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Can you contest a will?

Practice area: Probate · 3 min read · Reviewed 2026-09-23

Short answer

Yes, but only on specific legal grounds and only if you have standing — usually as an heir or a beneficiary who would receive more if the will were invalid. The main grounds are lack of mental capacity, undue influence, fraud, improper signing, or a later will. Deadlines are short, often a few months after probate begins.

Stacks of paper documents and file folders
Photo: Wesley Tingey / Unsplash

Key takeaways

  • Only people with standing — usually heirs or beneficiaries who would gain — can contest a will.
  • The main grounds are lack of capacity, undue influence, fraud, improper signing or a later will.
  • Being unhappy with your share is not a legal ground.
  • Deadlines are short, often only a few months after probate opens.
  • A no-contest clause can cost you your inheritance if you challenge and lose; enforcement varies by state.
Valid groundsLack of mental capacityUndue influence by someone closeFraud or forgeryNot signed or witnessed properlyA later valid will existsNot grounds on their ownYour share seems unfairA promise made out loudFamily expectationsAn adult child was left outDisliking the executor
Each ground has to be proven with evidence, not just suspicion.

Who can contest

Not everyone who is unhappy with a will can challenge it. You must have standing, meaning a financial interest that the will affects. That usually includes heirs at law who would inherit if the will were thrown out, and beneficiaries of an earlier will who would receive more under it. A friend who expected a gift but was never named in any will generally has no standing.

Grounds for a will contest

  • Lack of testamentary capacity — when signing, the person did not understand that they were making a will, the general nature and extent of their property, or who their family members were. A diagnosis of dementia is not automatically enough; capacity is judged at the moment of signing, and people can have lucid periods.
  • Undue influence — someone in a position of trust overpowered the person's free will, often a caregiver or relative who isolated them and was involved in making the will. Many states presume undue influence when a person in a confidential relationship helped procure a will that heavily favors them.
  • Fraud — the person was deceived about the document's contents or about facts that led to the gifts.
  • Improper execution — the will was not signed and witnessed as state law requires, typically two witnesses. Handwritten (holographic) wills are valid only in some states.
  • Forgery.
  • Revocation — a later will or a deliberate act, such as tearing up the original, revoked it.

Unfairness alone is not a ground. People are free to leave their property unequally or to disinherit adult children.

What do you have?Strong evidenceFile on timeMedical records, witnesses or signsof forgery — act before thedeadline.Suspicion onlyGet advice firstA lawyer can request records andweigh the risk of a no-contestclause.Just unhappyNo legal caseDisagreeing with the plan is not aground; the contest will likely fail.
Contests are expensive and slow. A short consultation usually pays for itself.

Deadlines

Will contests have short deadlines. Examples: 120 days after the will is admitted to probate in California; three months after notice in Florida; two years in Texas after the will is probated (with exceptions for fraud and incapacity). Some states tie the deadline to formal notice, so heirs should never ignore probate papers. Missing the deadline usually ends the right to contest.

No-contest clauses

Many wills include an in terrorem or no-contest clause, which disinherits any beneficiary who challenges the will and loses. Most states enforce these clauses but make an exception when the challenger had probable cause; a few states, such as Florida, do not enforce them at all. A beneficiary who receives something under the will should weigh this risk carefully.

Watch
How to Contest A Will in Texas (Step-by-Step!) — Fleischmann Legal Group
A Texas example. Grounds are similar nationwide, but deadlines differ by state.

How a contest unfolds

  1. The challenger files an objection or petition in the probate court.
  2. Both sides exchange evidence: medical records, the drafting lawyer's file, witness statements, bank records.
  3. Depositions of the witnesses, the lawyer who drafted the will, doctors and family members.
  4. Mediation — most will contests settle.
  5. Trial, usually before a judge, sometimes before a jury.

The person contesting generally bears the burden of proof, though presumptions of undue influence can shift it.

Costs and outcomes

Will contests are expensive, often tens of thousands of dollars, and can delay the estate for a year or more while property sits frozen. If the contest succeeds, the court typically admits an earlier will or, if there is none, distributes the estate under intestacy rules. Some lawyers take will contests on contingency. The executor's legal fees defending the will are usually paid from the estate, reducing everyone's share.

Trusts and other assets

A will contest does not reach assets that pass outside the will. Challenging a living trust, beneficiary designation or joint account requires a separate claim, often on the same grounds and with its own deadline.

Before you contest

Gather the will and any earlier versions, medical records near the signing date, and information about who arranged the lawyer and signing. Consider whether the evidence is strong enough to justify the cost and family conflict. A probate litigation lawyer can assess the case quickly — and should do so well before the deadline.

Contests brought in bad faith can also result in the challenger paying the estate's legal costs in some states.

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This page explains general rules in the United States and is not legal advice. Deadlines and definitions differ by state, and only a licensed attorney can tell you how the law applies to your own situation.