Whether the Third Circuit erred in dismissing Petitioner's appeal for lack of jurisdiction under 28 U.S.C. § 1291 without remanding to the district court where the dismissal was based on the absence of a final order

Whether the Third Circuit erred in dismissing Petitioner's appeal for lack of jurisdiction under 28 U.S.C. § 1291—without remanding to the district court —where the dismissal was based on the absence of a final order, despite Petitioner's argument that his case involved an appealable interlocutory issue or required further proceedings below.