Adams sues Perrigo
This article was originally published in The Tan Sheet
Executive Summary
Adams Respiratory Therapeutics filed suit Sept. 27 in U.S. District Court for the District of New Jersey against Perrigo, alleging infringement of Adams' '252 patent for the Mucinex line of extended-release guaifenesin products. The lawsuit responds to the private labeler's filing of a Paragraph IV certification for an ANDA for a 600 mg guaifenesin tablet, equivalent to single-ingredient Mucinex, and initiates a 30-month stay, preventing FDA from approving Perrigo's product unless a court rules against Adams or that period expires (1"The Tan Sheet" Aug. 27, 2007, p. 12)...