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Montana Medical Malpractice Laws

Montana medical malpractice claims are subject to a 2-year statute of limitations with a 5-year statute of repose. The state caps non-economic damages at $250,000. Before filing suit, claimants must submit their case to the Montana Medical Legal Panel for review. Montana follows the same comparative fault rules as general personal injury cases.

Last verified: 2026-02-25

Statute of Limitations

2 years (5-year statute of repose)Mont. Code Ann. § 27-2-205

Medical malpractice claims must be filed within 2 years of the date of injury or within 2 years of when the plaintiff discovered or should have discovered the injury, whichever is later. No action may be commenced more than 5 years from the date of the alleged negligent act.

Exceptions

Fraudulent ConcealmentMont. Code Ann. § 27-2-205

If the healthcare provider failed to disclose the medical error or its potential harm, the 5-year statute of repose does not apply. The 2-year clock starts from when the error would have been discovered with reasonable diligence.

Minors Under Age 4Tolled until child's 8th birthdayMont. Code Ann. § 27-2-205

If the child was younger than 4 years old when the malpractice occurred, the 2-year and 5-year limitation periods begin running on the child's 8th birthday.

Fault & Liability Rules

Modified Comparative Fault (51% Bar)Mont. Code Ann. § 27-1-702

The same comparative fault rules apply as in general personal injury. If the patient is 51% or more at fault (rare in medical malpractice), they recover nothing.

Damage Caps

Non-Economic Damages: $250,000Mont. Code Ann. § 25-9-411

Montana caps non-economic damages (pain and suffering, loss of enjoyment of life, etc.) in medical malpractice cases at $250,000 regardless of the severity of the injury. This is among the lowest caps in the country. The constitutionality of this cap has been questioned but not struck down by the Montana Supreme Court.

Economic Damages: No cap

There is no cap on economic damages such as medical bills, lost wages, and future medical expenses in medical malpractice cases.

Punitive Damages: $10 million or 3% of defendant's net worth, whichever is lessMont. Code Ann. § 27-1-220(3)

Punitive damages require clear and convincing evidence of actual fraud or actual malice. The same cap applies as in general personal injury cases.

Filing Requirements

Montana Medical Legal Panel ReviewMont. Code Ann. § 27-6-301 through 27-6-302

Before filing a lawsuit, claimants must submit their case to the Montana Medical Legal Panel for review. The application must include details of the alleged negligent conduct, dates, names of all treating providers, witness contacts, and authorization to release medical records. The panel's determination is not binding and is not admissible in court.

Key Montana Statutes

Montana Medical Legal Panel ActMont. Code Ann. § 27-6-101 et seq.

Established in 1977, the Montana Medical Legal Panel reviews medical malpractice claims before they proceed to court. Claimants must file an Application for Review of Claim. The panel's decision is advisory only and not admissible as evidence.

Healthcare providers must obtain informed consent before treatment. The provider must disclose the nature of the proposed treatment, risks, alternatives, and the likely outcome if no treatment is provided.

Official Sources

Not Legal Advice

This information is for general reference only and does not constitute legal advice. Laws change — verify current statutes at Montana State Legislature. For advice about your specific situation, consult a licensed attorney.

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