Vascepa patents prove slippery fish to catch

31 March 2020

Fish oil-based drug Vascepa (icosapent ethyl) could make a smaller splash than Amarin (Nasdaq: AMRN) had hoped, after a US court nixed part of its patent estate.

In pre-market trading, shares in the company plummeted nearly 70%.

Asserting the claims were “invalid as obvious,” a district court judge in Nevada ruled that six patents, due to expire in 2030, were invalid.

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