As a general rule, an asset purchaser does not assume the seller’s liabilities, including its ERISA obligations. Courts, however, have formulated an exception to this general rule via the doctrine of successor liability.  Successor liability is an equitable doctrine requiring a court to “strike a proper balance between on the one hand preventing wrongdoers from escaping liability and on the other hand facilitating the transfer of corporate assets to their most valuable uses.” EEOC v.…