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Challenging a Will Based on Undue Influence: Key Considerations

Rutkin & Wolf PLLC Nov. 6, 2025

Old women signing will document in presence of young ladyChallenging a will can be a sensitive process, particularly when we suspect that undue influence affected the decisions of the testator. Undue influence occurs when someone exerts pressure or manipulates the testator to make changes to their estate that don’t reflect their true intentions.

Estate planning probate matters often raise challenging questions for families and beneficiaries. When concerns arise about whether a loved one’s will reflects their true intentions, having knowledgeable guidance can make a significant difference. 

At Rutkin & Wolf PLLC, we help clients in White Plains, New York, and the surrounding areas understand their options and take appropriate steps if they need to challenge a will.

What Constitutes Undue Influence

Undue influence isn't simply a matter of persuasion. It occurs when one party overpowers the free will of the testator, causing them to make decisions they otherwise wouldn’t have made. This influence may be subtle or overt, but in either case, it can invalidate parts of the will if proven.

We consider several factors when assessing undue influence:

  • Relationship dynamics: A person in a close relationship with the testator may have opportunities to influence decisions.

  • Isolation or dependency: Testators who rely heavily on someone for care or companionship may be more vulnerable to pressure.

  • Sudden changes in the will: Unexpected alterations that favor one individual over long-standing beneficiaries can signal influence.

By examining these elements, we can begin to determine whether a challenge a will claim based on undue influence may be viable.

Recognizing Common Signs of Undue Influence

While no single sign automatically indicates undue influence, certain patterns may warrant further investigation. These signs help us understand whether the testator acted under pressure rather than personal intent.

  • Rapid or unexplained changes to beneficiary designations

  • Testator expressing discomfort or fear around specific individuals

  • Isolation of the testator from friends, family, or advisors

  • Unusual transfers of property shortly before the will was executed

Identifying these factors often requires collecting documentation, witness statements, and other evidence that reflects the testator’s mental and emotional state at the time of signing the will.

Evaluating the Mental Capacity of the Testator

When we challenge a will, assessing the testator's mental capacity is essential. The law in New York requires that a testator be of sound mind when executing a will. This means they must understand the nature and extent of their property, recognize the people who are entitled to inherit, and appreciate the effect of their decisions.

Mental capacity is evaluated through multiple lenses:

  • Medical records indicating cognitive ability

  • Observations from family, friends, or caregivers

  • Evidence of prior decision-making patterns

Understanding the testator’s mental state provides context for whether undue influence could have affected their choices. When mental capacity is compromised, even subtle pressure from another individual may render a will susceptible to challenge.

Gathering Evidence to Support a Challenge

Evidence is critical when we challenge a will based on undue influence. Without clear proof, claims can be dismissed. We prioritize collecting materials that demonstrate manipulation, coercion, or improper behavior.

Key sources of evidence include:

  • Correspondence or communications suggesting pressure

  • Witness testimony about interactions between the testator and potential influencers

  • Financial records that reveal suspicious transfers or gifts

Each piece of evidence contributes to forming a cohesive argument that undue influence occurred. Properly organizing and presenting this information can significantly affect the outcome of a will dispute.

Timing Considerations in a Will Contest

In New York, there are strict timeframes for filing to challenge a will. Generally, objections must be raised within a defined period after the will is admitted to probate. Acting promptly allows us to investigate thoroughly while memories are fresh and records are accessible.

We also evaluate the timing of the alleged undue influence relative to the execution of the will. If manipulative actions occurred shortly before the will was signed, they may carry more weight in a court’s assessment. Conversely, influence from earlier periods may require stronger supporting evidence.

Legal Standards for Proving Undue Influence

Successfully challenging a will requires demonstrating that undue influence affected the testator’s decisions. New York law considers several factors:

  • The influencer had a confidential relationship with the testator

  • The testator was susceptible to pressure due to age, illness, or dependency

  • The influencer actively sought to benefit from the will

  • The resulting provisions deviate from the testator’s prior intentions

Each factor contributes to a cumulative assessment. We analyze these elements carefully to determine whether a formal legal challenge is warranted.

Common Misconceptions About Challenging a Will

Many individuals believe that simply being unhappy with a will’s distribution provides grounds for challenge. This isn’t the case. We clarify that dissatisfaction alone doesn’t constitute undue influence. Instead, we must show that the testator’s free will was overpowered in a manner that materially affected the outcome of their estate.

Another misconception is that evidence of a close relationship automatically indicates undue influence. While relationships are relevant, the mere existence of a bond doesn’t invalidate a will. Demonstrating manipulation or coercion is necessary to substantiate a claim.

Preparing for Court Proceedings

When we challenge a will in court, preparation is critical. This includes organizing evidence, identifying witnesses, and anticipating arguments from opposing parties. Litigation can be demanding, but structured preparation improves the likelihood of presenting a persuasive case.

We focus on:

  • Documenting the testator’s state of mind and behavior

  • Highlighting any suspicious interactions between beneficiaries and the testator

  • Reviewing prior versions of the will to demonstrate unusual changes

A methodical approach helps courts understand the basis for the challenge and the context surrounding the alleged undue influence.

Alternatives to Litigation

While court proceedings are sometimes necessary, we also consider alternative approaches. Mediation or settlement discussions can provide resolutions that respect family relationships while addressing concerns about undue influence. 

Rutkin & Wolf PLLC has observed that these alternatives often save time, reduce stress, and conserve resources. Even when pursuing a challenge a will, exploring out-of-court solutions may lead to agreements that reflect the testator’s true intentions without lengthy litigation.

Protecting Interests During a Challenge

Challenging a will can affect multiple parties, including family members, beneficiaries, and the estate itself. We prioritize strategies that safeguard interests while addressing potential undue influence. This includes monitoring asset transfers, maintaining clear communication with involved parties, and documenting all developments related to the case.

  • Maintaining records of all estate-related transactions

  • Communicating with beneficiaries about the dispute

  • Addressing any actions that could prejudice the case

These measures help preserve rights and reduce the risk of additional disputes.

The Importance of Witnesses

Witnesses play a vital role when we challenge a will. Their observations can provide context about the testator’s mental state, relationships, and susceptibility to influence. Witnesses may include family members, friends, medical professionals, or anyone who regularly interacted with the testator.

We carefully identify and prepare witnesses to provide accurate accounts that support claims of undue influence. Their statements can be pivotal in establishing whether the testator acted freely or under pressure.

Documenting Financial Transactions

Financial behavior often provides clues when to challenge a will that is based on undue influence. Sudden transfers, unusual gifts, or deviations from established patterns may indicate manipulation. We closely examine financial records to identify discrepancies that support our position.

Documenting these transactions allows us to demonstrate patterns that are inconsistent with the testator’s usual behavior. This evidence can strengthen claims that someone unduly influenced the estate’s distribution.

What Are Beneficiary Relationships? 

Beneficiary relationships are another factor in evaluating undue influence. Favoritism toward one beneficiary, especially in the absence of a clear rationale, can raise questions. We review family dynamics, prior distributions, and the testator’s history to assess whether undue influence might have shaped the will.

  • Identifying significant changes in beneficiary designations

  • Considering previous gifting patterns

  • Reviewing any history of disputes among potential beneficiaries

This analysis helps determine whether the distribution reflects the testator’s true wishes or the result of external pressure.

Steps to Take Before Filing a Challenge

Before formally challenging a will, we take several preliminary steps to strengthen the case. These actions allow us to build a foundation for presenting evidence in court.

  • Gather all relevant versions of the will and supporting documentation

  • Interview witnesses who can provide information about the testator’s behavior

  • Analyze medical and financial records to identify vulnerability or coercion

These steps help us evaluate the likelihood of success and develop a structured approach to the challenge a will process.

Addressing Counterarguments

When a will is challenged, opposing parties often raise counterarguments. They may claim the testator acted voluntarily, had full mental capacity, or that the influence was benign. We assess these arguments and respond with evidence demonstrating coercion or manipulation.

Addressing counterarguments thoroughly improves credibility and helps courts distinguish between legitimate decisions and undue influence. Anticipating opposition helps make sure that our claims are clearly articulated and supported by evidence.

Challenging a will based on undue influence requires careful consideration, thorough investigation, and strategic planning. By evaluating mental capacity, gathering evidence, and assessing relationships and financial patterns, we can determine whether a challenge a will claim is viable.

Contact Our Firm Today

At Rutkin & Wolf PLLC, we’ve helped clients across White Plains and the surrounding areas — including the Bronx, New Rochelle, and Lower Westchester County — challenge a will affected by undue influence. We’ll review the circumstances of the estate, assess your options, and pursue a course of action that protects your interests and reflects the true intentions of the testator.

Do you need assistance from an experienced estate planning attorney? Contact us today to schedule an appointment.