Undue Influence and Suspicious Circumstances in Victorian Will Disputes

What Undue Influence Means in Will Disputes

Undue influence in the testamentary context is coercion. The test is strict: the influence must have been such that the will-maker's free will was overborne and the Will no longer represents their own intentions. The law does not require a beneficiary to be a passive observer — it requires only that the will-maker remain the author of the document.

Unlike equitable undue influence in some lifetime transactions (where a presumption can arise from the nature of the relationship), testamentary undue influence is not presumed. The person alleging it must prove it on the balance of probabilities. Cogent evidence is required because the allegation is serious and the will-maker is no longer available to give their own account.

Pressure, Persuasion and Coercion

The distinction between lawful pressure and unlawful coercion is the central question. The law allows family members and others to:

• remind the will-maker of their relationship and the support they have provided;
• argue, even forcefully, for a particular distribution;
• express disappointment or distress at the will-maker's previous decisions; and
• propose particular wording or structures.

What the law does not allow is conduct that overbears the will-maker's judgment — threats, manipulation of physical care, exploitation of dependency, or sustained isolation from independent advice. The boundary is fact-specific and depends on the vulnerability of the will-maker, the nature of the relationship, and whether the will-maker remained free to make a different choice.

Suspicious Circumstances in Will-Making

Suspicious circumstances are not a separate ground of challenge and do not automatically invalidate a Will. They are facts which, when established, concern whether the will-maker knew and approved of the Will's contents. Where such circumstances are established, the propounder must satisfy the Court that the will-maker knew and approved the Will; the degree of scrutiny and the evidence required respond to the circumstances. That question is distinct from undue influence, the burden of proving which remains on the person alleging it.

Facts sometimes said to give rise to suspicious circumstances include the following. These examples are illustrative only and are not determinative — no category is automatically suspicious and whether a doubt about knowledge and approval arises depends on all the facts:

• the Will was prepared by a beneficiary or an associate of a beneficiary;
• the will-maker was isolated from family or independent advisers in the period leading up to the Will;
• there were changes shortly before death;
• the Will departs from previous testamentary intentions without documented explanation;
• the will-maker was frail, dependent on the beneficiary, or unable to read or understand the document before signing.

Elderly or Vulnerable Will-Makers

Age and frailty are not, on their own, indicators of undue influence. But age combined with dependency on a beneficiary, declining cognition, or social isolation can create the conditions in which undue influence becomes possible. The court examines the will-maker's capacity, the nature of any dependency, and the steps the solicitor took to confirm the Will reflected the will-maker's own wishes.

Capacity and undue influence are distinct but may be pleaded in the same proceeding. For the legal test and the evidence required, see our guide to challenging testamentary capacity in Victoria.

Isolation from Family Members

Isolation of the will-maker in the period leading up to the Will may be relevant to the Court's assessment. Where a beneficiary controls the will-maker's communications, attends medical appointments, screens visitors and arranges the solicitor without the involvement of other family, those facts may inform how the Court examines how the Will came to be made. Isolation is not itself proof of coercion; it is one of the surrounding circumstances the Court may consider.

Changes to a Will

Where a Will departs from an earlier testamentary pattern, the Court may consider the new Will alongside earlier Wills and the will-maker's documented intentions. Contemporaneous explanations — estrangement, the death of a beneficiary, a new partner of long standing, an act of generosity or neglect — may be relevant evidence. The absence of a documented explanation may be one of the facts the Court considers, but no inference is automatic.

Gifts to Carers, New Partners or One Child

The following categories are sometimes examined more closely. None is automatically suspicious and no legal presumption of invalidity attaches to any of them:

• Gifts to professional or informal carers — where the carer became part of the will-maker's life late in the piece, or was involved in arranging the new Will.
• Gifts to a new partner — where the relationship is short, where the partner has displaced earlier family beneficiaries, or where the partner arranged or attended the will-making appointment.
• Gifts to one child to the exclusion of others — where the chosen child lived with or cared for the will-maker, controlled their finances, or was the principal point of contact with the solicitor.

These patterns are not determinative. Whether they raise a doubt about knowledge and approval, or bear on undue influence, depends on the will-maker's capacity, the relationships involved, the independence of advice and the circumstances of execution.

The Role of Solicitor File Notes

The solicitor who prepared the Will may be an important independent witness. Contemporaneous file notes may be relevant evidence. Matters the Court may consider include:

• whether instructions were taken from the will-maker directly, in private, and recorded in their own words;
• observations about the will-maker's capacity, demeanour and understanding;
• who was present at meetings and who arranged the appointment;
• the will-maker's documented explanation for any departure from earlier Wills; and
• the reading and explanation of the Will before signing and the identity of the witnesses.

Where a solicitor took instructions through a beneficiary, did not see the will-maker alone, or kept no substantive file notes, that may be a matter the Court considers. It is not, of itself, proof of anything and no outcome follows automatically.

Medical and Capacity Evidence

Medical evidence may be relevant where capacity is in issue or where the will-maker's vulnerability is contested. GP notes, specialist reports, hospital records and medication charts may bear on the will-maker's cognitive state and any dependency on the beneficiary. No medical material is inherently decisive.

Retrospective expert opinion — from a geriatrician, psychiatrist or neuropsychologist — may assist where contemporaneous evidence is limited, subject to the usual limits of retrospective assessment.

Probate Caveats and Urgent Steps

Where a grant of probate has not yet issued, a probate caveat lodged with the Probate Office of the Supreme Court of Victoria under the Probate Rules prevents a grant from issuing while the caveat is in force unless dealt with under the Rules. A caveat preserves the position while concerns are investigated; it does not, of itself, establish that a Will is invalid.

Costs consequences depend on the parties' conduct and the outcome of any subsequent proceedings. Legal advice on the grounds, procedure and costs exposure should be obtained before lodgement.

Interaction with Testamentary Capacity Claims

Undue influence and lack of capacity may be pleaded together in the same proceeding. They are distinct: capacity concerns whether the will-maker could understand what they were doing; undue influence concerns whether their judgment was overborne by another. The evidence may overlap, and the strategic decision about which grounds to advance turns on the strength of the material on each.

A family provision claim under Part IV of the Administration and Probate Act 1958 (Vic) is a distinct pathway. Eligibility, grounds and remedies differ from a validity challenge, and separate advice may be needed. See our guides to family provision claims in Victoria and executor disputes.

Costs Risks and Practical Next Steps

Costs are a strategic consideration. Ordinary discretion and costs principles apply, but costs in probate litigation are fact-sensitive. Recognised exceptions can arise, for example where the testator or a beneficiary caused the litigation, or where the circumstances reasonably called for investigation. The outcome on costs depends on the facts and the parties' conduct.

Practical steps to consider where undue influence or suspicious circumstances are suspected:

1. Act promptly. Records degrade and witnesses' memories fade.
2. Obtain the current Will and any earlier Wills. Comparison may be a useful starting point.
3. Identify the solicitor who prepared the Will. The file may be relevant evidence.
4. Preserve medical records and banking history. These may be relevant to capacity and dependency.
5. Consider a probate caveat. Take advice on the grounds, procedure and costs exposure before lodgement.

Our estate litigation team acts for beneficiaries who believe a Will does not reflect the will-maker's true intentions, and our probate and estate administration team advises executors faced with validity challenges. For a broader overview of the firm's contested estates work, see our pillar guide on estate litigation lawyers in Melbourne.

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