An attorney hoping to represent what he said was nearly 400,000 plaintiffs told a Philadelphia federal judge Thursday that customers accusing a Zions Bancorp subsidiary of complicity in a fraudulent telemarketing scheme warranted class certification, reports Matt Fair in today’s Law 360 article, Telemarketing Scam Victims Seek Class Cert. Against Zions.Howard Langer presented oral arguments on a class certification motion before U.S. District Judge Juan Sanchez.