Tagged as: Amgen

Amgen Drops Assertion of One Patent Against Mylan in Pegfilgrastim Biosimilar Litigation; One Patent Remains

As we previously reported, in the Amgen v. Mylan litigation concerning Mylan’s FULPHILA (pegfilgrastim-jmdb), a biosimilar of NEULASTA, Amgen has asserted that Mylan infringes two protein purification process patents: U.S. Patent Nos. 8,273,707 and 9,643,997. Early this month, the district court requested the parties’ positions with regard to the ’707…

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Federal Circuit Declines to Block Sales of Amgen’s KANJINTI (trastuzumab-anns) Before Resolving Genentech’s Appeal

As we previously reported, Genentech has appealed the Delaware district court’s denial of its preliminary injunction motion that sought to bar sales of Amgen’s KANJINTI (trastuzumab-anns) biosimilar in the United States.  In conjunction with its appeal, Genentech also asked the Federal Circuit (1) to issue an injunction against Amgen pending…

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BREAKING NEWS: Federal Circuit Affirms Coherus Victory Over Amgen in Pegfilgrastim Patent Dispute

As we previously reported, last year Amgen appealed a Delaware district court’s decision dismissing Amgen’s patent infringement complaint under the BPCIA against Coherus on the ground that Coherus’s biosimilar of NEULASTA (pegfilgrastim) could not be found to infringe Amgen’s patent under the doctrine of equivalents (Amgen’s only asserted basis for…

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Court Denies TRO/PI in Genentech v. Amgen; Amgen Announces Launch

As we previously reported, on July 10, 2019, Genentech filed  motions for a temporary restraining order and preliminary injunction against Amgen in the Genentech v. Amgen BPCIA litigation related to Amgen’s trastuzumab biosimilar KANJINTI™ (trastuzumab-anns).  Yesterday, the District Court denied Genentech’s motions and lifted the standstill order given during the…

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Amgen petitions for rehearing en banc following Federal Circuit decision

On June 7, 2019, Amgen filed a petition for rehearing en banc of the Federal Circuit’s recent affirmance of summary judgment of non-infringement in favor of Sandoz in the BPCIA litigation regarding Sandoz’s ZARXIO (filgrastim-sndz) biosimilar and pegfilgrastim biosimilar candidate.  As we previously reported, on May 8, 2019, a Federal…

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Fresenius Kabi Files a Petition For Inter Partes Review of Amgen’s Pegfilgrastim Patent

On June 8, 2019, Fresenius Kabi filed a petition for inter partes review challenging the validity of U.S. Patent No. 9,643,997, entitled “Capture purification processes for proteins expressed in a non-mammalian system.”  The challenged claims in the patent, owned by Amgen Inc., relate to processes for purifying recombinant proteins expressed in a…

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