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Chugai

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  1. 2021

    Fresenius filed patent review petitions challenging rheumatoid arthritis patents

    Fresenius Kabi USA and Fresenius Kabi SwissBioSim filed Inter Partes Review petitions challenging two patents assigned to Chugai, Roche, and Genentech, asserting that the relevant claims were invalid as anticipated or obvious. These are allegations in the petitions, not a reported decision on their merits.

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