Trusts are often created with the best intentions to preserve wealth, ensure family financial stability, or support a noble cause. But even the most carefully drafted trust isn’t immune from challenge. Beneficiaries or interested parties may question whether the person who created the trust (the “settlor”) truly understood their actions, whether someone influenced them improperly, or whether the document was executed incorrectly. Contesting a trust isn’t easy. It’s emotionally charged and legally complex. However, understanding the common challenges to trust validity helps you assess whether a fight is worth starting or whether a potential weakness is even real. What are some of the most common challenges to a trust? And, how can I protect my trust from potential challenges? Continue reading to find the answers to your questions and to learn more about trusts.
Capacity: when the settlor didn’t fully understand
One of the most frequent and foundational challenges to a trust’s validity is lack of capacity. To create a valid trust, a settlor generally must understand the nature of the trust, the extent of their property, and the relationships or people (the “beneficiaries”) who may benefit. If a settlor suffered cognitive decline, dementia, or illness when signing the trust, a challenger may argue that they never possessed the necessary mental clarity to create the trust. Courts examine medical records, expert testimony, and observations from family or caregivers. Because capacity claims often intersect with undue influence or coercion, proving them requires detailed and credible evidence. Lack of mental capacity remains one of the most powerful and often successful grounds for contesting.
Undue influence: when someone else pushed too hard
Another significant ground for challenging a trust is undue influence. This refers to situations where someone close to the settlor exerts excessive persuasion or manipulation. A perpetrator might do this through isolation, emotional pressure, or repeated urging to shape the trust for their benefit. Courts are generally suspicious of such claims, because proving influence isn’t just showing simple persuasion. Proving undue influence requires demonstrating that one person overstepped, leveraged a relationship, and altered the settlor’s free will. According to established legal guides, beneficiaries must show a “confidential relationship” plus evidence that the influencer used that closeness to override the settlor’s independent judgment.
Fraud, duress, or forgery: dishonesty at the foundation
Fraud and forgery are also powerful but difficult-to-prove bases for trust challenges.
- Fraud occurs when someone deceives the settlor, often by misrepresenting what the document says or claiming it’s something innocuous.
- Duress refers to overt pressure, threats, or coercion.
- Forgery, perhaps the boldest claim, alleges that signature pages or entire sections were falsified.
Trust litigation attorneys point out that successful claims of fraud or forgery hinge on strong proof. For fraud, courts often require “clear and convincing” evidence, not just suspicion or hearsay. And when someone claims a document was forged, an expert handwriting analysis or forensic investigation is usually necessary. Hiring these types of experts and the time and deliberation it takes to ensure the evidence is solid add to the expense of the litigation, but these steps are essential to prove a claim of forgery, fraud, or duress.
Formalities and execution: was the trust properly made?
A surprisingly common challenge is procedural. Did the settlor follow the legal formalities necessary to create a valid trust? Different states have different rules regarding the proper steps required to create a trust. Some states require witnesses, others require notarization, and still others demand very specific language be present inside the trust itself. If a trust lacks the proper execution steps, a court may deem it invalid, or at least strike portions. When a trust fails to meet its state’s execution requirements, a challenger may successfully void the trust or parts of it. Even something as seemingly small as missing witness signatures or not complying with statutory language can open the door to litigation.
Mistake or ambiguous terms: when the trust doesn’t reflect true intent
Sometimes, a trust is challenged not because of bad faith, but because of a drafting mistake or a misunderstanding. A settlor may have misunderstood a term, or the drafters may have used ambiguous language. Courts can be asked to interpret the document in light of other evidence to determine the settlor’s actual intent. Types of evidence used can include medical declarations, prior drafts, or correspondence between parties. If successful, a court may reform (i.e., rewrite) parts of the trust to reflect what the settlor truly meant, rather than what the attorney drafted. This is often less adversarial than a complete invalidation, but still requires strong evidence, including contemporaneous writings or testimony.
No-contest clauses: penalties and protections
Many trusts include “in-terrorem,” or no-contest, clauses. These are designed to dissuade beneficiaries from challenging the trust by threatening disinheritance or other financial penalties if they lose. But courts don’t always enforce them blindly. In many jurisdictions, courts will not enforce a no-contest clause if the beneficiary brings a challenge on legitimate legal grounds, such as fraud, incapacity, or undue influence. That said, no-contest clauses do carry real risk. They must be clearly drafted, and beneficiaries should weigh the costs and benefits carefully before filing a petition. If you suspect wrongdoing or coercion, it’s wise to consult a trust litigation attorney to evaluate both the strength of your case and the possible penalty.
Timing and standing: who can challenge and when
Another often-overlooked hurdle is standing: not everyone can contest a trust. You typically must have a direct financial interest in it. This is usually a named beneficiary or someone who would benefit under intestacy. And then there’s timing. Some states impose statutes of limitations on trust contests. That means that you must bring your claim within a certain period after a settlor’s death or when a trust is modified. Others may require notice to the trustee before filing. If you wait too long, you may lose your right to challenge a trust.
Practical challenges: evidence, cost, and emotional stakes
Beyond legal theory, challenging a trust can be difficult in practice. The evidentiary burden is high. Claims like undue influence or fraud are rarely straightforward. They demand discovery, depositions, expert witnesses, and often long legal battles. The process can get expensive. Litigation costs can climb quickly, especially when medical or financial experts are involved. A potential challenger must assess whether the likely benefit of success outweighs the financial and emotional costs of going to court. And then there’s the relational cost. Family dynamics are rarely tidy. Contesting a trust can strain relationships, reopen old wounds, and lead to bitter battles. Some beneficiaries try mediation first not only to save money, but to preserve family ties while addressing real concerns.
Final thoughts on challenges to trust validity
Challenging a trust is not purely a legal decision. It’s a deeply personal one that can affect family dynamics and personal finances. Whether your concerns stem from memory questions, sudden amendments, or troubling claims of manipulation, it’s wise to move forward with a clear-eyed strategy. Start by gathering credible evidence, consult a trusted attorney, and weigh both the likelihood of success and the broader cost to your wallet and personal relationships. If you do decide to challenge a trust, prepare not just to argue the law, but to honor the trust’s true purpose. And, like every area of your life, approach this potential legal battle in a way that aligns with your values and your vision for what justice looks like.
Shea Stevens is a dedicated family law attorney based in Overland Park, Kansas, focusing exclusively on family law matters such as divorce, legal separation, paternity, child custody, and support. She earned her Bachelor of Science in Psychology from Kansas State University and her Juris Doctor from the University of Tulsa College of Law. Licensed to practice in Kansas since 2004 and Missouri since 2005, Ms. Stevens is actively involved in the local legal community, holding memberships in numerous local organizations. Her professional accolades include being recognized as a Super Lawyer by Super Lawyers for the past 10 years, Top 100 attorney in Kansas and Missouri, Top 50 Women in the Law in Kansas and Missouri as well as being named among the “Best of the Bar” by the Kansas City Business Journal and Best of Johnson County 2024 by the Johnson County Post.
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