This document is a court opinion dismissing an ERISA claim brought by an employee health plan and employer against a hospital and medical college. The plan sought to recover alleged overpayments for medical treatment provided to a plan participant's child. The court found that the plan failed to establish an equitable lien against the defendants as required for relief under ERISA section 502(a)(3). The court allowed supplemental briefing on whether the plan has a viable federal common law unjust enrichment claim to establish jurisdiction.