When Jane is telling Grayson about seeing him in the coffee shop after she died, she said that the song "No One" by Alicia Keys was playing and he said "That was our song" but in the episode "Lost and Found" (s1e5) Grayson told Kim that "Lucky" by Jason Mraz and Colbie Callait was Grayson and Deb's song.
It is stated that Owen was the judge during Michael's case eight years ago, however Owen was first sworn in as a judge three seasons prior, during s3e10 "Toxic."