Amgen Inc. and Immunex Corporation

Amgen settled antitrust charges that its proposed $16 billion acquisition of Immunex Corporation would reduce competition and tend to create a monopoly in the biopharmaceutical markets for neutrophil (white blood cell) regeneration factors; tumor necrosis factor (TNF) inhibitors; and interleukin-1 (IL-1) inhibitors. The consent order requires the firms to sell all of Immunex's assets related to Leukine -a neutrophil regeneration factor -to Schering AG; license certain intellectual property rights to TNF inhibitors to Serono S.A.; and license certain intellectual property rights related to IL-1 inhibitors to Regeneron Pharmaceuticals Inc.