Legal Opinion
Adams Respiratory Therapeutics, Inc. v. Perrigo Co.
Court of Appeals for the Federal Circuit
Decided October 6, 2010No. 2010-1246PublishedCited by 66 opinions
1Opinion of the Court
MOORE, Circuit Judge.
Adams Respiratory Therapeutics, Inc. (Adams) appeals the judgment of the district court that the guaifenesin product described in Perrigo Co.’s (Perrigo’s) Abbreviated New Drug Application (ANDA) would not infringe the asserted claims of U.S. Patent No. 6,372,252 (the '252 patent). Because the court based its judgment of noninfringement on an erroneous claim construction, we vacate and remand.
Background
Guaifenesin is an expectorant used to thin, loosen, and help expel mucus that causes congestion. It was first approved by the Food and Drug Administration (FDA) in 1952.…
2Cases cited13 opinions
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