Shire Pharmaceuticals has confirmed that it is in preliminary talks with a rival generic drug company to settle litigation over its hyperactivity drug Adderall. News of the talks instantly sent Shire shares higher. Shire has been involved in litigation with Barr Pharmaceuticals, which is looking to release a generic version of Adderall. Shire has said it will defend its patent on Adderall until it expires in 2018, but now says it won't rule out a deal that opens the way to a cheaper medication prior to that.
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