Can a trust be contested on grounds of mental incapacity?

The question of whether a trust can be contested due to the grantor’s mental incapacity is a frequent concern for beneficiaries and potential heirs, and a common area of practice for trust attorneys like Ted Cook in San Diego. Establishing a successful contest based on mental incapacity isn’t simple; it requires demonstrating that the grantor lacked the mental capacity to understand the nature of the trust, the assets involved, and the effect of creating the trust at the time it was established. California law requires a showing of “lack of testamentary capacity,” which is a specific legal standard; it’s not merely showing some confusion or forgetfulness. Approximately 5-10% of trusts are challenged, with mental incapacity being a leading cause, though the success rate varies significantly depending on the evidence.

What does ‘testamentary capacity’ actually mean?

Testamentary capacity isn’t about being brilliant or even fully ‘sound’ in a general sense. It’s a lower threshold, requiring the grantor to understand they are creating a document that will distribute their property after death. Specifically, they must understand the nature and extent of their property, remember who their natural heirs are (family members), and understand that they are making a disposition of their property to those they choose. Evidence used to establish lack of capacity often includes medical records documenting conditions like dementia, Alzheimer’s, or severe cognitive impairment, but simply having a diagnosis isn’t enough. A physician’s assessment at or near the time the trust was created is particularly crucial; a report stating the grantor “appeared confused” is far less impactful than a detailed cognitive exam showing specific deficits.

How strong does the evidence of incapacity need to be?

The burden of proof lies with the person contesting the trust, meaning they must present clear and convincing evidence of incapacity. This is a higher standard than ‘preponderance of the evidence’ used in many civil cases. Simply claiming the grantor was “eccentric” or “forgetful” won’t suffice. Beneficiaries often seek depositions of doctors, nurses, and caregivers who interacted with the grantor around the time the trust was created. Statements from these individuals detailing observed behaviors and cognitive abilities can be very persuasive. Furthermore, any unusual circumstances surrounding the creation of the trust—such as a sudden change in the grantor’s estate plan, or a trust that significantly deviates from their previous intentions—can raise red flags and prompt further investigation.

Can a ‘lucid interval’ protect a trust from challenge?

Even if a grantor suffers from a condition that generally impairs their mental capacity, they may still have periods of clarity, known as ‘lucid intervals.’ If the trust was created during such an interval, it’s much less likely to be successfully challenged. Proving the existence of a lucid interval requires compelling evidence, such as medical records or witness testimony confirming the grantor’s cognitive abilities at the specific time the trust was signed. It’s not uncommon for trust attorneys to recommend having the grantor assessed by a physician immediately before signing the trust documents, providing a contemporaneous record of their mental state. This practice can significantly strengthen the trust’s defense against future challenges.

What role do undue influence and fraud play in incapacity contests?

Mental incapacity often overlaps with claims of undue influence or fraud. If a beneficiary or caregiver took advantage of the grantor’s diminished mental capacity to manipulate them into creating a trust that benefits them unfairly, it strengthens the case for invalidating the trust. Establishing undue influence requires showing that the wrongdoer exerted such control over the grantor’s mind that the trust reflects their wishes, not the grantor’s. Fraud, on the other hand, involves intentional misrepresentation or concealment of facts to induce the grantor to create the trust. Both undue influence and fraud require proof of intent, making them more difficult to establish than simple incapacity.

I once represented an elderly woman, Eleanor, whose son had convinced her to transfer all her assets into a trust that solely benefited him.

Eleanor was suffering from mild dementia, and while she wasn’t entirely incapacitated, her son had isolated her from her friends and family, controlling her access to information and subtly manipulating her decisions. He presented the trust as a simple way to avoid probate, but conveniently omitted to mention that it left everything to him, disinheriting her other children. When the other children discovered the trust, they were understandably furious. Gathering medical records, interviewing caregivers, and obtaining a neuropsychological evaluation confirmed that Eleanor’s cognitive impairment, combined with her son’s manipulative behavior, had resulted in a trust that didn’t reflect her true wishes.

The case was complex, but we successfully challenged the trust, and the court ordered a redistribution of Eleanor’s assets in accordance with her prior estate plan.

This outcome wasn’t guaranteed, and we faced significant opposition from the son, but a thorough investigation and compelling evidence were crucial to our success. We demonstrated a clear pattern of manipulation and took advantage of her diminished mental state. This situation underscored the importance of having a trusted advocate to protect vulnerable individuals from exploitation. Often in cases like these, having a qualified attorney proactively involved can prevent problems from arising in the first place.

What can be done to proactively prevent challenges based on mental incapacity?

Several steps can be taken to minimize the risk of a successful challenge. Having the grantor assessed by a physician before signing the trust documents is paramount, documenting their mental capacity at that specific time. Video recording the signing ceremony and obtaining a statement from the attorney regarding the grantor’s apparent understanding of the trust can also be helpful. Furthermore, ensuring the trust is drafted clearly and unambiguously, and that the grantor’s intentions are clearly expressed, can prevent misunderstandings and disputes. Regular review of the trust documents and updates to reflect any changes in the grantor’s circumstances are also essential.

What if a trust seems valid, but there are suspicions about the grantor’s mental state at the time of creation?

If concerns arise after the trust has been established, a ‘Section 17200 Petition’ can be filed with the court, seeking a determination of the grantor’s mental capacity at the time the trust was created. This process involves presenting evidence to the court, including medical records, witness testimony, and expert opinions, and allows the court to make a determination about the validity of the trust. While this process can be costly and time-consuming, it can provide clarity and prevent future disputes. A skilled trust attorney, like Ted Cook in San Diego, can guide beneficiaries through this process and protect their rights.


Who Is Ted Cook at Point Loma Estate Planning Law, APC.:

Point Loma Estate Planning Law, APC.

2305 Historic Decatur Rd Suite 100, San Diego CA. 92106

(619) 550-7437

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