Williams v. Nova Scotia (Attorney General)

Williams v. Nova Scotia (Attorney General)

Affidavits filed in support of a class certification motion must contain admissible evidence; hearsay may be admitted only where permitted and the source and deponent's belief are identified; opinion evidence requires a properly qualified expert; the "some basis in fact" standard for certification must be met using...

Source-derived case information.

Citation
2025 NSSC 184
Parties
Plaintiff: James Williams; Defendant: The Attorney General of Nova Scotia (Representing his Majesty the King in right of Nova Scotia)
Court
Supreme Court of Nova Scotia
Jurisdiction
Canada
Judgment Date
17 June 2025
Procedural Posture
Class Proceedings Act Certification Motion / Admissibility Decision on Certification Motion (pre Certification)
Outcome
Partial striking of affidavit material: affidavit of Zoë Caddell struck in its entirety; affidavit of Dr. Stuart Grassian inadmissible for containing unqualified expert opinion and struck; portions of Emma Arnold's affidavit struck with paragraph 14 remaining admissible.
Legal Topics
Certification, Admissibility of Affidavit Evidence, Hearsay, Expert Evidence, Affidavit Exhibits
Source Language
en
Class Actions Civil Procedure Evidence Law Certification Admissibility of Affidavit Evidence Hearsay Expert Evidence Affidavit Exhibits

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Parties

James Williams

Plaintiff

The Attorney General of Nova Scotia (Representing his Majesty the King in right of Nova Scotia)

Defendant

Procedural Posture

Class Proceedings Act Certification Motion / Admissibility Decision on Certification Motion (pre Certification)

  1. 1 Whether affidavits filed on a certification motion must contain admissible evidence
  2. 2 Whether hearsay may be relied on and under what conditions on a certification motion
  3. 3 Whether opinion evidence may be included without the deponent being qualified as an expert

Ratio Decidendi

Affidavits filed in support of a class certification motion must contain admissible evidence; hearsay may be admitted only where permitted and the source and deponent's belief are identified; opinion evidence requires a properly qualified expert; the "some basis in fact" standard for certification must be met using admissible evidence, and inadmissible portions of affidavits must be struck.

Court Disposition

Partial striking of affidavit material: affidavit of Zoë Caddell struck in its entirety; affidavit of Dr. Stuart Grassian inadmissible for containing unqualified expert opinion and struck; portions of Emma Arnold's affidavit struck with paragraph 14 remaining admissible.

Orders

  • Affidavit of Zoë Caddell struck in its entirety
  • Affidavit of Dr. Stuart Grassian struck as inadmissible to the extent it contains opinion of an unqualified expert