Adams Respiratory Sues Perrigo Over Mucinex Patent

Law360, New York (September 27, 2007, 12:00 AM EDT) -- Adams Respiratory Therapeutics Inc. on Thursday filed suit against Perrigo Co., claiming the generic maker’s abbreviated new drug application for a generic version of Mucinex infringes its patent for the drug.

Adams filed a complaint in the U.S. District Court for the District of New Jersey after Perrigo informed the company that it had submitted an ANDA to the U.S. Food and Drug Administration. The ANDA seeks approval to manufacture and sell 600 mg extended-release single-ingredient guaifenesin, the generic equivalent of Adams’ Mucinex SE.

Perrigo’s ANDA...
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