Cook

MONTREAL—Quebecor World U.S.A. and its parent company, Quebecor World, have filed suit against RR Donnelley and three former employees now working for the Chicago-based printer, alleging trade secrets violations. The suit was filed in the Circuit Court of Cook County, IL. Quebecor World is seeking an injunction preventing Donnelley and the former Quebecor World employees from using or disclosing its trade secrets, and other relief. Quebecor World says it intends to prosecute the action aggressively. In a statement, Quebecor World noted it would have no further comment. A representative at RR Donnelley said the company was still reviewing the suit and did not have any