- Parties: The appellant was Leo Pretty Young Man. The respondent was Adrian Stimson Sr., Chief of the Siksika Nation, on Behalf of Himself and All Other Members of the Siksika Nation, Attorney General of Canada, and Her Majesty the Queen Right of Canada. 

- Subject Matter: This appeal sought to overturn an order granting Siksika Nation's motion for the approval of a settlement agreement, discontinuing the action brought by the Estate of Florence Backfat (T-365-01), and discontinuing the following actions with respect to Siksika Nation: Adrian Stimson Sr. et al v Attorney General of Canada (T-4242-71), Leo Youngman et al v Her Majesty the Queen (T-1067-87), Adrian Stimson Sr. et al v Attorney General of Canada (T-365-01), Adrian Stimson Sr. et al v Her Majesty the Queen (T-366-01), Adrian Stimson Sr. et al v Attorney General of Canada (T-368-01), and Adrian Stimson Sr. et al v Attorney General of Canada (T-370-01). The appeal alleged that the Federal Court erred in failing to consider that a representative action under r. 114 of the Federal Courts Rules could include both collective claims and individual claims. This case is ongoing. 

- Date: The hearing was set on Mar. 3, 2025. 

- Venue: This was a federal case before the Federal Court. 

- Amount: No financial award was specified.