Commercial Litigation Personal Injury Litigation - Defendants
William N. "Bill" Warren
Recognized in Best Lawyers since 2010 Awarded Practice Areas
Biography
William N. Warren joined Kelly Hart in 1993 and is a partner in the firm’s Litigation practice group. He attended Baylor University, where he earned his Bachelor of Arts in 1989, and Baylor University Law School, graduating with his Juris Doctor degree, cum laude, in 1993. Mr. Warren has considerable experience representing clients in state and federal courts in a broad range of complex civil litigation matters, including business torts, securities issues, construction claims, products liability, and fraud-related lawsuits.
Mr. Warren was Co-Chair of the firm’s Litigation Section for 15 years before stepping down in 2024.
Overview
- Baylor University, J.D., graduated 1993
- Baylor University, B.A., graduated 1989
- Texas, 1993
- Texas Bar Foundation - Fellow
- Tarrant County Bar Association - Member
- American Board of Trial Advocates - Associate
- Texas Association of Defense Counsel - Board of Directors, 2006-2008
- U.S. Court of Appeals, Fifth Circuit
- U.S. Court of Appeals, Tenth Circuit
- U.S. District Court, Northern District of Texas
- U.S. District Court, Western District of Texas
- U.S. District Court, Eastern District of Texas
- Texas, 1993
- Texas Bar Foundation - Fellow
- Tarrant County Bar Association - Member
- American Board of Trial Advocates - Associate
- Texas Association of Defense Counsel - Board of Directors, 2006-2008
- Baylor University, J.D., graduated 1993
- Baylor University, B.A., graduated 1989
- U.S. Court of Appeals, Fifth Circuit
- U.S. Court of Appeals, Tenth Circuit
- U.S. District Court, Northern District of Texas
- U.S. District Court, Western District of Texas
- U.S. District Court, Eastern District of Texas
Client Testimonials
Awards & Focus
Recognized in The Best Lawyers in America® 2026 for work in:
- Commercial Litigation
- Personal Injury Litigation - Defendants
Additional Areas of Practice:
- Litigation - Antitrust
- Litigation - Construction
- Personal Injury Litigation
- Personal Injury Litigation - Plaintiffs
Awards:
Best Lawyers in America®, 2009-2026
- Commercial Litigation
- Personal Injury Litigation | Defendants
Texas Super Lawyers, Thomson Reuters, 2009-2025
- Business Litigation
Top 100 Dallas/Fort Worth Super Lawyers, 2021, 2023
- Business Litigation
Top Attorney, Fort Worth Magazine, 2008-2011, 2013-2024
- Commercial Litigation
Top Attorney, 360 West magazine, 2017-2025
- Antitrust Law
- Commercial Litigation
- Civil Law | Litigation
- Products Liability Law
Texas Super Lawyers Rising Star, Thomson Reuters, 2004-2009
- Business Litigation
- 40 Under 40 honoree, Fort Worth Business Press, 2004
News & Media
Case History
Cases
- Breach of Fiduciary Duty
Lead trial counsel for plaintiffs in suit against defendant advisor and his affiliated company for breach of fiduciary duty, fraud, and professional negligence; obtained seven-figure jury verdict for actual and punitive damages, and final judgment imposing a constructive trust on company assets
- Breach of Contingency Fee
Lead trial counsel for attorney seeking to recover for breach of contingency fee agreement; obtained seven-figure settlement on eve of trial
- Lead Trial Counsel
Lead trial counsel for four defendants in lawsuit with damage claims ranging between $3,000,000 and $40,000,000; take-nothing judgment for two defendants obtained at trial and for remaining two defendants on appeal
- Lead Counsel
Lead counsel for family trust in suit brought against it in family court by former spouse seeking to obtain trust assets; obtained defense judgment barring such an interest
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