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Case information

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42398

171517 Canada inc. v. Agence du revenu du Québec

(Quebec) (Civil) (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)
2026-07-09 Applicant's reply to respondent's argument, (Book Form), Incomplete, (Printed version due on 2026-07-16) 171517 Canada inc.
2026-06-29 Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-07-02) Agence du revenu du Québec
2026-06-29 Notice of name, (Letter Form), (Printed version filed on 2026-07-02) Agence du revenu du Québec
2026-06-29 Respondent's response on the application for leave to appeal, (Letter Form), Completed on: 2026-07-08, (Printed version filed on 2026-07-02) Agence du revenu du Québec
2026-06-15 Letter acknowledging receipt of an incomplete application for leave to appeal, FILED OPENED
2026-06-12 Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-06-17) 171517 Canada inc.
2026-06-12 Notice of name, (Letter Form), (Printed version filed on 2026-06-17) 171517 Canada inc.
2026-06-12 Application for leave to appeal, (Book Form), Missing:

-Amended Notice of application for leave to appeal with CA file number (Received on June 16, 2026), Completed on: 2026-06-16, (Printed version filed on 2026-06-17)
171517 Canada inc.

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
171517 Canada inc. Applicant Active

v.

Main parties - Respondents
Name Role Status
Agence du revenu du Québec Respondent Active

Counsel

Party: 171517 Canada inc.

Counsel
Names
Christopher R. Mostovac
Mathieu Laporte
Contact information
Starnino Mostovac s.e.n.c.
1010, rue de la Gauchetière Ouest
Bureau 2250
Montréal, Quebec
H3B 2N2
Telephone: (514) 397-0013 Ext: 224
FAX: (514) 394-0014
Email: cmostovac@starninomostovac.com

Party: Agence du revenu du Québec

Counsel
Names
Gabriel Déry
Véronique Verville
Contact information
Direction principale du contentieux - Revenu Québec
Secteur D221LC
3, Complexe Desjardins
Montréal, Quebec
H5B 1A7
Telephone: (514) 287-8221
FAX: (514) 287-5348
Email: gabriel.dery@revenuquebec.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

December 16, 2024
Court of Quebec

2024 QCCQ 7580 (French only)

See file

April 15, 2026
Court of Appeal of Quebec (Montréal)

2026 QCCA 514 (French only)

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: 2026-07-16