Mealey's (March 9, 2018, 8:46 AM EST) -- LOS ANGELES — A purported assignment of the “Ratt” trademarks in 1997 was declared invalid March 6 by a California federal judge, in what marks a win for the original founding member of the famed 1980s heavy metal band (WBS Inc. v. Stephen Pearcy, No. 16-3495, C.D. Calif., 2018 U.S. Dist. LEXIS 36640)....