law malpractice insurance

What is law malpractice insurance?

Law malpractice insurance—also called legal professional liability or attorney errors & omissions (E&O) insurance—protects lawyers and law firms from claims alleging negligence, missed deadlines, incorrect advice, or other professional mistakes that cause client financial loss. It helps cover defense costs, settlements, and judgments subject to policy limits and exclusions. This coverage is distinct from commercial liability or property insurance and often includes elements of disciplinary defense for complaints to bar authorities.

Who needs it

Solo practitioners, small and midsize law firms, in-house counsel, and specialty practices (e.g., estate planning, real estate, corporate) typically carry legal malpractice insurance. Firms that handle complex transactions, litigation, or fiduciary duties face higher exposures and are more likely to purchase robust limits. Organizations that also employ staff or host clients on-site should consider complementary coverages such as commercial general liability and event liability for broader protection.

What it typically covers

Typical coverages include defense costs, settlements, and awards for covered claims alleging negligent acts, errors, or omissions in the practice of law. Policies may extend to administrative mistakes, missed filing deadlines, breach of fiduciary duty allegations, and sometimes disciplinary proceedings. Some firms bundle professional liability with related products; for example, firms evaluating employment risks might review resources like Understanding Malpractice and Employment Practices Liability Insurance to compare exposures and risk management strategies.

Common exclusions or limitations

Standard exclusions can include intentional illegal acts, fraud, criminal conduct, bodily injury or property damage (typically covered by other policies), known claims at policy inception, and certain contractual liabilities. Policies often have retroactive dates, claim-made triggers, and sublimits for specific exposures such as disciplinary defense or breach of privacy. Understanding exclusions and defense obligations is a key underwriting concern.

Factors that influence cost

Underwriting factors include firm size, areas of practice, revenue, claims history, jurisdiction, staff training, and risk management protocols. Practices handling high-value transactions, securities, or complex litigation generally pay higher premiums. Discounts may be available for firms with formal risk-management programs, peer review processes, or claims prevention training.

Proof of insurance & compliance

Clients, courts, and opposing counsel sometimes request certificates of insurance or declarations pages. Certain jurisdictions or court appointments may require minimum limits or specific coverages. Keep policy documents current and inform carriers promptly about changes in operations, new partners, or emerging exposures to remain compliant and avoid coverage disputes. For exposures that overlap with other specialties, firms can review broader malpractice and workplace risk topics such as Malpractice, Workplace Injury, Sarbanes-Oxley, EPLI, Abercrombie v. EEOC.

How to get a quote

Gather key details—practice areas, number of attorneys, annual revenue, claims history, and desired limits—before requesting proposals. Compare coverages, retroactive dates, and defense provisions rather than price alone. If you need help evaluating options, talk to your agent who can coordinate applications and guide you to appropriate carriers and limits.

Frequently Asked Questions

Does malpractice insurance cover disciplinary board proceedings?

Some policies include limited coverage for disciplinary defense, but it varies by insurer and may be subject to sublimits or exclusions. Check your policy language for specifics.

What is a “claim-made” policy and why does it matter?

Most legal malpractice policies are claim-made, meaning coverage applies to claims reported during the policy period (or extended reporting period) and often depends on a retroactive date. Continuous coverage is important to avoid gaps.

Can prior acts be covered if I switch carriers?

Prior acts may be covered if the new policy’s retroactive date predates earlier work or if you purchase prior acts coverage. Confirm retroactive dates and any required endorsements with prospective carriers.

Still have questions? Talk to a local insurance expert.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



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