Legal Opinion
Amgen Inc. v. Coherus Biosciences Inc.
Court of Appeals for the Federal Circuit
Decided July 29, 2019No. 2018-1993PublishedCited by 28 opinions
1Opinion of the Court
Stoll, Circuit Judge.
*1156 Amgen Inc. and Amgen Manufacturing Ltd. (collectively, "Amgen") sued Coherus BioSciences Inc. for patent infringement in the District of Delaware. The district court dismissed Amgen's complaint for failure to state a claim, and Amgen appeals. Because prosecution history estoppel bars Amgen from succeeding on its infringement claim under the doctrine of equivalents, we affirm the order of the district court.
BACKGROUND
I
Recombinant therapeutic proteins are a class of biologic medicines that are manufactured inside living cells. Before a protein can be therapeutically…
2Cases cited7 opinions
- Southwall Technologies, Inc. v. Cardinal Ig CompanyCourt of Appeals for the Federal Circuit · 1995
- Sands v. McCormickCourt of Appeals for the Third Circuit · 2007
- McZeal v. Sprint Nextel Corp.Court of Appeals for the Federal Circuit · 2007
- Conoco, Inc. v. Energy & Environmental International, L.C.Court of Appeals for the Federal Circuit · 2006
- PODS, Inc. v. Porta Stor, Inc.Court of Appeals for the Federal Circuit · 2007
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3Cited by28 opinions
- Eagle Pharmaceuticals Inc. v. Slayback Pharma LLCCourt of Appeals for the Federal Circuit · 2020
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- Agilent Technologies, Inc. v. Axion Biosystems, Inc.District Court, D. Delaware · 2025
- Almirall, LLC v. Torrent Pharmaceuticals Ltd.District Court, D. Delaware · 2021
- Amgen Inc. v. Coherus Biosciences Inc.District Court, D. Delaware · 2020
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