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Christopher D. Lonn is a Member of Jennings Strouss whose legal practice is focused on complex commercial litigation, arbitration and administrative law, with a specific emphasis on securities and investment fraud litigation and arbitration, real estate disputes, business divorces, dental professional representation and employment law and litigation. For over 25 years, Chris has represented clients in a wide array of matters involving: business disputes, commercial torts, commercial sales contracts, buy-sell agreements, non-competition agreements, non-solicitation agreements, non-disclosure agreements, trade secret litigation, defamation and breaches of fiduciary duty. Chris is licensed to practice in Arizona and California.

Chris strives to take complex and confusing factual and legal issues and break them down into easily understandable concepts. Another important aspect of Chris’s representation is to comprehensively evaluate the dispute or business matter from all angles and then select the most cost-effective and practical way to tackle it.

In connection with his securities and investment fraud practice, Chris has experience representing broker-dealers and investors in proceedings before administrative agencies, including the Arizona Securities Division, the Arizona Corporation Commission, the Financial Industry Regulatory Authority (FINRA) and the Securities and Exchange Commission (SEC). Chris has also represented clients before the Arizona Department of Financial Institutions.


  • One East Washington Street, Suite 1900
    Phoenix, AZ 85004-2554


  • University of the Pacific, J.D., graduated 1993
  • Arizona State University, B.S., graduated 1988

Bar Admissions

  • California, 1999
  • Arizona, 1993


  • City of Scottsdale - Member, Board of Directors, Judicial Appointments Advisory Board (2004 - 2010)
  • Construction Lawyers Society of America - Member
  • Maricopa County Bar Association (MCBA) - Ex Officio, Board of Directors (2004 - 2005)
  • Maricopa County Bar Association (MCBA) - Member (1997 - present)
  • Maricopa County Superior Court - Judge Pro Tem (2004 - 2007)
  • Scottsdale Bar Association - Member (1997 - present)
  • Scottsdale Bar Association - President, Board of Directors (2004 - 2005)
  • Scottsdale Bar Association - Volunteer, Scottsdale Paiute Neighborhood Center (1997 - 2006)
  • State Bar of Arizona - Chair-Elect, Securities Regulation Law Section (2019 - 2020)
  • State Bar of Arizona - Chair, Securities Regulation Law Section (2020 - 2021)
  • State Bar of Arizona - Budget Officer, Securities Regulation Law Section (2018 - 2019)
  • State Bar of Arizona - Immediate Past Chair, Securities Regulation Law Section (2021 - 2022)
  • State Bar of Arizona - Member, Civil Practice and Procedure Committee (2003 - 2005)

Court Admissions

  • U.S. District Court, Central District of California (2002)
  • U.S. District Court, Northern District of California (1999)
  • U.S. Court of Appeals, Ninth Circuit (1995)
  • U.S. District Court, District of Arizona (1993)

Recognized in The Best Lawyers® in America 2023 for work in:

  • Commercial Litigation


  • AV Preeminent® Peer Review Rated™

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