(July 22, 2016, 1:23 PM EDT) -- CHICAGO — A plaintiff responsible for bringing more than 150 trademark lawsuits across the country was properly rebuffed in its effort to hold a pub and its owner liable for playing unauthorized digital copies of various karaoke tracks, the Seventh Circuit U.S. Court of Appeals ruled July 21 (Slep-Tone Entertainment Corp., et al. v. Danette Rumsey, et al., No. 15-2844, 7th Cir.; 2016 U.S. App. LEXIS 13306)....