"In the wake of the appellate decision there still remains uncertainty about the extent to which one artist’s use of another artist’s imagery in creating a follow-on work is protected from a copyright lawsuit"

"Moreover, it remains unclear—when there is a suit—what sort of evidence a court must consider in refereeing the dispute ...."

Michael Straus, Chairman of the Warhol Foundation, on where we are after Prince-Cariou.

I agree.