William N. Warren
Top rated Business Litigation attorney in Fort Worth, Texas
Kelly Hart & Hallman LLP
Practice areas: Business Litigation, Civil Litigation
Licensed in Texas since: 1993
Education: Baylor University School of Law
Selected to Super Lawyers: 2009 - 2026 
Selected to Rising Stars: 2004 - 2009 Kelly Hart & Hallman LLP
201 Main StreetSuite 2500
Fort Worth, TX 76102 Phone: 817-878-3564 Email: William N. Warren Visit website
William N. Warren joined Kelly Hart in 1993. Mr. Warren is a partner in the firm's Litigation practice group. He attended Baylor University, where he obtained his Bachelor of Arts in 1989, and Baylor University Law School, graduating with his Juris Doctor, 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.
First Admitted: 1993, Texas
Professional Webpage: http://www.khh.com/attorney/William-N-Warren
Bar / Professional Activity
- Texas Bar Foundation, Fellow
- American Board of Trial Advocates, Associate
- Tarrant County Bar Association
- Texas Association of Defense Counsel, Board of Directors, 2006-2008
Verdicts / Settlements (Case Results)
- Lead trial counsel for genetic testing company in dispute with former member and officer seeking $80,000,000 in damages; obtained jury verdict that former member and officer take nothing, and an award of over $400,000 damages, plus attorneys’ fees, for client on counterclaims
- Lead trial counsel for commercial landlord in dispute with prior tenant seeking over $2,000,000 in damages and attorneys’ fees; obtained jury verdict that former tenant take-nothing, and an award of almost $100,000 in damages plus over $300,000 in attorneys’ fees for client on counterclaims
- 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
- 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 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 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
- Secured summary judgment for multiple defendants in state lawsuit in which plaintiff alleged numerous fraud-based causes of action related to a stock transaction, claiming multiple millions in damages. Also remained counsel through appeals to Court of Appeals and Texas Supreme Court, where decision was affirmed
Educational Background
- Baylor University School of Law, J.D., cum laude, 1993
- Baylor University, B.A. 1989
Scholarly Lectures / Writings
- Author/Speaker, Injunctions, 2007 and 2011 Texas Conference for Judicial Studies, Austin, Texas
Honors
- Recognized as a Texas Super Lawyer by Thomson Reuters, 2009-2026 Business Litigation, Texas Super Lawyer, Thomson Reuters
- Listed in The Best Lawyers in America®, 2009-2026, The Best Lawyers in America®, The Best Lawyers in America®
- Selected as a Top Attorney by Fort Worth Magazine, 2008-2011, 2013-2025, Top Attorney, Fort Worth Magazine
- Top Attorney by 360 West magazine, 2016-2025 Civil Law and Litigation Commercial Litigation Products Liability, Top Attorney, 360 West magazine
- Honored as one of Fort Worth's "40 Under 40" by the Fort Worth Business Press, 2004, 40 Under 40 Honoree, Fort Worth Business Press
- Recognized as a Texas Super Lawyers Rising Star by Thomson Reuters, 2004-2009, Texas Super Lawyer Rising Star, Thomson Reuters
Office location for William N. Warren
201 Main Street
Suite 2500
Fort Worth, TX 76102
Selections
- Super Lawyers: 2009 - 2026
- Rising Stars: 2004 - 2009