United States Court of Appeals for the Federal Circuit ______________________ July 2, 2018 ERRATUM ______________________ Appeal No. 2017-2020 IMPAX LABORATORIES INC., ASTRAZENECA AB, ASTRAZENECA UK LIMITED, Plaintiffs-Appellees v. LANNETT HOLDINGS INC., LANNETT COMPANY INC., Defendants-Appellants ______________________ Decided: June 28, 2018 Precedential Opinion ______________________ Please make the following change: On page 2, line 7, U.S. Patent 6,760,237 is changed to U.S. Patent 6,750,237.