Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
On May 14, 2025, HyClone Laboratories, LLC (“HyClone”) filed a Motion to Quash in the U.S. District Court for the District of Utah, seeking to quash Amgen Inc.’s (“Amgen”) subpoena to HyClone issued in Amgen’s denosumab BPCIA...more
On February 4, 2025, HyClone Laboratories, LLC (“HyClone”), a cell culture media supplier, filed a Motion to Quash a subpoena issued by Amgen, Inc. (“Amgen”). The underlying subpoena was issued in Amgen’s ongoing denosumab...more
As we previously reported, Amgen sued Pfizer and its affiliate Hospira in July 2018 based on Hospira’s submission of an aBLA for a biosimilar of NEULASTA (filgrastim). That same month, Pfizer obtained FDA-approval and, in...more
As we have previously reported, on July 25th, Coherus filed a motion to stay discovery pending the result of its motion to dismiss in its litigation against Amgen regarding pegfilgrastim, and Amgen filed an opposition on...more
Earlier this week Coherus filed a motion to stay the BPICA litigation brought by Amgen in the District of Delaware, arguing that in light of the FDA’s complete response letter delaying the launch of Coherus’ pegfilgrastim...more
In a recent hearing held in Amgen v. Hospira, the parties offered arguments on some novel issues relating to litigation under the BPCIA, particularly: - ..Whether a reference product sponsor (“RPS”) can compel a...more