On October 4, 2024, Amgen filed a BPCIA complaint in the District Court for the Northern District of Illinois Eastern Division against Fresenius Kabi related to Fresenius Kabi’s proposed biosimilar of Amgen’s PROLIA and XGEVA. This is the fourth BPCIA litigation regarding denosumab, following Amgen’s litigations against Sandoz, Celltrion, and…