⚠️ This guide was researched and updated in May 2026. Laws and regulations change frequently. For specific legal advice regarding your jurisdiction, please consult with local legal counsel.
Common Will Mistakes That Lead to Disputes
Understand the most common errors that lead to disputes and how to avoid them when creating your will
Recorded Will Mistakes by Category
Formal validity
66 recordedProblems with how the will was written, signed or witnessed, which may stop it from being accepted as valid
Forced heirship and protected shares
51 recordedRules in some places that reserve part of an estate for close family, which a will may not be able to override
Tax
38 recordedPoints where the way an estate is arranged may affect the tax that becomes due on it
Probate and process
28 recordedWhat may happen once an estate is being administered, and where delays commonly arise
Cross-border and jurisdiction
25 recordedIssues that can arise when a person, or their property, is connected to more than one country
Assets and property
22 recordedProperty and possessions that may pass outside the will, or that may need to be described more carefully in it
Religious and personal law
22 recordedSituations where religious or community rules may sit alongside the general law when an estate is shared out
Keeping the will current
10 recordedA will left unchanged for years may no longer match the person's circumstances or the law as it now stands
Family and relationships
8 recordedWays that marriage, separation, children and other family changes may affect who inherits
Capacity and consent
1 recordedQuestions about whether the person understood what they were signing, or was pressured into it by someone else
Grounds on Which a Will Is Challenged
- Lack of testamentary capacity
- Undue influence
- Improper execution
- Forgery or fraud
- Lack of knowledge and approval
Jurisdictions With the Most Recorded Pitfalls
Argentina
Most Common Mistake
Inflation planning failures - Values eroded rapidly
Key Rules to Remember
- Legítima: 2/3 for children, 1/2 for parents
- Provincial tax rates vary 0.5-3.5%
- Holographic will needs validation
Commonly noted: Regular updates are generally needed
India
Most Common Mistake
Missing self-acquired vs ancestral - Invalid bequests of ancestral property
Key Rules to Remember
- No inheritance tax since 1985
- Different succession laws by religion
- Hindu coparcenary rights in ancestral property
Commonly noted: Property types are normally distinguished clearly
United Kingdom
Most Common Mistake
Using beneficiaries as witnesses - The beneficiary loses their inheritance under the will
Key Rules to Remember
- Marriage automatically revokes a will unless made in contemplation of that specific marriage
- Divorce does not revoke a will but treats ex-spouse as having predeceased
- Beneficiaries who witness a will lose their inheritance
Commonly noted: Independent witnesses who are neither beneficiaries nor married to beneficiaries are generally advisable
Australia
Most Common Mistake
Forgetting superannuation death benefits - Super doesn't automatically follow will, may go to wrong person
Key Rules to Remember
- No inheritance tax but CGT on asset transfers (except main residence)
- Superannuation death benefits don't automatically follow will
- Binding death benefit nominations override will for super
Commonly noted: Binding death benefit nominations are normally made with the super fund
Austria
Most Common Mistake
Forgetting property transfer tax - Unexpected 2-3.5% tax on real estate
Key Rules to Remember
- No inheritance tax since August 2008
- Pflichtteil = 50% of statutory inheritance share
- Mandatory probate (Verlassenschaftsverfahren)
Commonly noted: Property transfer costs generally apply
Bahrain
Most Common Mistake
Muslims attempting to will more than 1/3 - Excess provisions invalid under Sharia
Key Rules to Remember
- Dual legal system (Islamic + civil)
- Only 1/3 of estate can be willed freely (Muslims)
- No inheritance tax
Commonly noted: Voluntary distributions are generally limited to 1/3 of the estate
Complete Jurisdictional Analysis
Where a state or region has its own recorded pitfalls, they are listed under that country. Where none are recorded, the country-level list applies.
This is general information, not legal advice. Requirements differ between jurisdictions and change over time. Consult a qualified legal professional about your own will.
Always verify with local legal counsel
| Jurisdiction | Recorded Mistakes | Regional Detail | Expand row for details |
|---|---|---|---|
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 3 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 3 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 5 recorded | Country-level only | ||
| 4 recorded | Country-level only | ||
| 4 recorded | Country-level only |
Prevention Strategies
Professional Drafting
Working with qualified legal professionals can reduce the risk of drafting errors and successful challenges by catching jurisdiction-specific formalities a layperson is unlikely to know.
Capacity Documentation
Recording a contemporaneous medical assessment when testamentary capacity may later be questioned makes capacity-based challenges much harder to sustain in court.
Independent Witnesses
Choosing witnesses who do not benefit from the will avoids the most common witnessing pitfalls: interested-witness rules that can void gifts or, in some jurisdictions, the entire will.
Regular Updates
Reviewing and updating your will after major life events (marriage, divorce, births, significant asset changes) keeps it aligned with current intentions and the people now in your life.
Reduce Common Will-Drafting Mistakes
Orchard72 helps you avoid common mistakes with guided workflows, jurisdiction-aware requirements, and structured prompts that catch many drafting errors before they happen.
Related Resources
What Happens Without a Will?
How intestacy rules would distribute your estate, with flow charts for your country.
Who Can Draft and Sign a Will?
Who may sign a will, and the witness rules, across 76 jurisdictions.
Physical vs Digital Signatures
Which of 101 jurisdictions accept digital signatures and which need wet ink.
Discuss This in the Community
Have questions about this topic? Join the discussion in our community forum. Get answers from verified professionals and other members.

