(September 24, 2015, 1:23 PM EDT) -- CHICAGO — An Illinois federal judge on Sept. 22 granted in part and denied in part several motions to exclude expert testimony in a trademark infringement lawsuit concerning Black & Decker Corp.’s DeWalt line of power tools (The Black & Decker Corp., et al. v. Positec USA Inc. and RW Direct Inc., No. 11-5426, N.D. Ill.; 2015 U.S. Dist. LEXIS 127193)....