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Thursday, December 7, 2023
Courthouse News Service
Thursday, December 7, 2023 | Back issues
Courthouse News Service Courthouse News Service

OxyContin Patent

MANHATTAN - Though Amneal Pharmaceuticals infringed on Purdue Pharma's patent with its generic version of the blockbuster drug OxyContin, Purdue's patent is invalid for obviousness, a federal judge ruled, echoing a January ruling for Teva.

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