Immunex, Amgen Fight Back In AWP Spat

Law360, New York (September 27, 2010, 7:51 PM EDT) -- Immunex Corp. and Amgen Inc. have countersued Employers Insurance Co. of Wausau in an attempt to recover costs from defending a multidistrict litigation over average wholesale price drug schemes.

Immunex and Amgen filed their counterclaim Friday in the U.S. District Court for the Northern District of California, seeking reimbursement and punitive damages against the insurer, who the companies say failed in its duty to defend the AWL litigation.

The countersuit accuses the insurer of acting in bad faith and wrongfully denying coverage, forcing the drugmaker to...
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