside his law practice, Tom has extensive experience in radio and TV broadcasting. The 2024 season will mark his 27th consecutive season in serving as the football radio play-by-play announcer for Jesuit College Preparatory School in Dallas, the largest private high school in Texas. Additionally, Tom has called play-by-play and color commentary on radio and TV broadcasts for numerous basketball games on the college level. For example, he has served in the analyst role for nationally televised collegiate basketball games featuring Duke, North Carolina, Kansas, Wisconsin, Louisville, Michigan, Michigan State, Texas, Texas A&M, UCLA, Syracuse, Villanova, Florida, Georgetown, and many other well-known universities. He is also a member of the Board of Trustees of Jesuit College Preparatory School of Dallas.
Credentials
Education
Tom received his J.D. from the University of Texas at Austin School of Law in 1992, and he received his B.A., magna cum laude, from Southern Methodist University in 1989.
Admissions
- Texas
Clerkships
- USDC - Northern District of TX for the Honorable Joe Kendall
- USDC - Northern District of TX for the Honorable Joe Kendall
Related Insights & News
Tom is a frequent lecturer to trial lawyers and corporate counsel on a variety of substantive law and trial science topics. He lectured on Markman hearings at the State Bar of Texas’ Intellectual Property Law Section’s 2nd Annual Advanced Patent Litigation Course in 2006. He made a return appearance in 2007 to present on Markman hearings, as well as “Injunctive Relief After eBay.” In 2009, Tom spoke on “Arbitration: How to Bust or Follow Through on an Arbitration” at the State Bar of Texas’ Advanced Civil Trial Course in San Antonio. In 2011, Tom spoke on the subject of “Strategies for Handling Large Numbers of Defendants” at the State Bar of Texas’ Intellectual Property Law Section’s 6th Annual Advanced Patent Litigation Course in San Antonio. He also spoke on the subject of opening statements at the State Bar of Texas’ Advanced Civil Trial Law Course in 1999.
In December 2017, Tom was featured in the Dallas Edition of Attorney at Law Magazine, where he discusses his commitment to preparation, passion for the law, and life outside of Winston. Read the full profile.
Tom also authored the United States chapter of “InDepth Feature: Litigation & Alternative Dispute Resolution 2023,” providing insights on key trends in commercial disputes in the United States, advice for companies implementing an effective dispute resolution strategy, and the issues and challenges expected for commercial disputes in the U.S. in the coming months. Read more.
March 6, 2025
September 6, 2024
Winston Attorneys Featured on the 2024 Lawdragon 500 Leading Energy Lawyers List
February 16, 2024
September 8, 2023