On January 25, 2021, the Alberta Court of Appeal (the ABCA) released its reasons in PricewaterhouseCoopers Inc. v Perpetual Energy Inc., 2021 ABCA 16 ( Perpetual Energy). While the issue before the ABCA was of a preliminary nature — namely whether the claims of the trustee in bankruptcy (the Trustee) should be summarily dismissed or struck as not disclosing a cause of action — the legal principles considered by the ABCA extend far beyond the immediate parties and include broader questions around the nature and role of abandonment and reclamation obligations (AROs) after bankruptcy, the scope of a trustee in bankruptcy's duties to third parties, the duties of a director