Mealey's (May 18, 2018, 9:24 AM EDT) -- WASHINGTON, D.C. — The heirs of a famous rock concert promoter claim that an appeals court used the incorrect standard in determining the ownership of copyrights in concert posters that were created as a work-for-hire, they argue in an April 23 petition for certiorari with the U.S. Supreme Court, seeking reversal and remand to pursue infringement and conversion claims (Alexander Graham-Sult, et al., v. Nicholas Clainos, No. 17-1465, U.S. Sup.)....