When lawyers assess **testamentary capacity** in dementia cases, they carefully evaluate whether the person making the will (the testator) has the mental ability to understand and approve the contents of their will at the time it is signed. This process is delicate because dementia affects memory and cognition, but a diagnosis alone does not automatically mean the person lacks capacity. The key question is whether the testator was mentally capable at the exact moment of executing the will.
To determine testamentary capacity, lawyers rely on a legal standard often derived from the *Banks v Goodfellow* test, which requires the testator to:
– Understand the nature of making a will and its effects.
– Know the extent and value of their assets.
– Recognize the natural beneficiaries of their estate (such as family members).
– Understand how the will distributes their assets.
– Be free from delusions or mental disorders that influence the will’s provisions.
In dementia cases, lawyers must be especially vigilant because cognitive decline can fluctuate, and the testator may have moments of lucidity where they meet these criteria, even if they are impaired at other times.
The assessment process typically involves several steps:
1. **Initial Interview and Observation:** The lawyer meets with the testator to discuss their wishes and observe their mental state. They look for signs of confusion, memory loss, or inability to comprehend basic information about their estate.
2. **Medical and Cognitive Evidence:** Lawyers often request recent medical records or a formal cognitive assessment from a qualified professional, such as a neurologist, psychiatrist, or psychologist. These experts may perform specific tests to evaluate memory, understanding, and reasoning related to estate planning.
3. **Testamentary Capacity Assessment:** Sometimes, an independent capacity assessment is commissioned. This involves a detailed evaluation by a professional trained in capacity law and dementia, who assesses whether the testator can understand and make decisions about their will. The assessment usually takes place in one session and results in a report that can be used in court if the will is challenged.
4. **Consideration of Undue Influence:** Lawyers also assess whether the testator is under any coercion or undue influence, which is common in dementia cases. Even if the testator has capacity, if someone else pressured or manipulated them, the will may be invalid.
5. **Documentation and Safeguards:** To protect against future disputes, lawyers document the testator’s capacity carefully. This can include detailed notes, video recordings of the signing, and obtaining a physician’s letter confirming mental clarity at the time of execution.
6. **Ethical Responsibility:** Lawyers have an ethical duty to refuse to execute a will if they believe the testator lacks capacity or is being exploited. Even if the testator passes a basic capacity test with some prompting, lawyers must consider whether the testator truly understands their decisions or if they are vulnerable.
In dementia cases, the assessment is not a simple checklist but a nuanced judgment that balances legal criteria with medical evidence and ethical considerations. The goal is to respect the testator’s autonomy while protecting their true wishes from being overridden by cognitive impairment or external pressures.
Because dementia can cause memory lapses or confusion, lawyers recognize that a testator might need reminders or explanations during the process. However, if the testator can ultimately demonstrate understanding and intent, the will can be valid. If there is doubt, lawyers often recommend delaying the will’s execution or obtaining a formal capacity assessment to avoid future legal challenges.
In practice, this means lawyers working with dementia patients must be patient, observant, and thorough. They often collaborate with healthcare professionals and may advise families on the best timing and approach to estate planning. This careful process helps ensure that the will reflects the genuine wishes of the testator, even in the face of cognitive decline.





