Leduc v. Dufour
- Citation
- 2026 ONCA 219
- Status
- Judgment
- Jurisdiction
- Canada
- Court
- Court of Appeal for Ontario
- Decision
- 25 March 2026
- Posture
- Civil / Appeal; Costs Determination Following Dismissal of Appeal
- Language
- English
More details
- Court
- Court of Appeal for Ontario
- Decision
- 25 March 2026
- Posture
- Civil / Appeal; Costs Determination Following Dismissal of Appeal
- Language
- English
On this page
Professional case brief
Research organized from the available case record
01
Holding and result
The Court dismissed the appeal and exercised its discretion to fix costs of the appeal payable by the appellant to the respondents in the all-inclusive amount of $37,000.
Court disposition
Appeal dismissed; costs awarded to respondents.
Orders
- The appellant shall pay to the respondents costs of the appeal in the all-inclusive amount of $37,000.
02
Material facts
Parties
Tyler Leduc
Plaintiff (respondent) Counsel: Jonathan C. Lisus; Zain NaqiAngele Vanier
Litigation Guardian for Tyler Leduc (respondent) Counsel: Jonathan C. Lisus; Zain NaqiAngele Vanier
Litigation Administrator of the Estate of Jean Louis Leduc (respondent) Counsel: Jonathan C. Lisus; Zain NaqiMeghan O’Brien Estate Trustee During Litigation for the Estate of the Late Marc Dufour
Defendant (appellant Party) Counsel: Geoffrey D.E. Adair, K.C.Ted Tichinoff
Litigation Administrator for the Estate of the Late Marc Dufour (defendant) Counsel: Geoffrey D.E. Adair, K.C.Marc Dufour or in the alternative The Estate of Marc Dufour
Defendant Counsel: Geoffrey D.E. Adair, K.C.France Duclos
Defendant Counsel: Geoffrey D.E. Adair, K.C.Jean McKay
Defendant Counsel: Geoffrey D.E. Adair, K.C.Lily Bugg
Defendant Counsel: Geoffrey D.E. Adair, K.C.Tina Hood
Defendant Counsel: Geoffrey D.E. Adair, K.C.Glenda Petrenko
Defendant Counsel: Geoffrey D.E. Adair, K.C.Joanne Despatie
Defendant Counsel: Geoffrey D.E. Adair, K.C.Tina Hart
Defendant Counsel: Geoffrey D.E. Adair, K.C.Krista Zielger
Defendant Counsel: Geoffrey D.E. Adair, K.C.Erica Salo
Defendant Counsel: Geoffrey D.E. Adair, K.C.Lyne Baird
Defendant Counsel: Geoffrey D.E. Adair, K.C.Sally Edward
Defendant Counsel: Geoffrey D.E. Adair, K.C.Health Sciences North (formerly Sudbury Regional Hospital)
Defendant Counsel: Geoffrey D.E. Adair, K.C.Wallbridge Wallbridge
Appellant Counsel: Geoffrey D.E. Adair, K.C.Amounts and remedies
- Costs Awarded: CAD 37,000
03
Procedural history
Posture
Civil / Appeal; Costs Determination Following Dismissal of Appeal
04
Questions and positions
Legal issues
- 01
Whether the appellant should be ordered to pay costs of the appeal
- 02
What quantum of costs is appropriate for the appeal
Party arguments
- Applicant
- Appellant challenged the outcome and advanced submissions on costs during the appeal; applicant argued for a different costs outcome and quantum than the respondents sought.
- Respondent
- Respondents sought an order for costs of the appeal against the appellant and proposed a specific all-inclusive amount reflected in their costs outline.
05
Court’s reasoning
Legal principles
- 01
Court of Appeal practice and principles
Costs ordinarily follow the event on appeal
- 02
Court of Appeal Rules and appellate jurisprudence
Appellate court has discretion to fix the quantum of costs having regard to submissions and outlines
06
Ratio, limits and disposition
Ratio decidendi
The Court dismissed the appeal and exercised its discretion to fix costs of the appeal payable by the appellant to the respondents in the all-inclusive amount of $37,000.
Court disposition
Appeal dismissed; costs awarded to respondents.
- The appellant shall pay to the respondents costs of the appeal in the all-inclusive amount of $37,000.
Source and reliance status
Court of Appeal for Ontario · 25 March 2026
This page organises the available record for research. Confirm quotations, current status, and subsequent treatment against the official source before relying on the case.
Judgment reading view
Judgment text
The complete available source text.
Court of Appeal for Ontario
Judgment· 25 March 2026
Leduc v. Dufour Collection Decisions of the Court of Appeal Date 2026-03-25 Neutral citation 2026 ONCA 219 Docket numbers COA-25-CV-0131 Judges van Rensburg, Katherine; Miller, Bradley; Sossin, Lorne Subject Civil Decision Content
COURT OF APPEAL FOR ONTARIO CITATION: Leduc v. Dufour, 2026 ONCA 219 DATE: 20260325 DOCKET: COA-25-CV-0131 van Rensburg, Miller and Sossin JJ.A.
BETWEEN Tyler Leduc, an infant under the age of eighteen years by his Litigation Guardian, Angele Vanier, Angele Vanier, and Angele Vanier, Litigation Administrator of the Estate of Jean Louis Leduc Plaintiffs (Respondents) and Meghan O’Brien Estate Trustee During Litigation for the Estate of the Late Marc Dufour, Ted Tichinoff Litigation Administrator for the Estate of the Late Marc Dufour, Marc Dufour, or in the alternative, The Estate of Marc Dufour, France Duclos, Jean McKay, Lily Bugg, Tina Hood, Glenda Petrenko, Joanne Despatie, Tina Hart, Krista Zielger, Erica Salo, Lyne Baird, Sally Edward, and Health Sciences North (formerly Sudbury Regional Hospital) Defendants Geoffrey D.E. Adair, K.C., for the appellant Wallbridge Wallbridge Jonathan C. Lisus and Zain Naqi, for the respondents Heard: November 25, 2025 On appeal from the order of Justice M. Gregory Ellies of the Superior Court of Justice, dated December 10, 2024, with reasons reported at 2024 ONSC 6882. COSTS: REASONS FOR DECISION [1] We dismissed this appeal for reasons reported at 2026 ONCA 3. [2] Having considered the written submissions of the parties and their costs outlines we fix costs of the appeal payable by the appellant to the respondents in the all-inclusive amount of $37,000. “K. van Rensburg J.A.” “B.W. Miller J.A.” “L. Sossin J.A.”
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