Case information
Consult our database for details on a Supreme Court of Canada case.
42337
North American Polypropylene ULC v. Williams Canada Propylene ULC, et al.
(Alberta) (Civil) (By Leave)
Docket
Judgments on applications for leave to appeal are rendered by the Court, but are not necessarily unanimous.
| Date | Proceeding | Filed By (if applicable) |
|---|---|---|
| 2026-06-04 | Book of authorities, (Book Form), Completed on: 2026-06-04, (Printed version filed on 2026-06-04) | Williams Canada Propylene ULC |
| 2026-06-04 | Certificate (on limitations to public access), (Letter Form), 23B, (Printed version filed on 2026-06-04) | Williams Canada Propylene ULC |
| 2026-06-04 | Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-06-04) | Williams Canada Propylene ULC |
| 2026-06-04 | Notice of name, (Letter Form), (Printed version filed on 2026-06-04) | Williams Canada Propylene ULC |
| 2026-06-04 |
Respondent's response on the application for leave to appeal, (Book Form), Missing Proof of Service (Rec'd 2026-06-04), Completed on: 2026-06-04, (Printed version filed on 2026-06-04) |
Williams Canada Propylene ULC |
| 2026-05-07 | Letter acknowledging receipt of an incomplete application for leave to appeal, FILE OPENED | |
| 2026-05-05 | Book of authorities, (Book Form), Completed on: 2026-05-05, (Printed version filed on 2026-05-06) | North American Polypropylene ULC |
| 2026-05-05 | Certificate (on limitations to public access), (Letter Form), 23B, (Printed version filed on 2026-05-06) | North American Polypropylene ULC |
| 2026-05-05 | Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-05-06) | North American Polypropylene ULC |
| 2026-05-05 | Notice of name, (Letter Form), (Printed version filed on 2026-05-06) | North American Polypropylene ULC |
| 2026-05-05 |
Application for leave to appeal, (Book Form), Missing Amended notice of application (File number) (Rec'd 2026-05-07), Completed on: 2026-05-07, (Printed version filed on 2026-05-06) |
North American Polypropylene ULC |
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
| Name | Role | Status |
|---|---|---|
| North American Polypropylene ULC | Applicant | Active |
v.
| Name | Role | Status |
|---|---|---|
| Williams Canada Propylene ULC | Respondent | Active |
| Williams Energy Canada ULC, the Williams Companies Inc. and InterPipeline Ltd. | Respondent | Active |
Counsel
Party: North American Polypropylene ULC
Counsel
Scott Rollwagen
Bonnie Greenaway
130 Adelaide Street West
Suite 2600
Toronto, Ontario
M5H 3P5
Telephone: (416) 865-2940
Email: mlerner@litigate.com
Agent
50 O'Connor Street
Suite 1313
Ottawa, Ontario
K1P 6B9
Telephone: (613) 702-5566
FAX: (613) 702-5566
Email: DBosse@juristespower.ca
Party: Williams Canada Propylene ULC
Counsel
Olivia C. Dixon
Erin Bower
Suite 2700, Brookfield Place
225 - 6th Avenue S.W.
Calgary, Alberta
T2P 1N2
Telephone: (403) 260-7000
FAX: (403) 260-7024
Email: mkilloran@osler.com
Agent
Suite 320, 100 Queen Street
World Exchange Plaza
Ottawa,, Ontario
K1P 1J9
Telephone: (613) 787-1102
FAX: (416) 862-6666
Email: SCCAgent@osler.com
Party: Williams Energy Canada ULC, the Williams Companies Inc. and InterPipeline Ltd.
Counsel
Olivia C. Dixon
Erin Bower
Suite 2700, Brookfield Place
225 - 6th Avenue S.W.
Calgary, Alberta
T2P 1N2
Telephone: (403) 260-7000
FAX: (403) 260-7024
Email: mkilloran@osler.com
Agent
Suite 320, 100 Queen Street
World Exchange Plaza
Ottawa,, Ontario
K1P 1J9
Telephone: (613) 787-1102
FAX: (416) 862-6666
Email: SCCAgent@osler.com
Summary
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Summary
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Lower court rulings
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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
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Related links
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
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Related links
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