Jonathan Barnes


TEL: 602.263.4437
FAX: 602.200.7813
Legal Assistant: Ginger Stahly

Jon is a clerkship-trained appellate lawyer with significant experience handling federal and state appeals in all types of civil litigation, including insurance bad faith, medical malpractice, governmental liability, premises liability, employment, family law, and torts. In addition to briefing and arguing appeals, Jon also assists trial counsel with crafting litigation strategy, preserving the record for appeal, and preparing and arguing complex motions.

  • Affirming City of Yuma’s motion to dismiss in Section 1983 case where plaintiff alleged his vehicle was improperly seized in civil asset forfeiture proceeding. Angulo-Murrieta v. City of Yuma, 2021 WL 1185909 (App. Mar. 30, 2021), as amended (Mar. 31, 2021).
  • Affirming summary judgment for commercial building tenant in premises liability case where plaintiff fell through a roof skylight. Dabush v. Seacret Direct LLC, 250 Ariz. 264, 478 P.3d 695 (2021).
  • Affirming summary judgment for HOA and property management company in defamation and abuse of process case. Goldman v. Sahl, 248 Ariz. 512, 462 P.3d 1017 (App. 2020), review denied (Aug. 25, 2020).
  • Sweet v. City of Mesa, 2019 WL 3532187, at *3 (D. Ariz. Aug. 2, 2019).
  • Country Mut. Ins. Co. v. Martinez, 2019 WL 1787313 (D. Ariz. Apr. 24, 2019).
  • Flynn v. Campbell, 243 Ariz. 76, 402 P.3d 434 (2017).
  • Affirming summary judgment for real estate broker in wrongful death case where Plaintiff claimed Defendant was vicariously liable for the agent’s negligence.  The Court of Appeals affirmed summary judgment for the broker because (1) Arizona’s real estate statutes do not create an employer-employee relationship between brokers and agents; (2) the same statutes do not impose upon the broker a non-delegable duty to supervise an agent’s driving; and (3) based on the undisputed facts, the agents was an independent contractor of the broker. Santorii v. MartinezRusso, LLC, 240 Ariz. 454, 381 P.3d 248 (App. 2016).
  • Obtained summary judgment. Esquivel v. City of Yuma, CV-15-00090-PHX-NVW, 2016 WL 1719954 (D. Ariz. Apr. 29, 2016).
  • Franklin v. Clemett, 240 Ariz. 587, 382 P.3d 802 (App. 2016).
  • Arizona Court of Appeals upheld the Trial Court’s dismissal of the case based on a failure to comply with the Arizona Notice of Claim Statute. Austin v. Peoria Unified Sch. Dist., 1 CA-CV 14-0220, 2015 WL 967960 (App. Mar. 5, 2015).
  • Jaynes v. McConnell, 238 Ariz. 211, 358 P.3d 632 (App. 2015).
  • Pinal County v. Cooper ex rel. County of Maricopa, 238 Ariz. 346, 360 P.3d 142 (App. 2015).
  • Won construction appeal holding that homeowners cannot assert claims directly against subcontractors for breach of warranty of workmanship and habitability. Yanni v. Tucker Plumbing, Inc., 312 P.3d 1130 (Ariz. App. 2013).
  • Hawk v. PC Vill. Ass’n, Inc., 233 Ariz. 94, 309 P.3d 918 (App. 2013).
  • Defended Governor’s and Senate’s removal of chairwoman. Ariz. Indep. Redistricting Comm’n v. Brewer, 275 P.3d 1267 (Ariz. 2012).

Professional Associations & Memberships

  • Young Lawyer Division of the Arizona State Bar, Appellate Practice Section liaison
  • Former Appellate Practice Section Liaison

Civic & Community Associations

  • Best Lawyers in America: Ones to Watch®, Appellate Practice, 2021

Presentations & Publications


Arizona State University, Sandra Day O’Connor College of Law., 2010
Northern Arizona University B.A., Philosophy, 2004

Bar Admissions

Arizona, 2010
California (inactive), 2011
U.S. District Court, District of Arizona
U.S. Court of Appeals, Ninth Circuit