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What to Know About No‑Contest (“In Terrorem”) Clauses in California Trusts & Wills

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Red boxing gloves hanging on a dark wall representing legal fights and disputes over no-contest clauses in California trusts and wills.

Home  >  Blog  >  What to Know About No‑Contest (“In Terrorem”) Clauses in California Trusts & Wills

November 20, 2025 | By Trust Law Partners
What to Know About No‑Contest (“In Terrorem”) Clauses in California Trusts & Wills

Disputes between beneficiaries and trustees are common in California, especially when money, property, and family history collide. Many trust and will documents contain provisions designed to reduce the risk of legal challenges by inserting what’s called a no-contest clause, also known as an in terrorem clause. These clauses attempt to stop beneficiaries from suing by threatening to disinherit them entirely if they contest the trust or will.

But the threat of disinheritance isn’t always enforceable. California law has specific rules about when no-contest clauses are valid, when they are void, and how beneficiaries and their attorneys can respond strategically.

We break down how these clauses work in real trust and estate litigation, and why understanding the limits of a no-contest clause can make or break a case.

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Table of Contents

  • What Is a No-Contest Clause?
  • When No-Contest Clauses Are Enforceable Under California Law
  • What Counts as Probable Cause?
  • When No-Contest Clauses Are Void or Unenforceable
  • How No-Contest Clauses Influence Litigation Strategy
  • Strategic Use by Trustees and Drafting Attorneys
  • Strategic Considerations for Beneficiaries
  • Example: A Cautionary Case

What Is a No-Contest Clause?

A no-contest clause is a provision in a will or trust that penalizes a beneficiary who challenges the document. The penalty is typically full disinheritance. In effect, the clause says: “If you file a lawsuit contesting this trust or will, you will lose whatever was left to you.”

These clauses are most commonly included when a parent leaves unequal shares to children, omits a child entirely, or favors a non-family member like a caregiver or new spouse. The intent is to discourage litigation by creating a powerful deterrent: challenge the document, and you could walk away with nothing.

But California doesn’t allow these clauses to be enforced under just any circumstances.

When No-Contest Clauses Are Enforceable Under California Law

California Probate Code Section 21311 governs the enforcement of no-contest clauses. The law draws a clear line: these clauses are only enforceable in a limited set of scenarios, and in many cases only if the contest is brought without probable cause.

In short, the clause can only be enforced if the action is one of the three types covered by law, as detailed below.  The three types of contests that can trigger a no-contest clause are:

  1. A direct contest such as an allegation of fraud, undue influence, lack of capacity, or forgery that, if successful, would invalidate the trust or will.  In these cases, the court may potentially disinherit the contesting party only if the contestant brings the contest without probable cause.
  2. A creditor’s claim.  However, note that such a claim may trigger a no-contest clause only if the will or trust specifically provides that a creditor’s claim will result in a contest.
  3. Filing a challenge to the transfer of property by the will or trust on the grounds that the decedent did not own the property at the time of the transfer.  Again, these claims may trigger a no-contest clause only if the will or trust specifically provides that a such a challenge will result in a contest.  This type of potential contest often arises where a will or trust attempts to transfer property that is jointly owned or owned as community property with the decedent’s spouse.

If the claim falls outside these three categories—or if the court finds that beneficiary had probable cause to believe their direct contest had merit—the no-contest clause will generally not be enforced. 

On the other hand, if the contest comes in the form of a creditor’s claim or a challenge to the transfer of property, and the no-contest clause expressly forbids such actions, then the no-contest clause may be triggered even if the contestant had probable cause to bring the claim.  In other words, the contestant may have to choose between accepting their gift under the will or trust (if any), or instead pursuing a creditor’s claim or other claim to ownership of property in the decedent’s estate or trust.

What Counts as Probable Cause?

Probable cause is a legal standard that means the person bringing the challenge had a reasonable belief, based on facts, that the trust or will is invalid.

In other words, even if the contest fails, the court won’t enforce the no-contest clause if the person had a legitimate basis for filing the claim. This prevents unfair punishments against beneficiaries who raise real concerns, especially in situations involving elder abuse, undue influence, or suspicious last-minute amendments.

For example, if a child is written out of a trust weeks before a parent’s death and there is evidence the parent had cognitive decline and was isolated by a caregiver, that child may have probable cause to bring a contest. Even if the court ultimately upholds the trust, the no-contest clause may not be enforced because the challenger had valid grounds to investigate.

When No-Contest Clauses Are Void or Unenforceable

No-contest clauses are not ironclad. Here are several common scenarios in which they are void or unenforceable in California:

  • The clause penalizes actions that aren’t direct contests. For example, simply requesting a trust accounting, filing a petition to remove a trustee, or raising concerns about mismanagement generally won’t trigger a valid no-contest clause.
  • The clause attempts to block a claim authorized under the Probate Code. Statutory claims, such as financial elder abuse petitions, often cannot be punished with a no-contest clause. California courts will not allow estate documents to override statutory rights.  On the other hand, if the primary purpose of the filed pleading is to contest the validity of the trust, it may still be found to be a contest even if it is characterized as an elder abuse action.
  • The contest is brought with probable cause. Even an unsuccessful direct contest may not trigger a penalty if the facts support a probable likelihood of wrongdoing.
  • The document language is overly broad or vague. Some older estate plans include sweeping no-contest language that is inconsistent with California law. These provisions may be struck down as void or unenforceable, or instead enforced narrowly within the boundaries of the current law.

How No-Contest Clauses Influence Litigation Strategy

Understanding how no-contest clauses work is essential in evaluating whether to challenge a trust or will. For many beneficiaries, the stakes are high. Filing a lawsuit could result in a total loss of inheritance if the clause is enforced. On the other hand, failure to act may allow fraud or elder abuse to go unchecked. Furthermore, triggering a no-contest clause may have little or no effect if the beneficiary has already been disinherited or receives only a relatively small gift.  In that case, a contestant may have little to lose.

This is where legal strategy becomes critical.

Strategic Use by Trustees and Drafting Attorneys

Trustees and estate planners often include no-contest clauses to deter conflict. When they are carefully drafted and legally valid, these provisions can reduce litigation by discouraging meritless challenges.

Attorneys representing trust settlors often tailor these clauses to specific risks. For example, they may include a no-contest clause when the estate plan significantly benefits a caregiver or new spouse, knowing that children may feel aggrieved and motivated to sue.

These clauses can also be used tactically: by leaving a significant inheritance to a likely challenger, even if the gift is smaller than the share received by other beneficiaries, the settlor may still create a scenario where the beneficiary has “something to lose.” This increases the deterrent effect of the clause.

However, these clauses must be carefully worded. If they attempt to go beyond the limits set by California law, courts will not enforce them or will enforce them narrowly to comply with restrictions of the law.

Strategic Considerations for Beneficiaries

If you are a beneficiary considering a challenge, it is critical to consult with litigation counsel before filing anything in court. An attorney can assess whether the action you’re contemplating would trigger the no-contest clause, whether your facts meet the threshold for probable cause, and whether the potential contest may still be worth the risk.

In many cases, an experienced litigator may help frame your case to avoid triggering the clause altogether. For instance, a petition for elder abuse under the Welfare and Institutions Code may not be considered a direct contest and may avoid the penalties of a no-contest clause if the pleadings are carefully drafted.

Example: A Cautionary Case

Consider a case where a daughter is left $100,000 under a trust, while her stepmother receives the rest of a $10 million estate. The trust includes a no-contest clause. The daughter suspects the stepmother manipulated her father in his final months and pressured him to change the trust.

If the daughter brings a contest claiming undue influence—but without any real evidence—she risks losing the $100,000. A rushed contest could cost her everything. A well-prepared one could lead to a settlement or court victory.

No-contest clauses can be powerful legal tools—but only within narrow boundaries. In California, they cannot be used to silence legitimate concerns based on probable cause, or to block statutory rights. For beneficiaries, the key question is not just whether a clause exists, but whether it applies to your case and whether your challenge can be made without triggering it.

Before taking action, consult with experienced trust litigation counsel. At Trust Law Partners, we routinely evaluate these clauses in high-stakes cases, helping clients avoid costly mistakes and maximize their outcomes.

If you believe a trust or will contains a no-contest clause and are unsure of your rights, call Trust Law Partners, LLP at 833-982-2079.

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