California Sues Chase Over Debt Collection Practices on Credit Cards | LowCards.comCalifornia Attorney General Kamala Harris filed an enforcement action against JPMorgan Chase last Thursday, alleging that the bank used illegal debt collection methods, such as robo-signing, against approximately 100,000 California credit card consumers from January 2008 through April 2011. “Chase abused the judicial process and engaged in serious misconduct against California credit card borrowers,” Attorney General Harris said.