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№ 22 Wills & Estates

Time Limit to Contest a Will in Alberta and Key Deadlines

Know the deadlines for challenging a will in Alberta: caveats, objections, rectification, family maintenance claims and general limitation periods.

Wills & Estates4 min readTSLBy the Treadstone Law Team · AlbertaUpdated November 6, 2026
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Key takeaways
  • Several key Alberta deadlines are 6 months from the date the grant is issued, including rectification and family maintenance applications.
  • A caveat lasts 3 months, and a caveator has 10 days to respond to a Form C4 warning.
  • General limitation rules set 2-year and 10-year periods for many claims, with limited exceptions.

If you think a will should be challenged, the clock may already be running. Alberta has no single deadline to contest a will. Instead, different steps have different time limits, and several depend on when the grant of probate or administration was issued.

This article sets out the deadlines that commonly matter, how they interact, and the exceptions. Treat it as a map, not a calculator. Your dates, and any extensions the Court may allow, are worth confirming with a lawyer quickly.

This article covers the law of Alberta.

Why there is no single deadline

Challenging a will can involve several different steps: stopping a grant, asking the Court to prove or set aside a will, correcting a mistake, or claiming support from the estate. Each has its own rule. Missing one does not always end the others, but it can close a door permanently.

Many of the periods run from the grant, not from the death. Find out whether a grant has been issued and, if so, its date, because that date anchors most of the periods below.

The main deadlines at a glance

StepTime limitNote
Caveat (stops a grant)Stays in force 3 months from filingSame caveator needs the Court's permission to file again
Response to a Form C4 warning10 days from being servedThe caveator may apply to extend the time
Rectification of a will6 months after the grant is issuedThe Court may extend the period; a different rule applies where a signature was omitted
Application to save a witness giftNot more than 6 months after the grantThe Court may extend the period
Family maintenance and support6 months after the grant is issuedThe Court may allow it at any time for undistributed estate property
Treating a lifetime transfer as an advanceWithin 6 months of the grantApplies to transfers to a spouse, partner or descendant

Caveats and objections

A caveat can be filed before or after a grant application, in Form C3. After it is filed, no further proceedings may be taken on the grant application until it expires, is discharged or withdrawn, or is otherwise dealt with under the Rules. It remains in force for 3 months unless discharged, withdrawn or the Court orders otherwise.

If the applicant serves a Form C4 warning, the caveator may file and serve a notice of objection in Form C9 within 10 days of being served. If no timely objection is filed, the clerk discharges the caveat and the grant application continues. Because a caveat is short-lived, it buys time to prepare a court application rather than replacing one.

Family maintenance and the six-month rule

A family maintenance and support application must be commenced within 6 months after the grant of probate or administration is issued. The Court may allow an application at any time for any part of the estate that has not been distributed at the date of application. Do not rely on that exception, since it depends on the estate's status and the Court's decision.

Other points that affect timing:

General limitation periods

For some civil claims connected to an estate, the Limitations Act sets a general rule. A claim is barred 2 years after the claimant first knew or ought to have known of the injury, that it was attributable to the defendant's conduct, and that a proceeding was warranted, or 10 years after the claim arose, whichever expires first.

There are narrow exceptions. Fraudulent concealment suspends only the 10-year period, and the claimant bears the burden of proof. Limitation periods are also suspended while the claimant is under disability, and while the claimant is a minor, subject to notice-to-proceed rules. Whether this general rule applies to your situation, or whether another statute sets a shorter period, depends on the facts and should be confirmed with a lawyer.

What to do next

Frequently asked questions

Is there one deadline to contest a will in Alberta?

No. The deadline depends on the step. Rectification and family maintenance applications generally run 6 months from the grant, and a caveat lasts 3 months.

Can the time limit be extended?

Sometimes. The Court may extend the rectification period and the period for applications about witness gifts. For family maintenance, the Court may allow an application at any time for undistributed estate property.

Does the clock start at death or at the grant?

For the 6-month periods for family maintenance, rectification and witness gifts, it runs from the grant. General limitation periods run from different events, such as when you knew of the claim.

What happens if I miss my 10 days after a Form C4 warning?

If no timely notice of objection is filed, the clerk discharges the caveat and the grant application continues. The caveator may apply to extend the time.

Sources

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

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Alberta laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a lawyer who practises in Alberta. Reach us at 1-844-900-1070 or send our Team a message.

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