In a blow to its biggest rev­enue dri­ver, In­di­v­ior los­es patent bat­tle with gener­ics mak­er Alvo­gen

British drug­mak­er In­di­v­ior watched its stock tum­ble Fri­day morn­ing fol­low­ing news that it lost a patent dis­pute with a ri­val gener­ics drug­mak­er, com­pro­mis­ing In­di­v­ior’s grip …

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