William N. "Bill" Warren

Fort Worth, TX Directions

Recognized in Best Lawyers since 2010

Awarded Practice Areas

Commercial Litigation Personal Injury Litigation - Defendants

Visit Website

817-878-3564

Awarded Practice Areas

Commercial Litigation Personal Injury Litigation - Defendants

Works at

Kelly Hart & Hallman LLP

55 Best Lawyers awards

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.

Locations

Fort Worth, Texas

817-332-2500

201 Main Street, Suite 2500
Fort Worth, TX 76102

Education

Baylor University, J.D., graduated 1993
Baylor University, B.A., graduated 1989

Bar Admissions

Texas, 1993

Court Admissions

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

Affiliations

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

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

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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