In Kifafi v. Hilton Hotels Retirement Plan, — F.3d —, No. 11-7113, 2012 WL 6216631 (D.C. Cir. Dec. 14, 2012), the D.C. Circuit affirmed a judgment holding that Hilton violated ERISA’s anti-backloading provisions, despite a subsequent amendment purporting to cure the violation in response to plaintiffs’ claims. Under the terms of the pre-1999 plan,…