By Moshe B. Newman, Attorney · Published June 2026
The core difference is timing and choice. A power of attorney is a document you sign voluntarily while you still have mental capacity, naming someone you trust to act on your behalf. A guardianship is a court proceeding that someone else initiates after you have already become incapacitated. One is planning; the other is a last resort.
Under the Estates and Protected Individuals Code (MCL 700.5301 et seq.), a Michigan probate court may appoint a guardian for an adult who has been determined to be a “legally incapacitated individual” — someone who lacks sufficient understanding or capacity to make or communicate informed decisions about personal care. The guardian makes decisions about the person’s living arrangements, medical treatment, and daily welfare.
When the incapacitated person also has financial affairs that need management, the court may appoint a conservator under MCL 700.5401 et seq. A conservator manages assets, pays bills, and handles financial transactions. In practice, courts often appoint both a guardian and a conservator — sometimes the same individual serves in both roles.
A power of attorney is a private document, not a court proceeding. Michigan recognizes two main types relevant to incapacity planning:
A power of attorney is created by you, on your own terms, while you have capacity. Guardianship is initiated by someone else through a court petition after capacity is already lost. A power of attorney is private and takes effect without court involvement. Guardianship is a public court record, requires a hearing before a probate judge, involves filing fees, and results in ongoing court supervision. With a power of attorney, you choose your own agent. In guardianship, the judge decides who serves — and it may not be the person you would have chosen.
Guardianship generally becomes necessary in situations where no power of attorney was ever signed, where an existing power of attorney is too limited or has been revoked, where the agent named in a power of attorney is unable or unwilling to serve, or where there are concerns about exploitation or abuse that require court oversight. In those circumstances, an interested person — typically a family member — may petition the probate court to appoint a guardian, a conservator, or both.
Obtaining a guardianship in Michigan involves several steps. A petition is filed in the probate court of the county where the individual resides. The petitioner must provide a physician’s report documenting the person’s incapacity. The court notifies the individual and close family members, appoints a guardian ad litem to investigate and report on the person’s situation, and holds a hearing at which the judge considers testimony and evidence before deciding whether to appoint a guardian. The process typically takes several weeks to several months, involves filing fees, and may require legal representation for all parties.
The most effective way to avoid a guardianship proceeding is to put the right documents in place before incapacity occurs. A comprehensive incapacity plan typically includes a durable financial power of attorney, a patient advocate designation, and — for many families — a revocable living trust with a successor trustee who can manage trust assets without any court involvement.
When these documents are properly drafted and in place, there is usually no gap in authority that would require a family to go to court. Your chosen agents step in, decisions keep getting made, and the expense and delay of guardianship are avoided entirely.
The key, however, is that these documents must be signed while you have the legal capacity to do so. Once capacity is lost, it is too late to sign a power of attorney, and guardianship may be the only remaining option.
At The Legacy Law Firm, we prepare durable powers of attorney, patient advocate designations, and trust-centered estate plans designed to keep your family out of guardianship court. If guardianship has already become necessary for a loved one, we also guide families through the petition process in Michigan probate courts.
This article is general information about Michigan law, not legal advice, and does not create an attorney-client relationship. Laws change; information is current as of 2026. For advice on your specific situation, schedule a consultation.