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Amgen Rises 12.9% on Patent News

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Biotech Amgen (AMGN) - Get Amgen Inc. Report was up 12.9% on Instinet, following news after the close Friday that it won a patent fight against Transkaryotic (TKTX) for its popular anemia treatment, Epogen. Transkaryotic, with backing from Aventis, had developed an alternative production method. Transkaryotic, whose shares were down 35.5% recently, is expected to appeal the ruling.

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