Tagged as: filgrastim

Sandoz Initiates Declaratory Judgment Action Against Amgen Concerning Manufacturing of Filgrastim and Pegfilgrastim Biosimilars

On February 21, 2019, Sandoz initiated a lawsuit against Amgen in the Northern District of California seeking a declaration that its biosimilar filgrastim and pegfilgrastim products do not infringe the Amgen’s ’997 patent. The ’997 patent relates to a method of protein purification and is in the same patent family…

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Tanvex’s New Drug Submission for Filgrastim Biosimilar to Health Canada

BioSimilars Patent Dance

Last October, we reported that Taiwan-based Tanvex BioPharma (“Tanvex”) announced that it had submitted a BLA to the FDA seeking approval of TX-01, a proposed biosimilar referencing Neupogen® (filgrastim) indicated for chemotherapy induced neutropenia. Last November, the FDA accepted Tanvex’s BLA for its filgrastim biosimilar. This week Tanvex has submitted a New Drug Submission (NDS) to…

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Litigation Update: Case Management Statement in Amgen v. Sandoz (filgrastim, pegfilgrastim)

The parties in Amgen v. Sandoz (N.D. Cal.) (filgrastim and pegfilgrastim) have submitted a joint case management statement regarding the two pending cases between the parties: Case No. 3:14-cv-04741-RS (accused product: Zarxio® (filgrsatim-sndz), which Sandoz launched in September, 2015) and Case No. 3:16-cv-02581-RS (accused product: pegfilgrastim (biosimilar to Amgen’s Neulasta®). The parties…

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