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Case information

Conduct a refined search of the Supreme Court of Canada database to obtain details on the status of a matter before the Court.


42209

R.W. Tomlinson Limited, et al. v. Labourers’ International Union of North America, et al.

(Ontario) (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)
2026-03-26 Applicant's reply to respondent's argument, (Book Form), Completed on: 2026-03-26, (Printed version filed on 2026-03-26) R.W. Tomlinson Limited
2026-03-16 Notice of name, (Letter Form), (Printed version filed on 2026-03-16) Local 527, Luigi Carrozzi, Shawn McLaughlin, Carlo Trunzo, Robert Martins, and “John Doe”
2026-03-16 Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-03-16) Local 527, Luigi Carrozzi, Shawn McLaughlin, Carlo Trunzo, Robert Martins, and “John Doe”
2026-03-16 Respondent's response on the application for leave to appeal, (Book Form), Completed on: 2026-03-17, (Printed version filed on 2026-03-16) Local 527, Luigi Carrozzi, Shawn McLaughlin, Carlo Trunzo, Robert Martins, and “John Doe”
2026-02-12 Letter acknowledging receipt of an incomplete application for leave to appeal
2026-02-10 Book of authorities, (Book Form), Completed on: 2026-02-11, (Printed version filed on 2026-02-11) R.W. Tomlinson Limited
2026-02-10 Certificate (on limitations to public access), (Letter Form), 23A

Amended version required (Rec 02-12-2026), (Printed version due on 2026-02-17)
R.W. Tomlinson Limited
2026-02-10 Notice of name, (Letter Form), (Printed version due on 2026-02-17) R.W. Tomlinson Limited
2026-02-10 Application for leave to appeal, (Book Form), Missing:

- Amended 23A (Rec 02-12-2026), Completed on: 2026-02-11, (Printed version filed on 2026-02-11)
R.W. Tomlinson Limited

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
R.W. Tomlinson Limited Applicant Active
Tomlinson Ready Mix, a division of R.W. Tomlinson Limited, 2839034 Ontario Inc. c.o.b. as Material Supply and Logistics Tomlinson Environmental Services Ltd. c.o.b. as Industrial Waste Division Applicant Active

v.

Main parties - Respondents
Name Role Status
Labourers’ International Union of North America Respondent Active
Local 527, Luigi Carrozzi, Shawn McLaughlin, Carlo Trunzo, Robert Martins, and “John Doe” Respondent Active

Counsel

Party: R.W. Tomlinson Limited

Counsel
Names
David P. Taylor
Sean Grassie
Henna Mohan
Contact information
Conway Baxter Wilson LLP
411 Roosevelt Avenue, suite 400
Ottawa, Ontario
K2A 3X9
Telephone: (613) 288-0149
FAX: (613) 688-0271
Email: dtaylor@conwaylitigation.ca

Party: Tomlinson Ready Mix, a division of R.W. Tomlinson Limited, 2839034 Ontario Inc. c.o.b. as Material Supply and Logistics Tomlinson Environmental Services Ltd. c.o.b. as Industrial Waste Division

Counsel
Names
David P. Taylor
Sean Grassie
Henna Mohan
Contact information
Conway Baxter Wilson LLP
411 Roosevelt Avenue, suite 400
Ottawa, Ontario
K2A 3X9
Telephone: (613) 288-0149
FAX: (613) 688-0271
Email: dtaylor@conwaylitigation.ca

Party: Labourers’ International Union of North America

Counsel
Names
Ernie Schirru
David Rosenfeld
Contact information
Koskie Minsky LLP
20 Queen Street West
Suite 900, PO Box 52
Toronto, Ontario
M5H 3R3
Telephone: (416) 977-8353
FAX: (416) 977-3316
Email: eschirru@kmlaw.ca
Agent
Name
Marie-France Major
Contact information
Supreme Advocacy LLP
340 Gilmour Street
Suite 100
Ottawa, Ontario
K2P 0R3
Telephone: (613) 695-8855 Ext: 102
FAX: (613) 695-8580
Email: mfmajor@supremeadvocacy.ca

Party: Local 527, Luigi Carrozzi, Shawn McLaughlin, Carlo Trunzo, Robert Martins, and “John Doe”

Counsel
Names
Ernie Schirru
David Rosenfeld
Contact information
Koskie Minsky LLP
20 Queen Street West
Suite 900, PO Box 52
Toronto, Ontario
M5H 3R3
Telephone: (416) 977-8353
FAX: (416) 977-3316
Email: eschirru@kmlaw.ca
Agent
Name
Marie-France Major
Contact information
Supreme Advocacy LLP
340 Gilmour Street
Suite 100
Ottawa, Ontario
K2P 0R3
Telephone: (613) 695-8855 Ext: 102
FAX: (613) 695-8580
Email: mfmajor@supremeadvocacy.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

July 30, 2024
Ontario Superior Court of Justice

2024 ONSC 4039

See file

December 12, 2025
Court of Appeal for Ontario

2025 ONCA 861

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 613‑996‑7933 or at 1‑888‑551‑1185.

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 613‑996‑7933 or at 1‑888‑551‑1185.

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 613‑996‑7933 or at 1‑888‑551‑1185.

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: 2026-04-01