Judge quashes Alberta separation petition in favour of First Nations
What the judge decided
Justice Shaina/Sheila Leonard (reported with both first names across outlets) found:
The referendum petition process was unconstitutional because it lacked mandatory Indigenous consultation.
The Chief Electoral Officer made an error of law by approving the petition despite an earlier ruling that Alberta separation would violate Treaty rights.
This failure rendered the approval “unreasonable” and invalid.
The ruling immediately halts the separatist group Stay Free Alberta from moving forward with its referendum question.

Why First Nations challenged it
Several First Nations—including Athabasca Chipewyan First Nation, Blood Tribe, Piikani Nation, and Siksika Nation—argued that:
Alberta’s referendum law does not require consultation, making it unconstitutional.
Any move toward separation would directly violate Treaty rights.
The judge agreed that the Crown (the Alberta government) failed its duty to consult before allowing the petition to proceed.

What happens to the 302,000 signatures?
The separatist group had submitted nearly 302,000 signatures, well above the 178,000 threshold.
But because the petition itself was ruled invalid, the signatures cannot trigger a referendum.
A previous court order had already paused verification while the legal challenge was underway.

Political implications
Premier Danielle Smith had said that if the petition met requirements, the question would go on the October 19 referendum ballot. That is now off the table unless the province rewrites legislation and restarts the process.
The ruling strengthens the position of First Nations asserting that Treaty rights cannot be bypassed in any constitutional or sovereignty process.
A pro‑federalist petition (“Forever Canadian”) had already been verified with 400,000+ signatures, but this ruling does not affect that one.

Bottom line
The court has effectively shut down Alberta’s separation referendum effort, ruling that the province breached its constitutional obligations to First Nations and that the petition’s approval was legally invalid.