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Majority of Federal Circuit appears ready to reconsider claim construction standard of review

Today the Federal Circuit denied rehearing en banc in Amgen, Inc. v. Hoechst Marion Roussel, Inc., a case dealing with synthetic human erythropoietin, a protein that stimulates red blood cell production. In order to rehear a case en banc, a majority of active judges on the court must vote to rehear the case. There are […]

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Federal Circuit reverses claim construction but affirms infringement

Abraxis Bioscience (formerly AstraZeneca) is the holder of three patents on an improved formulation of an anesthetic, DIPRIVAN?. Prior formulations had the problem of increasing postoperative infections. The inventors discovered that by adding disodium edetate as an antimicrobial agent. This addition allowed DIPRIVAN? to be administered for up to 24 hours without a significant increased […]

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