Supernus Pharmaceuticals recently announced receiving Paragraph IV Notice Letters from third parties who have submitted Abbreviated New Drug Applications (ANDAs) for viloxazine extended-release capsules in 100, 150, and 200 mg doses. The company plans to rigorously defend its intellectual property rights regarding Qelbree, which is currently protected by six U.S. patents listed in the FDA's Orange Book. These patents are set to expire between September 2029 and April 2035.
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