Quick answer: Whether you can dispute a will in BC and succeed depends on your standing and your grounds. Only certain people can bring a wills variation claim under section 60 of the Wills, Estates and Succession Act — a spouse or child of the deceased — arguing the will failed to provide adequately for them. Separately, anyone with a genuine interest can challenge a will’s validity for lack of testamentary capacity, undue influence, improper execution, or lack of knowledge and approval. Strong claims are backed by real evidence, and most must be started within 180 days of the grant of probate.
Contesting a will in BC can be a difficult and emotional process, but for some, it may be the only way to seek justice and ensure that their loved one’s final wishes are honored. The odds of winning a contest against a will vary depending on different factors such as jurisdictional laws, evidence strength, legal arguments, and whether family members or relevant parties like beneficiaries are involved. You need to understand your odds of winning, the grounds for contesting a will, and the potential consequences.
Contesting a will is a tedious process and winning it requires you to seek legal representation from an experienced estate litigation lawyer to reach the most favourable outcome. If you need help contesting a will, don’t hesitate to reach out to Onyx Law Group. Our wills and estates lawyers have the experience and knowledge necessary to successfully help you maximize settlement value for contesting wills and trust claims. Contact us today for a consultation and let our estate planning lawyers help you win your case.
In this article, we explore the process of contesting a will, including the odds of winning, the legal grounds for contestation, and possible repercussions.
What Are the Odds of Winning Contesting a Will in BC?
According to the 2021 Census, adults aged 65 and older make up 20.3% of British Columbia’s population. As BC’s population continues to age, estate planning, wills, and inheritance disputes are becoming increasingly important for many families.
The odds of winning a will contest in British Columbia depend on the facts of your case. There is no guaranteed success rate because every dispute is different. That said, legal professionals often estimate that only a minority of contested wills succeed, with reported figures commonly falling in the 20% to 40% range depending on the type of claim and the evidence available. Your chances improve when you have strong legal grounds, reliable evidence, and you meet all required deadlines.
The strength of your evidence is often the deciding factor. Medical records may help prove a lack of testamentary capacity. Financial records, emails, text messages, and witness testimony can support claims of undue influence or fraud. Your relationship to the deceased also matters. Under British Columbia’s Wills, Estates and Succession Act (WESA), spouses and children have the right to bring a wills variation claim if they were not adequately provided for. Other individuals usually need to prove that the will itself is legally invalid.
BC courts do not set aside a will simply because someone feels it is unfair. A judge will look for evidence that the deceased lacked the mental capacity to make a will, was pressured by another person, or that the will was not properly signed and witnessed.
In wills variation claims, the court considers whether the deceased met their legal and moral obligations to a spouse or child. Decisions such as Tataryn v. Tataryn Estate continue to guide how courts balance those obligations when deciding whether a will should be varied.
A successful claim also depends on acting quickly and presenting your case properly. Important documents, witness statements, and expert opinions can become harder to obtain over time. Working with an experienced estate litigation lawyer can help you identify the strongest legal arguments, gather the right evidence, and avoid procedural mistakes that could weaken your claim. While no lawyer can promise a particular outcome, careful preparation can significantly improve your chances of success.
What Are the Common Reasons and Grounds for Contesting a Will in British Columbia?

Not every disagreement over a will gives someone the right to challenge it. In British Columbia, the strongest cases are based on recognized legal grounds. These include undue influence, where someone pressured the deceased into changing their will, lack of testamentary capacity, meaning the person did not fully understand what they were signing, fraud or forgery, and improper execution, such as failing to meet the legal requirements for a valid will. The stronger the evidence supporting one of these claims, the better the chance of success.
Each ground requires different proof. Medical records are often important when mental capacity is questioned. Emails, text messages, financial records, or witness testimony may help show undue influence or fraud. If a will was not properly signed or witnessed, the court will look closely at whether the mistake affects its validity. Claims supported by clear documents and credible witnesses are generally much stronger than those based only on suspicion.
British Columbia has rules that differ from those of many other provinces. Under the Wills, Estates and Succession Act (WESA), spouses and children may ask the court to vary a will if it does not make adequate provision for them, even if the will is otherwise valid. That is separate from challenging a will because of fraud, undue influence, or lack of capacity. Knowing which legal path applies to your situation is an important part of building a successful claim.
Factors That Affect Your Chance of Success in Will Contests in BC”
No two will disputes are the same. One of the biggest factors is the evidence you can present. We often remind our clients, “Courts decide will contests based on evidence, not suspicion.” Medical records, financial documents, witness statements, and other reliable proof can make a strong case. If the evidence is weak or based on assumptions, the court is far less likely to rule in your favor.
Acting quickly also matters. In British Columbia, most will variation claims must be filed within 180 days from the date probate is granted. Missing that deadline can prevent your claim from moving forward.
Your relationship with the deceased also plays a major role. Spouses and children have legal rights to ask the court to vary a will if they believe they were treated unfairly. Other family members or people who expected to inherit may have fewer legal options unless they can prove another valid reason to challenge the will, such as undue influence or lack of mental capacity. Understanding where you stand under BC law is an important first step.
The lawyer you choose can also affect the outcome. Will contests often involve detailed evidence, legal deadlines, and complex court procedures. An experienced estate litigation lawyer can gather the right documents, identify the strongest legal arguments, and avoid mistakes that could hurt your case. Good legal advice early on can make a meaningful difference in your chances of success.
Key Factors Influencing Will Contest Outcomes in BC

Several factors can influence the outcome of a will contest in British Columbia. While no single factor guarantees success, some carry more weight than others. The table below highlights the key issues courts consider and explains how each one can affect your chances of winning a will dispute.
| Factor | Impact on Odds | BC Legal Notes |
|---|---|---|
| Evidence Strength | Strong evidence greatly improves the likelihood of success. Weak or speculative claims are less likely to succeed. | Medical records, witness testimony, financial records, and expert opinions are commonly used to support claims of undue influence, lack of capacity, or fraud. |
| Grounds for Contest | Claims based on recognized legal grounds have a much better chance than disputes based on fairness alone. | Valid grounds include undue influence, lack of testamentary capacity, fraud, improper execution, and wills variation claims under the Wills, Estates and Succession Act (WESA). |
| Relationship to the Deceased | Close family members often have stronger legal rights than distant relatives or unrelated individuals. | Spouses and children may bring a wills variation claim under WESA. Other claimants generally must prove the will is legally invalid. |
| Legal Representation | Experienced legal counsel can strengthen your case by gathering evidence, meeting deadlines, and presenting persuasive legal arguments. | Estate litigation in BC involves detailed procedural rules. Mistakes in filing or evidence can weaken an otherwise valid claim. |
| Timing of the Claim | Filing on time preserves your right to pursue a claim. Missing key deadlines can end your case before it begins. | Most wills variation claims must be started within 180 days after probate is granted. Other estate claims may have different limitation periods depending on the circumstances. |
How to Contest a Will and Win

How to contest a will in BC successfully starts with understanding your valid grounds. Contesting a will can be challenging, but with the right evidence and an experienced estate lawyer, it is possible to win if you have a valid legal claim and can provide evidence to support your case. Here are the steps you should take if you wish to contest a will in British Columbia:
1. Understand the Grounds for Contesting a Will
In British Columbia, valid grounds for contesting a will include lack of testamentary capacity, undue influence, fraud, forgery, or failure to meet legal requirements. To succeed, you must provide sufficient evidence showing that the will-maker lacked capacity, was unduly influenced, that the will’s validity is in question, or that the will was not properly executed with two witnesses as required by the Wills Estates and Succession Act.
2. Gather Evidence
Gather all relevant documents and evidence, such as medical records, financial records, bank statements, prior wills, and any other documents that may provide sufficient proof to support your claim. If you suspect undue influence, try to find evidence of the relationship between the deceased and the person who unduly influenced the deceased.
3. Consult with a Lawyer
It is recommended that you consult with a lawyer who is experienced in contesting wills in British Columbia. A lawyer can advise you on the strength of your claim, the evidence you will need, and the best legal strategy for your case.
4. File a Wills Variation Claim or Other Claim Contesting the Will or Trust
Once you have a strong case, you will need to file a Wills Variation Claim or other claim contesting the will or trust with the Supreme Court of British Columbia, beginning the legal procedure and involving all relevant parties. This will start the legal process and provide the executor of the estate with notice that the will is being contested.
5. Attend Court
Once the notice of contest is filed, you will need to attend court to present your case. You will need to provide evidence to support your claim and cross-examine any witnesses called by the executor of the estate.
6. Be Prepared for the Outcome
Even if you have a strong case, there is no guarantee that you will win. The court will consider all the evidence presented and make a decision based on the law and the facts of the case.
Success in contesting a will depends on the strength of your evidence, the validity of your legal arguments, and the court’s discretion. Working with a skilled attorney and thoroughly preparing your case increases your chances of a favorable outcome.
How Long Do You Have to Contest a Will in BC?
Contesting a will in British Columbia is a time-consuming process. The general rule is that you have 180 days from entering probate. This means that the court officially accepts your claim as valid for filing. That clock starts ticking whether you are aware of the probate or not, which is why it’s important to act fast. Additionally, you should do your research and make an informed decision within six months.
If you’re filing a Wills Variation Claim as a spouse or child of the deceased, this 180-day window is absolutely important. You can apply for a variation of a will under Section 60 of the Wills, Estates, and Succession Act (WESA) if you have not received an adequate, just, or equitable inheritance in any circumstances. If you overlook it, the opportunity to pursue a legal remedy disappears. Furthermore, courts have very little flexibility to extend the deadline unless there are truly exceptional circumstances.
If you are not a spouse or child but want to contest the will for other reasons, like alleging undue influence, fraud, or lack of capacity, you may have a slightly longer timeframe under common law. You shouldn’t rely on that. It would be beneficial to consult with a lawyer and begin gathering evidence at your earliest convenience. Delays can lead to lost documents, fading memories, or even a depletion of the estate.
What Happens if You Win or Lose a Will Contest?
Let’s start with the win. If your will challenge is successful, the court proceedings may set aside the entire will or part of it, or vary its terms to provide a more just distribution of the deceased’s estate, including joint tenancy holdings. In practical terms, that could mean you receive a larger share of the estate or even become the beneficiary of assets that were previously going to someone else. If the judge agrees that the testator’s conduct or another party’s influence caused the dispute, you might also receive court costs, which would be awarded to you instead of going to someone else.
If you lose, the will stands as is. In addition to that, there’s also a financial risk. In many cases, the losing party may be ordered to pay the legal costs of the winning side. That can add up quickly, especially in a drawn-out estate battle.
And beyond the dollars and cents, there’s often emotional fallout. Family relationships can fracture, sometimes beyond repair. That’s not to scare you off; sometimes justice demands a fight. However, it’s crucial to approach the situation with a realistic and well-supported strategy.
When to Consider Not Contesting a Will in BC?
There are times when walking away is actually the wisest move, even when your emotions tell you otherwise. If your legal claim is based more on moral frustration than provable legal grounds, you may want to think twice. Courts in British Columbia won’t rewrite a will just because it seems unfair. They need concrete reasons, like lack of testamentary capacity, undue influence, or a failure to fulfill legal obligations under WESA.
Another red flag is if the estate is small. Legal battles are expensive and time-consuming. If the potential gain is less than what you might spend on court fees, lawyer retainers, and lost time, it might not be worth it. Do a cost-benefit analysis, and don’t forget to factor in the emotional toll.
It’s also worth pausing if family relationships are already fragile. Contesting a will can reopen old wounds and spark new ones. That’s not always a reason to avoid it; sometimes justice matters more than harmony, but it should be part of the decision-making process.
And finally, if you’ve missed the deadline to file or don’t have access to the kind of evidence a judge would need to see, it may be better to let go. That doesn’t mean you have no options; there may be informal avenues for negotiation or mediation. But launching a weak case in court can do more harm than good.
What if the Will Is Unfair?
Individuals may still contest a will under specific legal grounds if they believe it to be unfair. However, the mere fact that someone considers a will unfair may not be sufficient for a successful contestation. When it comes to how the law handles unfairness, under the Wills, Estates, and Succession Act, the testator must provide for the surviving spouse and children in a way that is adequate, just, or equitable.
A testator owes both a legal and moral obligation to provide for his or her spouse. The legal obligation looks at what the surviving spouse would be entitled to receive if there were a separation just before the testator’s death. Under the Family Law Act, the courts would view the legal obligation as a notional family claim. The court also rules based on moral obligation. Factors include how long the couple was married, the joint standard of living, and any sacrifices the surviving spouse made for the family or for the testator. Another factor is the size of the testator’s family.
With regard to their children, testators only owe a moral obligation to provide for their adult, independent children. Factors to be considered include the quality of the relationship between the child and the parent, whether there has been estrangement, whether there has been misconduct on the part of the child, whether the child has provided extensive caretaking services to the parent, and whether the child has already received an inheritance from the other parent who predeceased the testator.
How Do I Know if the Deceased Was Mentally Able to Execute a Valid Will?
The basic criteria for determining whether the deceased was mentally able to execute a valid will are as follows:
- The testator had to know what a will is when writing it. If the testator had dementia or delusions, that presents an immediate red flag for the court.
- He or she must have understood the legality of the document and its influence on the surviving family.
- The testator must have been aware of the assets he or she owned, such as bank accounts and property, and must also have recognized the moral duty owed to the surviving spouse and family members.
- Finally, the testator cannot be suffering from a fixed delusion about a family member that relates to that family member’s inheritance under the testator’s estate.
What if Someone Pressured the Testator?
Subtle manipulation and outright abuse of elderly testators, unfortunately, do happen. It’s possible that the testator’s caretaker had too much influence on the will. Here’s a note of caution for you: tread carefully.
If the court declares your claim invalid, you might be responsible for the other party’s legal fees. Research your case and decide if you’re willing to take that risk. You must prove undue influence by showing that the testator would have acted differently without that influence and that someone exerted undue influence during the process when the testator signed the will. If the testator was dependent on the caretaker, your case may be easier to justify.
How to Improve Your Odds of Winning When Contesting a Will in BC
The strongest will contests are built on solid evidence. Gather medical records, financial documents, emails, text messages, and any other records that support your claim. Witness statements can also make a difference, especially if someone saw signs of undue influence or concerns about the deceased’s mental capacity. The more reliable your evidence is, the stronger your case is likely to be.
It also helps to speak with an experienced BC estate litigation lawyer as early as possible. A lawyer can assess whether you have valid legal grounds, explain your options, and make sure important deadlines are not missed.
In British Columbia, some claims, including wills variation claims, must be started within strict time limits after probate is granted. Missing those deadlines could mean losing your right to bring a claim, no matter how strong your case may be.
Finally, be prepared for the process ahead. Will disputes can take months and sometimes longer to resolve. They may involve legal costs, document requests, negotiations, and court hearings. Knowing what to expect can help you make informed decisions and reduce unnecessary stress. Going into the process with realistic expectations and the right support can put you in a much stronger position.
Need to Contest a Will in BC?
While legal action involving deeply personal issues and close family members can be emotionally challenging, professional legal assistance can help navigate the process. The chances of winning when contesting a will vary, and professional legal assistance is a must in navigating the process.
At Onyx Law Group, we choose to be a place of support for our clients while providing competent and passionate legal advocacy. Our expert wills and estates lawyers seek equitable solutions for you, and we stand by you throughout the process. Reach out to us today for a free consultation and get started on the process.
Frequently Asked Questions
Many people wonder whether they have legal standing to challenge a loved one’s will in British Columbia. Here are quick answers to common questions about estate disputes, estate law, and contesting a will in BC.
Do People Usually Win When They Contest a Will?
It depends on the facts of the contested will case and the evidence available. A person contesting a will with strong evidence and legal standing has a better chance of success.
How Much Does It Cost to Contest a Will in BC?
The cost depends on the complexity of the case, the parties involved, and whether it settles or goes to trial. Speaking with a law firm early can help you understand the likely costs and your legal options.
What Is the Most Common Inheritance Mistake?
One common mistake is failing to create or regularly update a will. Another is assuming a previous will or informal wishes automatically reflect the deceased’s final intentions.
How Long Does It Take to Contest a Will in BC?
A contested will can take several months to more than a year, depending on the settlement process and any legal proceedings. The timeline may also be affected by the probate process or whether the parties attend mediation sessions.
What Are the Key Steps to Contest a Will Successfully in BC?
Gather important documents and evidence before starting a civil claim in the BC Supreme Court. Working with an experienced estate lawyer can help you understand the process and protect your rights.
How Do You Challenge a Will’s Validity in BC?
You can challenge a will by showing that it is legally invalid or does not meet the requirements under BC law. Common reasons include lack of capacity, undue influence, or problems with how the will was made.
Is It Hard to Contest a Will in BC?
Contesting a will in BC can be challenging because the courts require clear legal grounds, such as undue influence, lack of capacity, or unfair exclusion under the Wills, Estates and Succession Act (WESA). While personal disappointment isn’t enough, strong evidence and legal guidance can improve your chances of success.
Disclaimer: This article is provided by Onyx Law Group for general informational purposes only and should not be considered legal advice. Every will contest is different, and the likelihood of success depends on the specific facts, available evidence, applicable law, and court findings. Reading this article does not create a lawyer-client relationship with Onyx Law Group. If you are considering contesting a will in British Columbia or responding to a will challenge, you should seek legal advice from a qualified estate litigation lawyer who can assess your individual circumstances and explain your rights under BC law.

