Cubist Pharma., Inc. v. Hospira, Inc., No. 15-1197 (Fed. Cir. 2015)
Annotate this CaseCubist Pharmaceuticals owns five follow-on patents that relate to the antibiotic daptomycin, which it sells under the name Cubicin. Hospira sought authorization to sell a generic version of Cubist’s daptomycin product, which led Cubist to file suit charging Hospira with patent infringement (Hatch-Waxman Act, 21 U.S.C. 355 and 35 U.S.C. 156 and 271(e)(2). The district court held, and the Federal Circuit affirmed, that some of the asserted claims of four of Cubist’s patents were invalid for anticipation and all the asserted claims of those patents sdfd invalid for obviousness. As for the fifth patent, the court held the two asserted claims not invalid and ruled that Hospira’s proposed products infringed those claims.
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