John E. DeWulf

• Commercial Litigation

• State Bar, Legal Ethics & Legal Malpractice

John DeWulf is recognized for being one of Arizona’s leading complex commercial litigators, with over four decades of experience in complex commercial litigation, including handling numerous trials, hearings, and other matters before state and federal courts and administrative agencies in the areas of contracts, business torts, trade secrets, real estate, securities, intellectual property, professional malpractice, officer and director liability, and products. He has represented large multi-national clients, regional and local businesses, and individuals in a variety of business disputes. John has achieved multi-million-dollar jury verdicts and arbitration decisions. He is recognized by Chambers, Best Lawyers©, and Southwest Super Lawyers© for his litigation work.

• Chairman, State Bar of Arizona Trial Practice Section (1990 – 1991)

• American Bar Association Section on Litigation, Committee on Business Torts

• American Bar Association Business Law Section, Committee on Corporate Counsel

• Maricopa County Bar Association

• State Bar of California

• Member, Valley Leadership Class X

• Former Chairman, Youth Partners Foundation

• Former Advisory Board Member, Canyon State Academy

• Former Executive Committee Member and Board Member, Social Venture Partners

• Former Executive Committee Member and Board Member, McDowell Sonoran Conservancy

The Best Lawyers in America©: Commercial Litigation (2007 – present); Litigation – Securities (2011 – present); Bet-the-Company Litigation (2009 – present); Legal Malpractice Law – Defendants (2023 – present)

Best Lawyers® “Lawyer of the Year” Awards in Phoenix: Legal Malpractice Law – Defendants (2025); Litigation – Securities (2018)

Southwest Super Lawyers: Business Litigation (2007 – present); Securities Litigation (2011 – 2016); Professional Liability: Defense (2011 – 2016)

Southwest Super Lawyers: Top 50 Arizona Lawyers (2011 – present)

Distinguished Alumni Award, University of Nebraska-Lincoln (May 2024)

AzBusiness Magazine: Arizona’s Top 100 Lawyers (2015 – present)

AzBusiness Leaders: (2016 – 2017, 2019)

Arizona Foundation for Legal Services & Education: Top Pro Bono Attorneys in Arizona (2013, 2023)

Volunteer Lawyers Program: Home Protection Attorney of the Year (2023)

Martindale-Hubbell® AV Preeminent® Bar and Judiciary rated

Sustaining Lawyer, Arizona’s Finest Lawyers Foundation (2011 – present)

Senior Fellow, Litigation Counsel of America