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No Antitrust Violations for Creating and Enforcing Humira Patent Thicket

Last month, Judge Manish Shah of the United States District Court of the Northern District of Illinois dismissed an antitrust complaint brought by indirect purchasers of AbbVie’s blockbuster rheumatoid arthritis drug,...more

Federal Circuit Walks Back Its “Exceptional” Stance on the Doctrine of Equivalents in the Latest Amgen v. Sandoz Decision

In Amgen’s long-running dispute with biosimilar-maker Sandoz over biosimilar versions of Amgen’s filgrastim (Neupogen®) and pegfilgrastim (Neulasta®) biologics, the Federal Circuit earlier this year affirmed summary judgment...more

Prosecution History Estoppel Bars Amgen’s Doctrine-of-Equivalents Infringement Claim Against Neulasta (Pegfilgrastim) Biosimilar...

Amgen Inc. v. Coherus Biosciences Inc., No. 2018-1993, Slip op. at 6 (Fed. Cir. July 29, 2019) stems from a Biologics Price Competition and Innovation Act action brought by Amgen against Coherus seeking FDA approval to market...more

Federal Circuit Invalidates Polynucleotide-Labeling Claims for Lack of Enablement

In Enzo Life Sciences v. Roche Molecular Systems, No. 2017-2498, 2017-2499, 2017-2545, 2017-2546, Slip op. (Fed. Cir. July 5, 2019), the Federal Circuit affirmed summary judgment of invalidity for lack of enablement of Enzo’s...more

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