John E. DeWulf - Coppersmith Brockelman PLC

John E. DeWulf

Listed in Best Lawyers since 2007

John has extensive experience in complex commercial litigation, including handling numerous trials, hearings and other matters before state and federal courts in the areas of contracts, business torts, trade secrets, real estate, securities, intellectual property, partnership and products. He has represented large multi-national clients, as well as regional and local businesses and individuals in a variety of business disputes.

In light of this diverse experience in litigating business issues, John has developed a practice in business counseling, aiding companies in overcoming challenges and leveraging opportunities to ultimately become more profitable and achieve business goals.

Representative Matters

  • Successfully defended numerous nationally prominent law firms on allegations of malpractice and other wrongdoing.
  • Obtained a multimillion dollar securities fraud jury verdict involving the purchase of LLC interests holding real estate in Arizona and New Mexico.

  • Achieved a significant jury verdict on behalf of an investor against an accountant and his firm for professional malpractice.

  • Represented a large international hotel company in the successful pre-litigation negotiation of a multi-million dollar real estate contract dispute over a multi-acre resort property in Paradise Valley.

  • Defended one of Arizona’s largest utilities in a class action lawsuit filed in the U.S. District Court in New Mexico, achieving a complete dismissal of all claims.

  • Obtained efficient and favorable settlement on behalf of a large group of doctor investors in a significant commercial building transaction, after performing an exhaustive factual investigation and explaining the group’s legal claims through a detailed demand letter.

  • Achieved favorable settlement on behalf of a racetrack owner against local government officials after achieving favorable rulings from state appellate court on issues involving violations of due process in attempted revocation of racetrack owner’s use permit.

  • Received multimillion dollar arbitration award from a three-member panel on behalf of an Arizona water company against two large real estate developers.

Awards & Recognitions

  • Chambers U.S.A. Guide to America’s Leading Lawyers (2014 - 2015)
  • Martindale-Hubbell with AV® Preeminent Peer Rated

  • Best Lawyers® in America for Commercial Litigation, Securities Litigation (2007 - present)

  • Best Lawyers® in America for Bet-the-Company Litigation (2009 – present)

  • Super Lawyers (Southwest) for Business Litigation (2007 – present)

  • Super Lawyers (Southwest) for  Securities Litigation, Professional Liability: Defense (2011 – present)

  • Arizona’s Top 50 Lawyers by Super Lawyers (Southwest) (2011 – present)

  • Arizona’s Finest Lawyers (2011 – present)

  • AZ Business Magazine’s Arizona Business Leader for Business and Commercial

  • Litigation (2016)

  • AZ Business Magazine’s Top Lawyers (Corporate Law, 2015)

  • Fellow, Litigation Counsel of America

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

Publications & Speeches

  • Presenter: Conducting an Effective Cross-Examination, Lorman Education Services
  • Presenter: Business Litigation in Arizona: From Prefiling Concerns Through Closing Arguments at Trial, Sterling Education Services, LLC

  • Presenter: Ethics of Changing Firms, Arizona State Bar Convention

  • Chair/Presenter: Trial and Transactional Ethics, Arizona State Bar

  • Chair/Presenter: Parting is Such Sweet Sorrow: Litigating Against Former Employees, Arizona State Bar

  • Chair: Environmental Litigation, Arizona State Bar

  • Chair: Innovative Trial Techniques, Arizona State Bar Convention

  • Chair: Proving and Calculating Lost Profits, Arizona State Bar

  • Administrative & Criminal Prosecution of Securities Fraud Cases, Maricopa County Bar Association


University of Nebraska–LincolnUniversity of Arizona
State Bar of ArizonaMaricopa County Bar AssociationState Bar of CaliforniaAmerican Bar Association: Section of Litigation, Committee on Business TortsYouth Partner FoundationCanyon State AcademySocial Venture Partners of ArizonaValley Leadership Class XState Bar of Arizona Course on Professionalism

Office Location

2800 North Central Avenue, Suite 1200
Phoenix, AZ 85004-1008
United States

Practice Areas

Bet-the-Company Litigation
Commercial Litigation (Alternative Dispute Resolution, Business Disputes, Civil Litigation, Complex Litigation, Contract Disputes, Fraud, Securities, Trade Secrets)
Litigation - Securities