Mealey's (June 18, 2021, 10:12 AM EDT) -- PASADENA, Calif. — A trial court used the incorrect standard and did not properly consider all the evidence when it reversed a jury verdict that found that a song by pop singer Katy Perry made infringing use of an ostinato from a Christian rap song, the recording artist tells the Ninth Circuit U.S. Court of Appeals in a May 19 reply brief....