In re LM — Court affirmed involuntary mental health treatment order despite lack of explicit record of alternative treatment review

Case
In re LM, Amy Montgomery v. LM
Court
Michigan Court of Appeals
Date Decided
July 15, 2026
Docket No.
375906 (Washtenaw Probate Court LC No. 25-000336-MI)
Topics
Mental health law, involuntary treatment, appellate review, subject-matter jurisdiction
Source
Read the full opinion

Background

Respondent LM appealed a Washtenaw County probate court order for involuntary mental-health treatment sought by petitioner Amy Montgomery. Under Michigan’s Mental Health Code (MCL 330.1001 et seq.), LM challenged both the court’s subject-matter jurisdiction and its compliance with statutory requirements for reviewing alternative treatment options before ordering involuntary treatment.

The probate court had ordered a report assessing alternatives to hospitalization from Washtenaw Community Health, a licensed social worker, which detailed available options including assisted outpatient treatment. LM argued that the court failed to strictly comply with MCL 330.1469a by not explicitly stating on the record that it had reviewed this report before issuing the treatment order.

The Court’s Holding

The Court of Appeals unanimously affirmed, holding that the probate court retained subject-matter jurisdiction over the mental health proceeding regardless of procedural compliance issues. The court established that subject-matter jurisdiction—a court’s inherent authority to hear a class of cases—does not depend on strict adherence to Mental Health Code procedures. Thus, even if the alternative treatment report analysis was flawed, the probate court’s jurisdiction was not affected.

On the alternative treatment report issue, the court applied a plain-error standard because LM’s argument was not preserved at trial. The court found no clear error. It held that trial judges are presumed to know applicable law and therefore are presumed to have reviewed timely-received reports, even without explicit on-the-record statements to that effect. The probate court had received the alternative treatment report the day before the hearing, satisfying the 15-day requirement under MCL 330.1469a(1). Since the report was properly considered and detailed the available alternatives, LM failed to demonstrate that the court’s review would have changed the outcome.

Key Takeaways

  • Probate courts have exclusive jurisdiction over involuntary mental health treatment proceedings independent of procedural compliance with statutory reporting requirements.
  • Trial judges are presumed to review required alternative treatment reports even absent explicit on-the-record statements, so long as reports are timely received.
  • Strict documentary compliance with statutory review procedures is not required to preserve the court’s jurisdiction or the validity of the treatment order.
  • Appellants challenging involuntary treatment orders must preserve issues at trial and demonstrate that any procedural defect affected the outcome under the plain-error standard.

Why It Matters

This decision clarifies important limits on procedural challenges to involuntary mental health commitments. While Michigan law requires probate courts to consider alternatives before imposing involuntary treatment, courts need not create an explicit record of that consideration. The decision applies a presumption favoring judicial compliance with the law, reducing documentary burdens on probate courts while maintaining the substantive protections of alternative-treatment review.

For practitioners, the decision reinforces that jurisdictional and procedural challenges to mental health orders face high burdens on appeal. Respondents must establish not just procedural irregularities, but demonstrate clear error and prejudicial impact on the outcome—a difficult standard in cases where courts have properly ordered the alternative treatment report and considered available options.

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