The Most Common Reasons New Jersey Wills Are Contested

Gary Cornick • January 23, 2026

The Most Common Reasons New Jersey Wills Are Contested

No one wants to think of their family fighting after they’re gone. Yet will contests—legal challenges to the validity of a will—are a real risk for New Jersey families, especially if a document is unclear or circumstances raise suspicion. Understanding why wills are most often contested can help you avoid common pitfalls, protect your wishes, and prevent painful family disputes.


What Does It Mean to “Contest” a Will?

To contest a will is to ask a New Jersey court to set it aside (in whole or in part) due to concerns about how it was created or executed. Only “interested parties”—such as beneficiaries or legal heirs—can file a challenge, and strict deadlines apply. If a contest succeeds, the will (or parts of it) may be invalidated, and assets could pass according to a previous will or NJ intestacy law.


Lack of Testamentary Capacity

New Jersey law requires that a person making a will (the “testator”) be of sound mind and understand what they are doing. If someone is suffering from dementia, mental illness, or was under the influence of medication, their capacity may be called into question. Medical records, witness statements, and other evidence often play a key role in these cases.


Undue Influence

Undue influence occurs when someone pressures, manipulates, or coerces the testator to change their will for the influencer’s benefit. This often arises when a vulnerable person relies heavily on a single caregiver or family member. The court looks for signs of suspicious changes, secrecy, or a “confidential relationship” between the parties.


Fraud or Forgery

If a will is signed under false pretenses or a signature is forged, the document is not valid. Examples include someone tricking the testator about the contents of what they’re signing, or substituting pages after the will is signed. Evidence such as handwriting analysis or testimony from witnesses may be used to prove fraud or forgery.


Improper Execution

New Jersey has strict rules about how wills must be signed and witnessed. If these procedures aren’t followed—for example, if witnesses are missing or improperly qualified—the will can be invalidated, even if the decedent’s wishes were clear.


Ambiguity or Contradictory Provisions

Sometimes, the language of a will is so unclear or contradictory that family members disagree on its meaning. In these cases, the court may need to interpret the document, consider evidence of intent, or even set aside the will if its terms cannot be carried out.


How to Avoid a Will Contest

  • Work with an experienced attorney to draft and execute your will properly.
  • Update your will regularly—especially after major life events.
  • Talk openly with your family about your wishes to minimize surprises.
  • Store your will safely, and be sure witnesses are available if needed later.

Proper planning not only protects your wishes but can also prevent unnecessary stress and legal costs for your family.


Frequently Asked Questions About Will Contests in NJ

Q: Who can contest a will in New Jersey?
A: Only interested parties—such as beneficiaries or legal heirs—can file a challenge.


Q: How long do you have to contest a will?
A: In New Jersey, the deadline is typically four months from probate for residents, and six months for out-of-state parties.


Q: What happens if a will is found invalid?
A: The estate may be distributed according to a prior will or, if none exists, by NJ intestacy law.


Protect Your Wishes—Plan With Confidence

The best way to avoid a will contest is with careful planning and legal guidance. If you’re updating your will or worried about family conflict, The Law Offices of Gary Cornick can help ensure your wishes stand up in court and your legacy is protected.

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