Case information
Consult our database for details on a Supreme Court of Canada case.
42395
Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin, et al. v. Barrick Mining Corporation formerly known as Barrick Gold Corporation, et al.
(Ontario) (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) |
|---|---|---|
| 2026-08-21 | Applicant's reply to respondent's argument, (Book Form), Completed on: 2026-08-26, (Printed version filed on 2026-08-24) | Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin |
| 2026-08-11 | Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-08-13) | Barrick Mining Corporation formerly known as Barrick Gold Corporation |
| 2026-08-11 | Notice of name, (Letter Form), (Printed version filed on 2026-08-13) | Barrick Mining Corporation formerly known as Barrick Gold Corporation |
| 2026-08-11 | Respondent's response on the application for leave to appeal, (Book Form), Completed on: 2026-08-17, (Printed version filed on 2026-08-13) | Barrick Mining Corporation formerly known as Barrick Gold Corporation |
| 2026-06-15 | Lower court order - e-filing, (Letter Form), TC Judgment, (Printed version filed on 2026-07-15) | Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin |
| 2026-06-11 | Letter acknowledging receipt of an incomplete application for leave to appeal, FILE OPENED | |
| 2026-06-11 | Book of authorities, (Book Form), Completed on: 2026-06-11, (Printed version filed on 2026-07-15) | Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin |
| 2026-06-08 | Certificate (on limitations to public access), (Letter Form), 23A, (Printed version filed on 2026-07-15) | Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin |
| 2026-06-08 |
Application for leave to appeal, (Book Form), Missing: -Signed Trial Court reasons (Received on June 14, 2026), Completed on: 2026-07-15, (Printed version filed on 2026-07-15) |
Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin |
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 |
|---|---|---|
| Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin | Applicant | Active |
| Anacretus Maringo Gimanwa, Esta George Range, in her personal capacity and as litigation guardian for her minor children Joseph, Godfrey, Filemon and Rebeka | Applicant | Active |
| Elizabeth Matiko Irondo, Neema Stephen John, in her personal capacity and as litigation guardian for her minor children John, Miriam, Esta and Timothy, Maswi Marwa Mohabe | Applicant | Active |
| Dotto William Itama, in her personal capacity and as litigation guardian for her minor child Christina, Lyimo Itama Machela, Itama Machela Max, Charles Daniel Nyakina, Bhoke Hagale Maro | Applicant | Active |
| Daniel Nyakina Ghati, Dickson Julius Sise, Sibora Marwa Mwita, Emmanuel Nyakorenga Mburi, Ryoba Elias Kebwe, Pasco Marembela Mwita, Nyaheli Marwa Nyakorenga | Applicant | Active |
| Christopher Jhomu Makende, Range Mwita Range, and Fredy Chacha Wambura Lema | Applicant | Active |
v.
| Name | Role | Status |
|---|---|---|
| Barrick Mining Corporation formerly known as Barrick Gold Corporation | Respondent | Active |
And Between
| Name | Role | Status |
|---|---|---|
| Ester Nyangi Petro, in her personal capacity and as litigation guardian for her minor child Lucia | Applicant | Active |
| Leonida Ruben Joshua, in her personal capacity and as litigation guardian for her minor children Machugu, Neema, and Daniel | Applicant | Active |
| Abel Saima Machugu Nyamarungu, Clemensia Protas Marwa, Machera Kimira W Anka, Charles Ikaya Mgaya, Maheri Mwita Ntora, and Charles Mwita Mseti | Applicant | Active |
v.
| Name | Role | Status |
|---|---|---|
| Barrick Mining Corporation formerly known as Barrick Gold Corporation | Respondent | Active |
Counsel
Party: Sophia Matiko John, in her personal capacity and as litigation guardian for her minor child, Kelvin
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Anacretus Maringo Gimanwa, Esta George Range, in her personal capacity and as litigation guardian for her minor children Joseph, Godfrey, Filemon and Rebeka
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Elizabeth Matiko Irondo, Neema Stephen John, in her personal capacity and as litigation guardian for her minor children John, Miriam, Esta and Timothy, Maswi Marwa Mohabe
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Dotto William Itama, in her personal capacity and as litigation guardian for her minor child Christina, Lyimo Itama Machela, Itama Machela Max, Charles Daniel Nyakina, Bhoke Hagale Maro
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Daniel Nyakina Ghati, Dickson Julius Sise, Sibora Marwa Mwita, Emmanuel Nyakorenga Mburi, Ryoba Elias Kebwe, Pasco Marembela Mwita, Nyaheli Marwa Nyakorenga
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Christopher Jhomu Makende, Range Mwita Range, and Fredy Chacha Wambura Lema
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Ester Nyangi Petro, in her personal capacity and as litigation guardian for her minor child Lucia
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Leonida Ruben Joshua, in her personal capacity and as litigation guardian for her minor children Machugu, Neema, and Daniel
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Abel Saima Machugu Nyamarungu, Clemensia Protas Marwa, Machera Kimira W Anka, Charles Ikaya Mgaya, Maheri Mwita Ntora, and Charles Mwita Mseti
Counsel
Jen Winstanley
W. Cory Wanless
Patti Shedden
400 - 856 Homer Street
Vancouver, British Columbia
V6B 2W5
Telephone: (604) 689-7555
FAX: (604) 689-7554
Email: jfiorante@cfmlawyers.ca
Agent
331 Somerset Street West
Ottawa, Ontario
K2P 0J8
Telephone: (613) 282-1712
FAX: (613) 288-2896
Email: msobkin@sympatico.ca
Party: Barrick Mining Corporation formerly known as Barrick Gold Corporation
Counsel
Steven G. Frankel
155 Wellington Street West
37th Floor
Toronto, Ontario
M5V 3J7
Telephone: (416) 863-9000
FAX: (416) 863-0871
Email: kentthomson@dwpv.com
Agent
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
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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.
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Lower court rulings
See file
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
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
Not available
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