John H. Barron, III

John H. Barron, III John H. Barron, III is a member of Barron & Associates, P.C., Of Counsel to DeConcini McDonald Yetwin & Lacy, PC in the Phoenix office. John 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, and 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, and now sits on the section board and the Mental Health Legislation sub-committee. He is an associate editor of both the 4th and 5th editions (released June 2014) of the Arizona Probate Code Practice Manual.

John Barron was a special deputy Pima County attorney handling mental health litigation for Pima, Pinal, Yuma, and La Paz counties. Mr. Barron subsequently served as a deputy Maricopa County attorney representing the Maricopa County Medical Center Psychiatric Annex concerning civil commitments and, later, representing the Maricopa County Public Fiduciary in the administration and litigation of estate, guardianship, conservatorship, and mental health matters.

After his return to private practice in 1997, Mr. Barron has established himself as a litigator of matters relating to estates, trusts, guardianships, conservatorships, exploitation and/or abuse of vulnerable or incapacitated adults, and eligibility of continued services for persons entitled to mental health and developmental disability-related assistance. With his friend and colleague Jay M. Polk, Mr. Barron formed Barron & Polk, PLLC in 2001; a firm committed to excellence in probate related matters. In 2006, the firm became of counsel to DeConcini McDonald Yetwin & Lacy, PC. In 2011, Mr. Polk was appointed to the bench of the Superior Court of Arizona, Maricopa County, and thus the firm became Barron & Associates, PC.

In addition to the specific practice of law, Mr. Barron has also been a presenter and keynote speaker at seminars related to probate and mental health law, in-service training programs related to probate, guardianship, and mental health law for medical personnel, and was the instructor for the Arizona Supreme Court Fiduciary Training Program, Decision Marking module. Mr. Barron, on several occasions, has served on State Bar legislative committees and actively participates in the drafting of many guardianship, conservatorship, surrogacy, and mental health statutes.

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

Reported Cases

  • In re Guardianship of Snyder; 2015WL 3473001 (Memorandum Decision)(2015)
  • In re NAARDEN Trust; 195 Ariz 526, 990 P.2d 1085 (1999)


  • Arizona Probate Code Manual 5th Ed. (2014), Associate Editor
  • Fiduciary Certification Program Training Manual; Arizona Supreme Court and Administrative Office of the Courts.  John H. Barron, III – Contributing author, and instructor for the “Decision Making” module.
  • Arizona Probate Code Manual 4th Ed. (2000), Associate Editor
  • The Mental Health Bench Book Companion (2014), John H. Barron, III – Author.  (A companion resource to the Hearing Officer’s Bench Book for Mental Health Hearing and Other Mental Health Matters, Superior Court of Arizona, Maricopa County.)

Contact Information


phone: (602) 282-0500