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Case information

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42446

Duncan Sinclair v. His Majesty the King

(Ontario) (Criminal) (By Leave)

Docket

Judgments on applications for leave to appeal are rendered by the Court, but are not necessarily unanimous.

List of proceedings
Date Proceeding Filed By
(if applicable)
2026-07-20 Letter acknowledging receipt of an incomplete application for leave to appeal, FILE OPENED
2026-07-16 Motion to extend the time to file and or serve the application for leave to appeal, (Book Form), Completed on: 2026-07-20, (Printed version filed on 2026-07-17) Duncan Sinclair
2026-07-16 Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-07-17) Duncan Sinclair
2026-07-16 Application for leave to appeal, (Book Form), MISSING:

-Signed copies of the CA and TC Judgments (Received on July 21, 2026), Completed on: 2026-07-21, (Printed version filed on 2026-07-17)
Duncan Sinclair

Parties

Please note that in the case of closed files, the “Status” column reflects the status of the parties at the time of the proceedings. For more information about the proceedings and about the dates when the file was open, please consult the docket of the case in question.

Main parties

Main parties - Appellants
Name Role Status
Sinclair, Duncan Applicant Active

v.

Main parties - Respondents
Name Role Status
His Majesty the King Respondent Active

Counsel

Party: Sinclair, Duncan

Counsel
Name
Jessica Zita
Contact information
Jessica Zita Law
507 King Street East
Toronto, Ontario
M4A 1M3
Telephone: (416) 526-8826
Email: JessicaZitaLaw@gmail.com
Agent
Name
Thomas Slade
Contact information
Supreme Advocacy LLP
100 - 340 Gilmour Street
Ottawa, Ontario
K2P 0R3
Telephone: (613) 695-8855 Ext: 102
FAX: (613) 695-8580
Email: tslade@supremeadvocacy.ca

Party: His Majesty the King

Counsel
Name
Roger A. Pinnock
Contact information
Attorney General of Ontario
720 Bay Street
10th Floor
Toronto, Ontario
M7A 2S9
Telephone: (416) 326-4600
FAX: (416) 326-4656
Email: roger.pinnock@ontario.ca

Summary

Keywords

None.

Summary

Case summaries are prepared by the Office of the Registrar of the Supreme Court of Canada (Law Branch). Please note that summaries are not provided to the Judges of the Court. They are placed on the Court file and website for information purposes only.

None.

Lower court rulings

November 22, 2021
Ontario Superior Court of Justice

2021 ONSC 7563

See file

September 17, 2025
Court of Appeal for Ontario

2025 ONCA 643

See file

Filed documents

The memorandums of argument on an application for leave to appeal will be posted here 30 days after leave to appeal has been granted unless they contain personal information, information that is subject to a publication ban, or any other information that is not part of the public record. You may also obtain copies of the memorandum by filling out the Request for Court records form or by contacting the Court’s Records Centre either by email at records-dossiers@scc-csc.ca or by telephone at 613-996-8666 or at 1-844-365-9662.

If you have questions about a memorandum of argument or want to use a memorandum of argument, please contact the author of the memorandum of argument directly. Their name appears at the end of the memorandum of argument. The contact information for counsel is found in the “Counsel” tab of this page.

Downloadable PDFs

Not available

The factums of the appellant, the respondent and the intervener will be posted here at least 2 weeks before the hearing unless they contain personal information, information that is subject to a publication ban, or any other information that is not part of the public record. You may also obtain copies of factums by filling out the Request for Court records form or by contacting the Court’s Records Centre either by email at records-dossiers@scc-csc.ca or by telephone at 613-996-8666 or at 1-844-365-9662.

If you have questions about a factum or want permission to use a factum, please contact the author of the factum directly. Their contact information appears on the first page of each factum.

Downloadable PDFs

Not available

The condensed books of the appellant, the respondent and the intervener will be posted here upon receipt of the electronic version, 2 days prior to the scheduled appeal hearing. You may also obtain copies of condensed books by filling out the Request for Court records form or by contacting the Court’s Records Centre either by email at records-dossiers@scc-csc.ca or by telephone at 613-996-8666 or at 1-844-365-9662.

If you have questions about a condensed book or want permission to use a condensed book, please contact the author of the condensed book directly. Their contact information appears on the first page of each condensed book.

Downloadable PDFs

Not available

Webcasts

Not available.

Date modified: 2026-07-22