QLD Undue Influence in Wills — Supreme Court Probate List📞 +18392109187  |  Confidential review
Succession Act 1981 (QLD)Briginshaw v BriginshawSupreme Court of QueenslandQLD Estate Specialists

Undue Influence in QLD Wills & Estates

Undue influence is one of the most frequently alleged — and most difficult to prove — grounds for challenging a will in Queensland. It requires proof that the testator's free will was overborne by coercion such that the will does not represent their true intentions. Under the Succession Act 1981 (QLD) and the common law applied by the Supreme Court of Queensland, the person alleging undue influence bears the onus of proof and must meet the Briginshaw standard of clear, cogent, and precise evidence. QLD-specific features — including the s 10(2) positional signature rule, s 24(2) lost will presumption, Criminal Code s 488 forgery penalties, QCAT oversight, and Public Guardian pathways — add further dimensions to undue influence claims in this jurisdiction.

🇦🇺 See: Undue Influence in NSW Wills

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What is undue influence in QLD probate law?

Undue influence in the context of wills means that the testator was coerced into making a will that did not reflect their true wishes. The testator's mind was overborne — they did not act as a free and voluntary agent. The classic statement of the principle was given by Sir James Hannen P in Wingrove v Wingrove (1885): the question is not whether the testator knew what they were doing, but whether the will expresses their own wishes — or the wishes of another person who has coerced them. This principle applies equally in Queensland and is applied by the Supreme Court of Queensland in its probate jurisdiction.

It is critical to distinguish undue influence from mere persuasion, advice, or legitimate family pressure. The law recognises that a testator may be influenced by family members, carers, or friends — that is part of ordinary human relationships. The threshold for undue influence is coercion: the testator's will must have been overborne. Influence becomes "undue" when it deprives the testator of free agency. In Queensland, this threshold is applied consistently with the authorities followed in other Australian jurisdictions, but the QLD Supreme Court has particular regard to the vulnerability factors commonly seen in regional and remote communities, where isolation can amplify the risk of coercive control.

The Briginshaw standard in QLD

Allegations of undue influence are among the most serious that can be made in probate litigation. Under the principle in Briginshaw v Briginshaw (1938) — reflected in s 140 of the Evidence Act 1977 (QLD) — the Court must take into account the gravity of the matters alleged when deciding whether the civil standard of proof has been met. This means the evidence of undue influence must be clear, cogent, and precise. Inferences drawn from circumstance alone will rarely be sufficient; direct evidence of coercion, while not always available, is highly persuasive. Where a will is also challenged for defective execution under s 10(2) of the Succession Act 1981 (QLD), the Court may need to consider both formal validity and the circumstances of execution simultaneously.

Recognising the red flags of undue influence

Because undue influence is often exercised in private and the testator is no longer available to give evidence, proof frequently relies on circumstantial evidence. The following indicators — while not individually determinative — are commonly examined by the QLD Supreme Court in undue influence cases:

Proving undue influence in the QLD Supreme Court

To succeed in an undue influence claim in the Supreme Court of Queensland, the challenging party must establish:

The Court will examine all the surrounding circumstances: the testator's physical and mental condition, their relationship with the alleged influencer, the terms of the will and how they compare with earlier wills, the circumstances of the will's preparation and execution (including compliance with s 10 of the Succession Act 1981 (QLD)), and any statements made by the testator before and after execution. Where a will is lost and the s 24(2) presumption of revocation applies, the Court may also need to consider whether the loss itself is consistent with coercion or concealment by the influencer.

Undue influence vs suspicious circumstances vs lack of capacity

These three grounds are often pleaded together but are legally distinct. The QLD Supreme Court applies these doctrines consistently with other Australian jurisdictions:

Undue Influence

The testator had capacity and knew the contents — but their will was overborne by coercion. The will reflects someone else's wishes, not the testator's. The challenger bears the onus of proof throughout. There is no presumption of undue influence in QLD probate law, even where the beneficiary stood in a relationship of ascendancy over the testator.

Suspicious Circumstances

Circumstances surrounding the will's preparation and execution arouse the Court's suspicion. The evidential burden shifts to the propounder to prove knowledge and approval. This is a lower threshold for the challenger — they need only raise a suspicion; the propounder must then dispel it. In QLD, the s 10(2) signature position rule can itself give rise to suspicion if the signature is placed in an unusual location.

Lack of Capacity

The testator did not meet the Banks v Goodfellow test for testamentary capacity at the time of execution. The propounder bears the onus of proving capacity where the will is rational on its face; this may shift if circumstances suggest incapacity. In QLD, the presence of an EPOA and QCAT findings about the testator's capacity may be relevant evidence.

Evidence that matters in QLD undue influence cases

Given the high standard of proof required, building a compelling evidentiary case is critical. The following categories of evidence are commonly deployed in QLD undue influence proceedings:

Common pitfalls in QLD undue influence claims

Many undue influence claims fail not because the allegation is unfounded, but because of avoidable mistakes in the way the case is prepared and presented. Common pitfalls in QLD include:

QLD-specific features in undue influence claims

Queensland succession law contains several distinctive provisions that can interact with undue influence claims in ways not seen in other Australian jurisdictions. Understanding these features is essential to properly assessing and litigating undue influence in the QLD Supreme Court.

s 10(2) — Positional Signature Rule

Under s 10(2) of the Succession Act 1981 (QLD), a will is not properly executed unless the testator's signature appears at the foot or end of the will. In undue influence cases, a signature placed in an unusual location — particularly in a will prepared by the alleged influencer without independent legal advice — can be evidence of a hurried, irregular execution that supports the inference of coercion. If the will is defective under s 10(2), the propounder may need to apply under s 18 for the Court to dispense with the formal requirement, adding a further layer of complexity to the dispute.

s 24(2) — Lost Will Presumption

Where a will was last traced to the possession of the testator and cannot be found after death, s 24(2) of the Succession Act 1981 (QLD) creates a presumption that the testator destroyed the will with intention to revoke it. In undue influence cases, the disappearance of an earlier will that favoured different beneficiaries — combined with the appearance of a new will favouring the alleged influencer — is a red flag. The challenger may seek to rebut the s 24(2) presumption by showing the will was destroyed or concealed by the influencer, not by the testator.

Criminal Code s 488 — Will Forgery

Under s 488 of the Criminal Code 1899 (QLD), a person who forges a will or utters a forged will with intent to defraud is guilty of a crime and liable to imprisonment for 14 years. This is one of the most serious penalties for will-related fraud in Australia. Where undue influence shades into forgery — for example, where the influencer signs the will on behalf of the testator without authority, or alters the will after execution — criminal consequences may follow. The existence of this provision can also be relevant to the Briginshaw assessment: an allegation that comes close to alleging criminal conduct demands particularly cogent evidence.

QCAT — Queensland Civil and Administrative Tribunal

QCAT has jurisdiction to review the conduct of attorneys under enduring powers of attorney. Where the alleged influencer also holds the testator's EPOA, QCAT can investigate and make orders — including suspending or revoking the attorney's appointment, requiring accounts, and ordering compensation. QCAT proceedings can run in parallel with Supreme Court probate proceedings and may provide crucial interim protection for a vulnerable testator's assets while the undue influence claim is litigated.

Public Guardian (QLD)

The Public Guardian is an independent statutory officer with functions including investigating allegations of abuse, neglect, or exploitation of adults with impaired capacity. Concerned family members who suspect undue influence — particularly where the testator is still alive and being pressured — can contact the Public Guardian. The Public Guardian may investigate and, if necessary, apply to QCAT for protective orders. A Public Guardian investigation can also produce independent evidence relevant to an undue influence claim.

Notice of Intention to Oppose

In Queensland, a person who wishes to oppose a grant of probate must file a Notice of Intention to Oppose with the Supreme Court registry, setting out the grounds of opposition. This is the QLD equivalent of a caveat (NSW). In undue influence cases, the Notice should identify the grounds clearly and be filed as soon as concerns arise — before a grant is made. Filing without proper grounds risks an adverse costs order.

Suspect undue influence in a QLD will?

Undue influence cases are challenging and evidence-intensive. Early investigation — including securing medical records, solicitor files, and witness statements — is critical. QLD-specific provisions such as s 10(2), s 24(2), and Criminal Code s 488 can significantly affect the strategy and prospects of a claim. We can assess whether the indicators in your case are sufficient to support a challenge in the Supreme Court of Queensland.

Frequently asked questions — QLD undue influence

No. Unlike some other areas of equity (such as transactions between solicitor and client or guardian and ward), there is no general presumption of undue influence in probate law in Queensland. The person alleging undue influence bears the onus of proof throughout. This distinguishes probate undue influence from equitable undue influence, where certain relationships give rise to a presumption that shifts the evidential burden. In QLD probate, the challenger must prove coercion from the outset, and the standard is high — clear, cogent, and precise evidence commensurate with the seriousness of the allegation, as required by Briginshaw v Briginshaw and s 140 of the Evidence Act 1977 (QLD). This is the same position as in NSW, but in QLD the absence of a presumption is particularly significant where the alleged influencer also holds the testator's EPOA — the QCAT jurisdiction provides a separate protective pathway, but does not alter the onus of proof in the probate proceedings.

Section 10(2) of the Succession Act 1981 (QLD) requires the testator's signature to appear at the foot or end of the will. In undue influence cases, this rule creates a strategic interaction: a will that favours an alleged influencer and was prepared without independent legal advice may also have formal execution defects — such as the signature appearing in an unusual place. This can support the inference that the execution was hurried, irregular, or controlled by the influencer. The challenger may plead both undue influence and defective execution, contending that the will is invalid on both grounds. The propounder may then need to apply under s 18 for the Court to dispense with the formal requirements, which requires proving the document expresses the testator's true intentions — a proposition directly challenged by the allegation of undue influence. This interplay between s 10(2) and the undue influence claim can make QLD cases more complex than their interstate counterparts.

QCAT (the Queensland Civil and Administrative Tribunal) can play an important supporting role in undue influence cases where the alleged influencer also holds an enduring power of attorney for the testator. QCAT can: review the attorney's conduct and order them to produce accounts; suspend or revoke the attorney's appointment if satisfied they have acted improperly; declare that particular transactions were not authorised; and order the attorney to compensate the principal for loss. QCAT proceedings are generally less formal and less expensive than Supreme Court litigation and can provide interim protection while the probate dispute is prepared. QCAT findings about the attorney's conduct can also be deployed as evidence in the Supreme Court undue influence proceedings. However, QCAT cannot determine the validity of a will — that remains the exclusive jurisdiction of the Supreme Court. The Public Guardian can also be approached to investigate allegations of exploitation, and may bring applications to QCAT in its own right.

Under s 24(2) of the Succession Act 1981 (QLD), where a will was last known to be in the testator's possession and cannot be found after death, there is a presumption that the testator destroyed the will with the intention of revoking it. In undue influence cases, this presumption creates a significant evidentiary hurdle. If the challenger alleges that an earlier will (favouring them or a broader group of beneficiaries) was in fact destroyed by the influencer — not by the testator — they must rebut the s 24(2) presumption with evidence. Relevant evidence includes: the testator's statements confirming the will remained in force; the influencer's opportunity and motive to destroy the will; the testator's character and habits regarding document preservation; whether the influencer had access to the testator's documents; and the circumstances surrounding the will's disappearance. The strength of the presumption depends on the facts: if the testator was particularly careful with documents and had recently affirmed the will, the presumption may be more easily rebutted than if the testator was known to discard papers casually.

Disclaimer: This page provides general information about undue influence in Queensland wills and estates. It does not constitute legal advice. The Succession Act 1981 (QLD), the Evidence Act 1977 (QLD), the Criminal Code 1899 (QLD), and associated legislation are complex, and outcomes depend on the specific facts and evidence of each case. You should obtain legal advice specific to your circumstances. Last reviewed: June 2026. Jurisdiction: Queensland, Australia.