hether we have jurisdiction to review the district court's order denying the Plaintiffs' motion for leave to amend their complaint. See Petereit v. S.B. Thomas, Inc., 63 F.3d 1169, 1175 (2d Cir. 1995), cert. denied, 134 L. Ed. 2d 520, 116 S. Ct. 1351 (1996). This Court's jurisdiction is defined by statute

hether we have jurisdiction to review the district court's order denying the Plaintiffs' motion for leave to amend their complaint. See Petereit v. S.B. Thomas, Inc., 63 F.3d 1169, 1175 (2d Cir. 1995), cert. denied, 134 L. Ed. 2d 520, 116 S. Ct. 1351 (1996). This Court's jurisdiction is defined by statute