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

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

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

Legal malpractice Deadlines in New Hampshire

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

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

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

Three years, with the codified discovery rule.

Can the New Hampshire deadline for legal malpractice be extended?

Because § 508:4 is drafted around "all personal actions" and carries its own discovery rule, it reaches attorneys without a separate statute.

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 legal malpractice?

New Hampshire's 3 years is in the middle of the range nationally. Across the 18 jurisdictions with a verified figure, the deadline for legal malpractice ranges from 1 year to 6 years, and 2 years is the most common. Compare all states →

What Does Legal Malpractice Cover?

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

01 Missed filing deadlines by an attorney
02 Conflicts of interest harming a client
03 Negligent advice causing financial loss
04 Failure to file required documents
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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 legal malpractice across all states.
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