Mikalacki v. Mihalovich — Arizona appeals court affirms summary judgment against legal-malpractice plaintiff

Case
Gordana Mikalacki v. Jennifer Mihalovich, et al.
Court
Arizona Court of Appeals, Division One
Judge
Jennifer M. Perkins; Brian Y. Furuya; D. Andrew Gaona
Date Decided
November 6, 2026
Docket No.
1 CA-CV 26-0178
Topics
Legal malpractice; damages and causation; summary judgment; community debt
Source
Read the full opinion

Background

Gordana Mikalacki appealed the Maricopa County Superior Court’s grant of summary judgment to her former divorce attorney, Jennifer Mihalovich, and Stewart Law Group, as well as the denial of her motion for a new trial. The dispute arose from a March 9, 2021 divorce decree that incorrectly listed the outstanding balance of a personal loan from Mikalacki’s father as $100,000. The actual community debt was $200,000.

Mihalovich failed to timely move to alter or amend the decree. The superior court granted the untimely motion, but the court of appeals reversed in Matter of Mikalacki v. Rubezic, 1 CA-CV 21-0483-FC, 2022 WL 10219850, at *11 ¶ 64 (Ariz. App. Oct. 18, 2022). Mikalacki then sued for legal malpractice. The superior court concluded that the decree’s error did not change the amount actually owed to her father and that she had not established damages attributable to Mihalovich.

The Court’s Holding

The court affirmed. It reviewed summary judgment de novo and the denial of a new trial for abuse of discretion, citing Gambrell v. IDS Property Casualty Insurance Co., 238 Ariz. 165, 166 ¶ 4 (App. 2015). A legal-malpractice plaintiff must prove appreciable, nonspeculative harm and that the harm directly resulted from the attorney’s negligence. The court relied on Phillips v. Clancy, 152 Ariz. 415, 418 (App. 1986), and Commercial Union Insurance Co. v. Lewis & Roca, 183 Ariz. 250, 252–53 (App. 1995).

The court rejected Mikalacki’s theory that, absent the error, sale proceeds from the marital home would have paid the entire debt and she would not need to pursue her allegedly insolvent ex-husband. That theory depended on a future reimbursement demand, refusal, and potentially unsuccessful litigation. Those damages were speculative and would be tied to the ex-husband’s future conduct rather than Mihalovich’s past error. The court also held that the untimely filing did not increase Mikalacki’s liability because she was always jointly liable for the entire $200,000 community obligation.

Addressing claim preclusion, the court explained that a divorce decree’s allocation of community debts governs the spouses’ obligations to each other but does not bind their creditor, citing Fleming v. Tanner, 248 Ariz. 63, 70 ¶ 23 (App. 2019). The decree allocated responsibility equally despite its numerical error. Alternatively, if $100,000 was left unallocated, claim preclusion did not apply and the debts were presumed divided equally. Under either reading, each party owed 50% of the total debt, and Mikalacki remained free to seek contribution from her ex-husband.

Finally, the superior court’s observation that there was no competent evidence of the ex-husband’s inability to pay did not impose an additional prerequisite requiring Mikalacki to bring a contribution action and prove insolvency. The appellate court read the statement as describing the record and emphasizing the absence of causally related damages, not as reversible error. It affirmed and awarded Appellees reasonable costs upon compliance with ARCAP 21 and A.R.S. § 12-341.

Key Takeaways

  • Speculative future collection losses did not establish damages directly caused by the attorney’s untimely filing.
  • The decree’s incorrect balance did not change the underlying $200,000 debt or the parties’ joint and several liability to the creditor.
  • Whether treated as equally allocated with a numerical error or partly unallocated, the debt remained equally divided between the former spouses.
  • The superior court’s insolvency observation was not an added burden of proof or an independent basis for reversal.

Why It Matters

The decision illustrates the distinction between an attorney’s error and legally cognizable malpractice damages. Even where professional negligence is identified, a plaintiff must connect that negligence to actual, nonspeculative injury rather than a chain of possible future events.

The decision is marked “NOT FOR OFFICIAL PUBLICATION.” Under Arizona Rule of the Supreme Court 111(c), it is not precedential and may be cited only as authorized by rule.

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