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Wills & Estates

What is undue influence in a will in Saskatchewan?

TSL Written by the Treadstone Law Team· Updated November 13, 2026

This answer covers the law of Saskatchewan.

Undue influence is pressure that overrides a person's own free choice about what goes in their will, so the document reflects someone else's wishes rather than theirs. In Saskatchewan, undue influence remains the burden of those attacking the will to prove.

Ordinary persuasion is different. A relative who offers an opinion, spends time with an older person or even asks for a gift has not necessarily done anything wrong. The real question is whether the person still made the decision freely. Where a will was duly executed, the court presumes the person had capacity, and suspicious circumstances can shift the burden to the person trying to prove the will. Undue influence and fraud, however, stay with those attacking the will.

A will can be proven in solemn form under Rule 16-48, and a caveat can be filed. What a court looks at depends on the facts, such as who was involved in the changes and how the person was living. Notes, messages and witnesses can matter, so keep what you have and speak with a lawyer promptly. If you are a dependant, a separate claim may be possible where a will makes inadequate provision.

Key takeaways

  • Undue influence is pressure that replaces a person's own free choice, which is different from ordinary advice or persuasion.
  • In Saskatchewan, the burden of proving undue influence or fraud stays with the people attacking the will.
  • Suspicious circumstances can shift the burden to the person trying to prove the will, and capacity is presumed when a will was duly executed.
  • A will can be proven in solemn form under Rule 16-48 and a caveat can be filed, so talk to a lawyer early.
This is general information, not legal advice. It doesn’t create a lawyer–client relationship, and the rules can change. For advice on your situation, a Treadstone wills & estates lawyer can help.

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Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

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