(December 14, 2017, 1:45 PM EST) -- SAN FRANCISCO — Two sons of the late concert promoter Bill Graham were properly ordered by a California federal judge to reimburse the attorney fees incurred by four copyright infringement defendants, the Ninth Circuit U.S. Court of Appeals ruled Dec. 13 (Alexander Graham-Sult, et al., v. Nicholas Clainos, et al., Nos. 15-17204, 16-16768, - 17083, 9th Cir., 2017 U.S. App. LEXIS 25187)....