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John E. DeWulf

John E. DeWulf

Phoenix, AZ

Areas of practice

Profile snapshot

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In practice

In practice

Bar admissions
3

Bar admissions

By appointment
In office

By appointment

John E. DeWulf at a glance

Verified credentials for John E. DeWulf sourced from public bar records.

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Areas of practice

Practice focus

John E. DeWulf represents clients in Phoenix, Arizona across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About John E. DeWulf

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

Credentials

Education

  • The University of Arizona

    — · 1981

  • The University of Arizona

    J.D. · 1981

Jurisdictions

Bar admissions

  • United States, State

    ACTIVE

  • Arizona, State Bar o

    ACTIVE

  • California, The Stat

    ACTIVE

Recognition

Awards & honors

  • Lawyer of the Year — Legal Malpractice Law - Defendants (Phoenix)

    2025

  • Lawyer of the Year — Litigation - Securities (Phoenix)

    2018

  • Best Lawyers in America — Bet-the-Company Litigation

    2026

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Legal Malpractice Law - Defendants

    2026

  • Best Lawyers in America — Litigation - Securities

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Trade Secrets Law

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — Alternative Dispute Resolution

    2026

  • Best Lawyers in America — Business Disputes

    2026

  • Best Lawyers in America — Civil Litigation

    2026

  • Best Lawyers in America — Complex Litigation

    2026

  • Best Lawyers in America — Contract Disputes

    2026

  • Best Lawyers in America — Fraud

    2026

  • Best Lawyers in America — Securities

    2026

  • Best Lawyers in America — Trade Secrets

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Martindale-Hubbell with AV Preeminent Peer Rated

    2026

  • Best Lawyers in America — Arizona’s Finest Lawyers (2011 to present)

    2026

  • Best Lawyers in America — AZ Business Magazine's Arizona Business Leader for Business and Commercial Litigation (2016)

    2026

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

    2026

  • Best Lawyers in America — Chambers U.S.A. Guide to America's Leading Lawyers (2014-2015)

    2026

  • Best Lawyers in America — AZ Business Magazine's Top Lawyers (Corporate Law, 2015)

    2026

  • Best Lawyers in America — Fellow, Litigation Counsel of America

    2026

  • Best Lawyers in America — Arizona's Top 50 Lawyers by Super Lawyers (Southwest) (2011 to present)

    2026

  • Best Lawyers in America — Chambers USA: Litigation: General Commercial (2014 - present)

    2026

  • Best Lawyers in America — Az Business Leaders, Az Big Media (2016 - present)

    2026

  • Best Lawyers in America — Arizona’s Top 100 Lawyers, Az Business magazine (2015 - present)

    2026

Locations

Office locations

Main office

2800 North Central Avenue, Suite 1900

Phoenix, Arizona 85004

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Frequently asked

Common questions

  • What areas of law does John E. DeWulf practice?

    John E. DeWulf focuses on Business, General, and Litigation.

  • Where is John E. DeWulf located?

    John E. DeWulf primarily serves clients in Phoenix, Arizona, with an office at 2800 North Central Avenue, Suite 1900.

  • Is John E. DeWulf a verified attorney?

    John E. DeWulf's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with John E. DeWulf?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 602-224-0999.