Regarding the threshold requirement, what constituent elements should the judge consider in determining whether a proceeding “arises from” an expression — Regarding the merits-based burden, what must the responding party show to establish that the proceeding has “substantial merit” and the moving party has “no valid defence” under s. 137.1(4)(b) of the Courts of Justice Act — Regarding the public interest hurdle, what must the responding party show to establish the harm suffered or is likely to be suffered is sufficiently serious that public interest in the proceeding continuing outweighs the public interest in the expression under s. 137.1(4)(b) — Appeal dismissed 09/10/2020 — Supreme Advocacy acted as agents for the Applicant.

2020 SCC 22