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Amarin Sinks to Five-Month Low After Losing Ruling on Heart Drug

  • Company’s loss opens the door to generic-drug competition
  • Ruling came just one day after appeals court heard arguments
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Amarin Corp. fell to the lowest since March after it lost its bid to revive patents on the heart medicine Vascepa, its only product, a decision that opens the door to generic competition for the drug.

The U.S. Court of Appeals for the Federal Circuit in Washington affirmed a trial court ruling that invalidated six patents on Vascepa. The decision, made without a formal opinion, came just one day after the court heard arguments in the case.