Mealey's (February 14, 2018, 9:09 AM EST) -- MADISON, Wis. — A law firm operating as a debt collector and accused of failing to redact a defendant’s credit score when filing its complaint against her may not invoke an arbitration clause between the debtor and the credit card company after the debtor filed a class complaint because the firm lost its status as a third-party co-defendant when the credit card company was dismissed from the case, a Wisconsin federal judge ruled Feb. 12 (Sasha Rizzo, et al. v. Kohn Law Firm, S.C., No. 17-408, W.D. Wis., 2018 U.S. Dist. LEXIS 22105)....