Who Really Wrote the Will?

About Our Legal Expert: This content is produced with oversight by Michael Jefferies, Managing Director who has over 30 years’ legal experience.

Written by Tanya Waterworth, Digital Content Writer

Forensic Linguistics in a Probate Dispute

When a will is disputed, families often focus on capacity, undue influence or suspicious circumstances, so another question to ask is who really wrote the will? Forensic linguistics which is the scientific analysis of language, is used in some probate disputes to examine writing style, vocabulary patters and linguistic fingerprints.

Essentially these techniques helps show whether a will reflects the deceased’s true voice or perhaps someone else may have drafte, edited it or influenced it.

Basically, if you are concerned whether your loved one really wrote their will before passing away, you may want to find out more on disputing a will with a contentious probate claim.

🖋️ What Is Forensic Linguistics in Probate?

Forensic linguistics is the study of language for legal purposes, which is different to forensic handwriting which is when the physical handwriting is examined e.g. how a ‘t’ is crossed.

Basically, every person has a unique linguistic fingerprint which points to the testator’s ‘voice’. So, when a will suddenly departs from the deceased’s usual writing style, this may raise questions about authenticity.

In essence, writing‑style analysis helps uncover undue influence, fraud and ghost‑written wills. In probate disputes, experts analyse:

• writing style
• sentence structure
• vocabulary choices
• punctuation habits
• spelling patterns
• idioms and expressions
• consistency with earlier documents

📑 When Does Linguistic Analysis Becomes Relevant?

We gathered a sample of our recent enquiries which indicated that 43,5% of our callers expressed concern about suspected undue influence, coercion or manipulation, while just over 30% of new enquires also revealed concern about testamentary capacity.

As contentious probate claims can be complex, forensic linguistics is typically used in probate disputes involving:

1. Suspiciously sophisticated wills

If the deceased usually wrote in simple, informal language but the will contains complex legal phrasing, unusual vocabulary or structured paragraphs, this may suggest:

• ghost‑writing
• heavy influence from a beneficiary
• drafting by someone with legal knowledge

2. Wills prepared shortly before death

When a will is created during a period of illness, cognitive decline or vulnerability, linguistic inconsistencies may indicate:

• someone else dictated the content
• the deceased did not fully understand the wording
• the will was not genuinely their own expression

3. Disputes over handwritten amendments

Linguistic analysis can help determine whether:

• handwritten notes match the deceased’s usual style
• corrections were made by someone else
• added clauses reflect the deceased’s typical phrasing

4. Allegations of undue influence

Undue influence involves aspects such as coercion when someone exerts pressure or manipulation over a testator. Language analysis may reveal:

• coercive drafting
• unfamiliar expressions
• beneficiary‑driven wording
• abrupt changes in tone or intent

5. Conflicts between multiple versions of a will

Experts compare earlier wills, letters, emails and personal notes to identify whether the final version aligns with the deceased’s established linguistic patterns.

🔍 How Linguistic Experts Analyse a Will

Forensic linguists use several techniques to assess authenticity, which may include:

1. Stylistic Analysis

Experts examine for a sudden shift in style which may indicate external involvement, so they will look at:

• sentence length
• punctuation habits
• preferred vocabulary
• formality level
• typical grammatical choices

2. Vocabulary Profiling

People tend to use consistent vocabulary across documents. If a will contains words or phrases the deceased never used before, this may suggest:

• drafting by someone else
• copying from templates
• influence from a beneficiary

3. Comparative Document Analysis

To help determine whether the language is consistent with the deceased’s authentic voice, experts typically compare the will with:

• letters
• emails
• diaries
• previous wills
• social‑media posts
• handwritten notes

4. Authorship Attribution

Advanced linguistic software can identify whether:

• multiple authors contributed to the document
• sections differ in style
• edits were made by someone other than the deceased

This is particularly useful when a will appears to have been “patched together”.

⚠️ What Linguistic Red Flags Look Like

Probate solicitors often look for linguistic warning signs such as:

• Sudden formality: the deceased normally wrote casually, but the will is highly formal.
• Legal jargon: phrases like “I hereby bequeath” or “notwithstanding the foregoing” appear despite no prior use.
• Uncharacteristic complexity: long, structured sentences inconsistent with the deceased’s usual writing.
• Beneficiary‑specific language:  wording that mirrors the speech or writing style of someone who benefits from the will.
• Abrupt changes in tone: sections that feel emotionally disconnected or stylistically different.
• Inconsistent spelling or punctuation: variations that suggest multiple authors.

While these indicators do not prove wrongdoing on their own, they can support claims of undue influence, fraud or lack of knowledge and approval.

⚖️ Why Should You Contact a Contentious Probate Solicitor?

The main legislation governing wills under the Wills Act 1837 deals with the formal requirements for making and witnessing wills, but a solicitor can help you determine if there were factors at play such as coercion or whether it’s could be a forged or fraudulent will.

In such will disputes, forensic linguistics can provide some powerful evidence, if used correctly. Therefore, a specialist contentious probate solicitor can:

• identify whether linguistic analysis is appropriate
• instruct the right expert
• gather comparison documents
• interpret linguistic findings within legal context
• combine linguistic evidence with medical, factual and witness evidence
• build a strong claim based on authenticity concerns

Probate disputes involving authorship are complex. Without expert guidance, families risk misinterpreting linguistic clues or failing to present them effectively.

📝 How to Start a Probate Claim Involving Linguistic Evidence

1. Gather relevant documents

Documentation makes up the backbone of a contentious probate claim. As comparative data, you may want to collect:

• earlier wills
• letters
• emails
• handwritten notes
• diaries
• social‑media posts

2. Contact a contentious probate solicitor

We partner with experienced contentious probate lawyers who offer a free consultation when they will assess your potential claim, including whether linguistic analysis strengthens your claim.

3. Preserve all documents

Avoid rewriting, editing or annotating any documents. Authenticity is crucial.

4. Instruct a forensic linguist

Your solicitor will work with an expert to analyse the will and comparison documents.

5. Enter pre‑action correspondence

Your solicitor will outline concerns to executors or beneficiaries.

6. Attempt early resolution

Many disputes settle once linguistic inconsistencies are revealed.

7. Issue proceedings if necessary

If settlement isn’t possible, your solicitor will prepare for court.

FAQs About Forensic Linguistics in Probate Disputes

Can linguistic analysis prove a will is fraudulent?

It can strongly support the argument, but courts consider linguistic evidence alongside medical, factual and witness evidence.

Is forensic linguistics accepted in courts in England and Wales?

Yes, linguistic experts are used in various civil and criminal cases. In probate, their evidence is admissible when relevant to authorship or influence.

Does this overlap with handwriting analysis?

No, handwriting experts analyse physical writing, whereas linguists analyse language itself.

Can linguistic evidence show undue influence?

It can reveal unnatural wording, beneficiary‑driven phrasing or stylistic inconsistencies that support undue‑influence claims.

What if the will was typed?

Linguistic analysis is often more effective with typed wills because handwriting does not obscure linguistic patterns.

What To Do Next?

Contentious probate disputes are complicated, emotional and subject to time limits. Even strong claims can fail if early mistakes are made or if crucial evidence is lost. The support of a specialist solicitor can give you the best chance of securing a just result and it’s advisable to get started as soon as possible.

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We partner with experienced probate lawyers who also offer a range of fee structures, including ‘No Win, No Fee’ for certain cases along with other flexible funding.