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Minnesota Medical Malpractice Laws

Minnesota medical malpractice claims are subject to a shorter statute of limitations than general personal injury (4 years vs. 6 years). The state does not cap compensatory damages in medical malpractice cases, but does require an affidavit of expert review before filing suit. Minnesota follows the same comparative fault rules as other personal injury cases.

Last verified: 2025-02-24

Statute of Limitations

Medical malpractice claims must be filed within 4 years of the date of the negligent act or omission, regardless of when the injury was discovered.

Exceptions

Foreign ObjectsMinn. Stat. § 541.076

If a foreign object was left in the body, the limitation period may be extended under the discovery rule.

MinorsExtended until age 8 or within 4 years of the act, whichever is longerMinn. Stat. § 541.15

For children under 8, the statute is tolled. The claim must be filed by the child's 8th birthday or within 4 years of the act, whichever provides a longer period.

Fault & Liability Rules

Modified Comparative Fault (51% Bar)Minn. Stat. § 604.01

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

Compensatory Damages: No cap

Minnesota does not cap compensatory damages in medical malpractice cases.

Punitive Damages: No fixed statutory capMinn. Stat. § 549.20

Punitive damages are available with clear and convincing evidence of deliberate disregard. No fixed cap, but must be proportional.

Filing Requirements

Expert Affidavit RequirementMinn. Stat. § 145.682

The plaintiff's attorney must provide an affidavit identifying the expert who reviewed the case and believes there is a reasonable basis for the claim. This must accompany the complaint.

Key Minnesota Statutes

Expert Review RequirementMinn. Stat. § 145.682

Before or at the time of filing, the plaintiff must serve an affidavit of expert review stating the facts of the case were reviewed by a qualified expert who believes the defendant deviated from the standard of care.

Patients have the right to informed consent before treatment. Failure to obtain informed consent can be a basis for a malpractice claim.

Official Sources

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Minnesota.

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