Defense attorneys in a copyright-infringement lawsuit asked a judge Monday to block their opposing counsel from appearing in federal court in Chicago based on an alleged pattern of rule-breaking in trial courts around the country. In a written filing, Locke Lord LLP attorneys Joshua M. Fliegel and Matthew T. Furton argued a motion for leave to appear pro hac vice brought by Richard P. Liebowitz of Liebowitz Law Firm PLLC in Valley Stream, N.Y., should be denied. Liebowitz represents photographer Angel Chevrestt, who …