What malpractice risks do estate planning attorneys face from beneficiary claims?

Estate planning creates a distinctive malpractice exposure because the person most affected by an attorney's error, the intended beneficiary, is typically not the attorney's client. The client is the testator or grantor, and the error may not be discovered until after the client has died and can no longer correct the estate plan. This temporal gap between error and discovery makes estate planning one of the practice areas with the longest claim tail.

In many jurisdictions, courts have recognized that intended beneficiaries have standing to bring malpractice claims against the drafting attorney under various legal theories including third-party beneficiary, negligence, and the balance of factors test established in cases like Lucas v. Hamm and Biakanja v. Irving. The scope of third-party beneficiary standing varies significantly by state, with some states broadly permitting these claims and others restricting them to narrow circumstances.

Common estate planning errors that generate beneficiary claims include drafting mistakes that cause unintended disinheritance, failure to update estate plans after changes in law or family circumstances, improper execution that renders documents invalid, failure to fund revocable trusts, inadequate tax planning that increases estate tax liability, and conflicts of interest when representing multiple family members.

From an insurance perspective, these third-party beneficiary claims are covered under your malpractice policy because they arise from the rendering of professional legal services. However, the long tail of estate planning claims means that prior acts coverage and tail coverage are especially important for estate planning attorneys. A will drafted today may not be challenged for 20 or 30 years. Ensure your retroactive date extends back to the beginning of your practice and plan for adequate tail coverage at retirement.