The U.S. Court of Appeals for the Federal Circuit on Tuesday, May 14, in a precedential opinion, dismissed an appeal by Puritan Medical Products of a district court denial of its partial motion to dismiss a patent infringement case brought by Copan Italia S.p.A and Copan Diagnostics Inc. The case involved “flocked” swabs “for collecting biological specimens.” The claims cover “a rod [with] a tip covered with fiber with hydrophilic properties” that can absorb biological specimens.  Copan holds several patents on flocked swabs and methods of using them.

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