How to Contest a Will: A Step-by-Step Guide

Who Has Legal Standing to Contest a Will

Not everyone who feels wronged by a will can challenge it in court. You need what probate law calls "standing" — a direct financial interest in the estate's outcome.

People who qualify typically fall into three groups: beneficiaries named in the current will who received less than expected, beneficiaries named in a prior version of the will who would get more if the current one were thrown out, and legal heirs who would inherit under intestacy laws if no valid will existed.

Creditors owed money by the deceased may also have standing to challenge specific provisions. But friends, stepchildren who were never legally adopted, and distant relatives who don't qualify under intestacy laws generally cannot bring a formal objection.

The Four Legal Grounds for a Will Contest

Every successful challenge rests on at least one recognized legal ground. Courts won't invalidate a will just because the distribution feels unfair.

Lack of testamentary capacity. The testator must have understood what they were signing, known the extent of their property, recognized who their natural beneficiaries were, and been free from delusions that distorted their judgment. A dementia diagnosis alone doesn't invalidate a will — courts recognize "lucid intervals" when someone with cognitive decline can still execute a valid document.

Undue influence. This goes beyond normal family persuasion. You need to show that someone exerted pressure or psychological manipulation that overrode the testator's free will, effectively substituting their own wishes for the testator's. Common indicators include isolation from other family members, control over the testator's finances, and involvement in selecting the attorney who drafted the will.

Fraud or forgery. This covers situations where someone deceived the testator into signing under false pretenses, or where the document itself was physically tampered with — forged signatures, altered pages, or fabricated wills.

Improper execution. Most jurisdictions require a will to be in writing, signed by the testator, and witnessed by at least two competent individuals who signed in the testator's presence.

The Process From Start to Finish

Contesting a will follows a structured path through the probate system.

Investigation (weeks 1-4). Confirm your standing, obtain a copy of the will, and assess which legal ground applies. Request medical records, financial statements, and prior versions of estate planning documents.

Filing a protective notice. In the UK, a caveat lasts six months and blocks the grant of probate. In the US, you file a formal objection or petition in probate court. Timing is critical — most jurisdictions impose strict filing deadlines measured from when probate is granted or when you receive notice.

Retaining counsel. Estate litigation is specialized. Look for attorneys who handle contentious probate specifically, not general practice lawyers who occasionally deal with estates.

Discovery and evidence gathering. Both sides exchange documents, take depositions, and retain expert witnesses. Medical records proving cognitive decline, financial records showing unusual transactions, and handwriting analysis for suspected forgery all come into play during this phase.

Mediation. Over 80% of properly prepared claims settle through mediation before reaching trial. A neutral mediator helps both sides explore compromise — splitting the estate differently, for example — without the cost and publicity of a courtroom battle.

Trial. If mediation fails, the case goes before a probate judge. Trials can take 12 to 36 months to resolve, and both sides present expert testimony, cross-examine witnesses, and argue their positions.

What Happens If You Win

If the court invalidates the will, one of two things happens. If a prior valid will exists, the estate gets distributed under that earlier document. If no prior will exists, everything passes under your state's intestacy laws — typically to the surviving spouse and children in proportions set by statute.

The court can also invalidate only specific provisions rather than the entire document, preserving the parts that weren't tainted by incapacity, fraud, or undue influence.

Practical Steps to Take Right Now

If you suspect a will doesn't reflect what your loved one truly wanted, start by securing your own copies of key documents: the death certificate, any prior wills you can locate, and medical records from the testator's final years.

Don't confront the executor or other beneficiaries before understanding your legal position. And don't wait — filing deadlines are strict and vary significantly by jurisdiction.

Our Contesting a Will toolkit walks you through each step with checklists, communication scripts, and an evidence tracker designed to keep your case organized from first suspicion through resolution.