Impax Fights Patent Suit Over Pain Reliever
The lawsuit, filed in the U.S. District Court for the District of Delaware, alleges patent infringement related to Impax's filing of an Abbreviated New Drug Application for a generic version of Opana ER.
Impax is seeking to produce an oxymorphone hydrochloride extended-release tablets, a generic version of Opana ER. The morphine-like drug is a pain reliever typically prescribed for those who...
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