When a loved one signs a will late in life, families in Palm Beach sometimes wonder whether the person truly understood what they were doing. Florida law sets a clear bar for testamentary capacity, but the path you take to contest or defend a will depends on which legal theory fits the facts. Below we compare the main options.
What Florida Requires for a Valid Will
Under Florida Statutes §732.502, a will must be signed by the testator (or at their direction) and witnessed by two people who sign in the testator’s presence. Separately, the testator must have testamentary capacity. Florida sets this bar relatively low: the person must generally understand the nature of their property, the natural objects of their bounty (typically family), and the practical effect of signing the will. A diagnosis of dementia or a bad day does not automatically void a will if the testator had a lucid interval at signing.
Option 1: A Lack-of-Capacity Claim
This argues the testator did not meet the §732.502 mental standard at the moment of signing. Evidence often includes medical records, treating-physician testimony, and accounts from the witnesses who watched the signing. Because Florida focuses on the time of execution, even a Palm Beach resident under a guardianship may have validly signed during a clear interval. This claim works best where contemporaneous medical proof aligns with the signing date.
Option 2: Undue Influence
Often a stronger alternative. Florida recognizes a presumption of undue influence when a person who is a substantial beneficiary occupied a confidential relationship with the testator and was active in procuring the will. Courts weigh factors such as presence at signing, securing witnesses, and knowing the contents in advance. Unlike a capacity claim, this theory targets the conduct of a third party rather than the testator’s mind, which can be easier to prove with witnesses and financial records.
Option 3: Defending the Will
If you are the personal representative or a named beneficiary, your goal is the opposite. The strongest defenses include a self-proving affidavit under §732.503 (which streamlines proof of execution), credible witness testimony, and evidence that the testator handled their own affairs near the signing date. A well-documented attorney-supervised signing in Palm Beach is hard to overturn.
Comparing the Routes
A capacity claim hinges on medical timing and is vulnerable to a single lucid interval. Undue influence shifts attention to the beneficiary’s behavior and can trigger a helpful presumption. Defending a will rewards documentation done at signing. Many contested Palm Beach estates involve both capacity and undue-influence arguments pleaded together, letting the court choose the theory the evidence best supports.
Deadlines Matter
Will contests in Florida are generally raised during formal administration, and beneficiaries served with notice face short windows to object. Waiting too long can waive the claim entirely, so the choice of theory should be made quickly.
Talk to a Florida Attorney
Capacity and undue-influence disputes turn on facts unique to each Palm Beach family. Before filing or defending, speak with a Florida probate attorney who can review the medical records, the signing circumstances, and the deadlines that apply to your situation.
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For more on our Florida practice, see our overview of probate in Palm Beach. Morgan Legal Group's affiliated New York office also handles .