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Forgery of a will signature requires forensic handwriting evidence from a QDE. Fraud requires proving the testator was deceived. There is no limitation period for fraud-based challenges. Criminal prosecution may also arise. Early specialist legal advice is essential.
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Fraud and forgery in will cases are serious matters. They are relatively rare but do occur — particularly in cases of disputed handwriting, wills produced after death, or situations where the deceased was incapacitated and someone else took the opportunity to create or alter a will.
This guide explains the different forms of fraud and forgery, how to detect them, the forensic evidence needed, the legal process, and the criminal law dimension.
Will forgery typically involves:
Red flags that may indicate forgery:
Forensic examination by a Questioned Documents Examiner (QDE) is the principal tool for detecting forgery. A QDE can analyse:
A QDE report costs approximately £3,000–£8,000 depending on the complexity. The expert will need genuine comparison signatures from the deceased — found in bank mandates, correspondence, contracts, and other signed documents.
Fraud in will cases involves deceiving the testator into signing a will — for example:
Fraud overlaps significantly with lack of knowledge and approval — if the testator was deceived, they may not have truly known and approved the will's contents. Evidence of fraud requires showing the deception and that it caused the will to be made in the terms it was.
One of the most important legal aspects of fraud claims is the limitation period. Under the Limitation Act 1980, where a Grant of Probate has been obtained by fraud:
This is in contrast to most other contentious probate claims. See our guide on time limits for contesting a will.
Forging a will is a criminal offence. Depending on the conduct, relevant offences include:
In serious cases, a complaint to the police may be appropriate. Civil and criminal proceedings can run in parallel. A criminal conviction can assist the civil case, but the civil case does not require a criminal conviction and uses the lower civil standard of proof.
For the broader contentious probate picture, see our introduction to contentious probate and our guide on the grounds for contesting a will. For capacity challenges, see our guide on lack of testamentary capacity. For undue influence, see our undue influence guide. For costs, see our guide on costs in contentious probate. For the non-contentious estate, see our estate administration checklist and our complete UK probate guide.
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The five legal grounds for contesting a will in England and Wales: lack of testamentary capacity, lack of valid execution, undue influence, fraud and forgery, and lack of knowledge and approval. What each means and what you need to prove.
How to prove undue influence in a will challenge. This guide explains the strict legal test (coercion, not persuasion), the absence of any presumption in will cases, what circumstantial evidence courts consider, and why these claims are so difficult to win.
What are the practical outcomes when a will challenge succeeds? This guide covers the effect of a declaration of invalidity, distribution under a previous will or intestacy, partial invalidity, revocation of the grant, recovery of distributed assets, and Inheritance Act outcomes.
An introduction to contentious probate: what it covers, the two main types of dispute (will validity challenges and Inheritance Act claims), the courts involved, costs, and the first steps to take.
How to challenge a will on the grounds of lack of testamentary capacity. This guide covers the Banks v Goodfellow (1870) four-part test, what evidence is needed, the golden rule for solicitors, and the practical steps to bring a claim.
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