John H. Barron, III

JOHN H. BARRON, III is a member of Barron & Associates, P.C., Of Counsel to DeConcini McDonald Yetwin & Lacy, P.C., and is the managing partner of the Phoenix office.  He received his B.A. and J.D. degrees from the University of Arizona, and is admitted to the State Bar of Arizona (May, 1990) and the United States District Court for the District of Arizona, as well as the State Bar of Georgia. John has served as co-chair and secretary for the Mental Health, Elder Law and Special Needs Section of the State Bar of Arizona multiple times, as well as serving on the section board, served on the Mental Health Legislation sub-committee, and completed his tenure on the Arizona Supreme Court Probate Rules Task Force which drafted the new Arizona Rules of Probate Procedure, effective January 1, 2020.  He is an associate editor of the 4th, 5th, and 6th editions of the Arizona Probate Practice Manual.  He currently serves on the core committee drafting for proposal the first Rules of Mental Health Procedure.

Early in his probate practice, as a private practitioner in Tucson, John was a special deputy Pima County attorney handling mental health litigation for Pima, Pinal, Yuma, and La Paz counties.  He subsequently served as a deputy Maricopa County attorney representing the Maricopa County Medical Center Psychiatric Annex with respect to court-ordered behavioral health treatment and, later, representing the Maricopa County Public Fiduciary in the administration and litigation of estate, guardianship, conservatorship and mental health matters.

Returning to private practice in 1997, John established himself as a litigator of matters relating to estates, trusts, guardianships, conservatorships, exploitation and/or abuse of vulnerable or incapacitated adults, Adult Protective Services actions, eligibility for persons entitled to mental health, developmental disability, and ALTCS related assistance – practicing in the trial, appellate, and administrative courts.  In addition to the specific practice of law, he has also been a presenter and keynote speaker at seminars related to probate and mental health law such as the annual “Advanced Issues in Probate and Estate Planning” seminar, as well as in-service training programs related to probate, guardianship, and mental health law for medical personnel.  John was the instructor for the Arizona Supreme Court Fiduciary Training Program, Decision Marking module, and continues to participate in the drafting of guardianship, conservatorship, surrogacy, and mental health statutes through legislative committees and on behalf of stakeholders.

Practice Areas:

  • Matters involving Breach of Fiduciary Duty
  • Guardianship and Conservatorship
  • Trusts and Decedent’s Estate Litigation
  • Cases involving Elder Abuse;
  • Exploitation of Vulnerable Adults;
  • Mental Health Law and advocacy of the Seriously Mentally Ill (SMI);
  • Litigation for, and Advocacy of, the Developmentally Disabled


Education, Honors, and Awards (Selected)

Professional and Community Activities

Articles and Presentations

Reported Cases