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What Is the Statute of Limitations for Medical Malpractice in New Hampshire?

In New Hampshire, the statute of limitations for medical malpractice is generally 3 years under N.H. Rev. Stat. § 508:4, I.

3 YEARS
Medical Malpractice · New Hampshire
✓ Verified Checked Sep 2026

Medical malpractice Deadlines in New Hampshire

How long do you have to file a medical malpractice claim in New Hampshire?

In New Hampshire, the statute of limitations for medical malpractice is generally 3 years under N.H. Rev. Stat. § 508:4, I.

When does the clock start for medical malpractice in New Hampshire?

Three years from the act or omission, or from discovery of the injury and its causal relationship.

Can the New Hampshire deadline for medical malpractice be extended?

New Hampshire does not give medical malpractice a separate shorter period the way most states do. Pre-suit screening panel procedures apply under RSA 519-B.

Is the deadline different if the claim is against the government in New Hampshire?

Often, yes. Notice within 180 days for municipal claims under N.H. Rev. Stat. §§ 507-B:7, 541-B:14. RSA ch. 507-B governs claims against governmental units and requires notice within 180 days of the cause of action, along with damages caps. Claims against the State run through the Board of Claims under RSA ch. 541-B. Both sit on top of the three-year § 508:4…

How does New Hampshire compare to other states for medical malpractice?

New Hampshire's 3 years is in the middle of the range nationally. Across the 51 jurisdictions with a verified figure, the deadline for medical malpractice ranges from 1 year to 4 years, and 2 years is the most common. Compare all states →

What Does Medical Malpractice Cover?

Situations that typically fall under the medical malpractice deadline in New Hampshire:

01 Surgical errors and wrong-site surgery
02 Misdiagnosis or delayed diagnosis
03 Medication errors and dosage mistakes
04 Birth injuries to mother or child
05 Anesthesia errors
06 Hospital-acquired infections from negligence
07 Failure to monitor or treat properly
08 Premature discharge causing harm
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Other Filing Deadlines in New Hampshire

Statutes of limitations have exceptions, and courts apply them to specific facts. This page states the general rule. A licensed New Hampshire attorney can tell you the deadline that applies to your situation.
See every filing deadline in New Hampshire, or compare medical malpractice across all states.
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