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Biography
Warren Platt’s practice is concentrated in civil litigation matters with principal emphasis on defense of major product liability suits for national and international manufacturers, complex commercial litigation, and defense of accounting malpractice litigation for national and regional public accounting firms.
Credentials
Bar Admissions
Arizona
California
Texas
Court Admissions
Supreme Court of Arizona
Supreme Court of California
Supreme Court of Texas
United States Court of Appeals, Ninth Circuit
United States Court of Appeals, Seventh Circuit
United States Court of Appeals, Tenth Circuit
United States District Court, All Districts of California
United States District Court, District of Arizona
United States District Court, District of Illinois
United States District Court, District of New York
United States Supreme Court
Education
University of Arizona (J.D.)
Order of the Coif
Managing Editor, Arizona Law Review
Michigan State University (B.A.)
Experience
Awards & Recognition
AV Preeminent® Peer Review Rating from Martindale-Hubbell®
The Best Lawyers in America®, Personal Injury Litigation – Defendants, Product Liability Litigation – Defendants (1983-2025)
Lawyer of the Year, Phoenix Product Liability Litigation – Defendants (2013)
Southwest Super Lawyers, Personal Injury Defense: Products (2007-2017)
Benchmark Litigation, Local Litigation Star – California (2017-2018) and Arizona (2025)
Chambers USA: America’s Leading Lawyers for Business®, Product Liability & Mass Torts (Nationwide); Product Liability: Automobile (Nationwide) (2006-2016)
Lawdragon Top 3000 Leading Lawyers in America (2010-2011)
Arizona’s Finest Lawyers
Who’s Who Legal, Product Liability Defense (2010-2015)
Previous Professional Experience
Speaker and panel participant before various professional groups, including:
American Bar Association
Arizona State Bar Association
Arizona Trial Lawyers Association
Maricopa County Bar Association
Virginia Association of Defense Counsel
Wisconsin Corporate Practice Institute
National Conference on Product Liability
National Product Liability Symposium
Practicing Law Institute
Southern Methodist University School of Law
Professional Memberships and Activities
American College of Trial Lawyers, Fellow
Superior Court of Arizona Civil Rules Study Committee
Superior Court of Arizona State Bar Civil Jury Instructions Committee
Maricopa County Legal Aid Society, Director (1977-1978)
Orange County Bar Association
Phoenix Association of Defense Counsel, President (1984-1985)
Representative Presentations and Publications
“Utility Vehicle Rollover Fundamentals — Why Utility Vehicles Won’t Ever Grow Up To Be Passenger Cars, No Matter How Many Lawsuits Are Filed,” Author, ABA National Institute on Emerging Issues In Motor Vehicle Product Liability Litigation (1996)
“Computers in the Courtroom,” Author, ABA National Institute on Emerging Issues In Motor Vehicle Product Liability Litigation (1997)
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