Contesting a will is an emotionally charged legal process, often arising during an already difficult time for families. Whether you’re feeling left out of a loved one’s estate plan or suspect foul play, it’s important to understand your odds before taking legal action. At Katzner Law Group, we regularly assist individuals navigating complex estate disputes, including contested wills.

The success rate of contesting a will is generally low, with only a small percentage of challenges resulting in the will being overturned. While exact figures vary, estimates suggest that the success rate is often below 10%, and sometimes even lower, with a large number of will contests being settled out of court or resulting in partial alterations.

In this guide, we’ll explore what impacts your chances of success, what legal grounds can help your case, and the types of evidence that are often required to contest a will effectively.

How Often Are Wills Successfully Contested?

While will contests are not uncommon, winning a will contest is statistically difficult. Courts generally prefer to honor the intentions of the deceased, especially when the will appears to be valid on its face and was properly executed.

Key Statistics:

• The success rate is often under 10%.

• Many contested wills are settled privately between beneficiaries or potential heirs.

• The New York Surrogate’s Court, which handles probate and estate matters, operates under strict procedural rules that prioritize the testator’s documented wishes.

That said, strong legal arguments backed by compelling evidence can increase your odds.

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Legal Grounds That Improve Your Chances of Success

To contest a will successfully, you must do more than just express dissatisfaction with its contents. You need valid legal grounds recognized by the court. In New York, these include:

1. Lack of Testamentary Capacity

The testator (person making the will) must have been of sound mind at the time the will was created. You must prove they:

• Didn’t understand the nature of creating a will

• Didn’t recognize the extent of their assets

• Didn’t know the identity of their heirs or beneficiaries

Medical records, doctor testimonies, and witness accounts may be used to support this claim.

2. Undue Influence

This involves showing that someone manipulated or coerced the testator into changing their will. Courts will examine:

• The nature of the relationship between the testator and the alleged influencer

• Whether the influencer isolated the testator or participated in drafting the will

3. Fraud or Forgery

If the will was created under false pretenses or forged, you may have grounds to contest it. Handwriting experts or document analysts may be called to verify authenticity.

4. Improper Execution

In New York, a will must:

• Be signed by the testator

• Be witnessed by two individuals who signed in the presence of the testator

If any of these steps were not followed, the will could be deemed invalid.

For reference, you can review execution requirements under New York Consolidated Laws, Estates, Powers and Trusts Law § 3-2.1.

Evidence That Can Strengthen a Will Contest Case

Because the burden of proof lies on the person contesting the will, collecting strong and credible evidence is critical.

Commonly Used Evidence:

1. Medical Records
   • To prove lack of capacity, you may need physician notes, psychological evaluations, or medication records.

2. Witness Testimonies
   • Friends, family, or caretakers who observed the testator’s mental state or interactions with alleged influencers can provide valuable testimony.

3. Handwriting Analysis
   • If forgery is suspected, a handwriting expert can compare known samples to the will in question.

4. Financial or Communication Records
   • Emails, texts, or transaction records showing suspicious behavior may support claims of undue influence or fraud.

5. Drafts of Previous Wills
   • Comparing changes between versions of the will can help determine whether the most recent changes are out of character.

6. Expert Testimony
   • Attorneys, doctors, or estate professionals can be brought in as expert witnesses to explain complex aspects of the case.

Keep in mind that New York probate courts require this evidence to meet strict evidentiary standards.

Reasons Most Will Contests Fail

Even with strong suspicions, many will challenges fail for the following reasons:

• Lack of admissible evidence: Courts need documented proof, not speculation.

• Missed deadlines: Contesting a will must be done within a specific timeframe after probate begins.

• Strong execution: If the will was drafted and executed by a qualified attorney with proper witnesses, it becomes very difficult to challenge.

• Costs and delays: Legal fees and prolonged court battles discourage many from pursuing a contest without clear grounds.

Should You Contest a Will?

Before initiating a will contest, consider:

• Do you have standing? You must be an interested party (such as a disinherited heir or prior beneficiary).

• Is there clear legal justification? Disappointment alone isn’t enough.

• Are you prepared for the emotional and financial costs?

• Would mediation or a family settlement be a better solution?
  

It’s also important to understand what happens if you die without a will or trust in New York, since state intestacy laws will control the distribution of assets in that case—often with results very different from what families expect.

An experienced attorney can help evaluate whether you have a viable case or whether another strategy may be more effective.

What If You Reach a Settlement?

Given the risks and costs of litigation, many will contests are resolved through settlements. These agreements can:

• Reallocate assets more fairly

• Minimize court involvement

• Preserve family relationships

Settlements are often kept confidential and may allow you to receive a portion of the estate without invalidating the entire will.

Final Thoughts: Challenging a Will Is Possible, But Rarely Easy

Although the success rate of contesting a will is low, cases with strong evidence and valid legal grounds can prevail. If you believe a will is invalid or unjust, don’t rely on assumptions—consult a legal professional.

In New York, especially in Surrogate’s Court, procedural rules are strict, and missing a key deadline or filing the wrong paperwork could undermine your case. Whether you’re considering a contest or responding to one, having an experienced estate planning attorney is essential.

Need Legal Help? Contact Katzner Law Group Today

At Katzner Law Group, we guide families through estate planning, probate, and inheritance disputes. If you’re concerned about the validity of a loved one’s will or are already involved in a contest, we can help you understand your rights and next steps.

Visit our Contact Page or call 855-528-9637 to schedule a consultation. We’re here to help you protect your interests with clarity and confidence.