The jurisdictional question that generated a 4-to-3 split in the Illinois Supreme Court on whether sovereign immunity barred Kalev Leetaru’s Champaign County lawsuit against the University of Illinois was whether the officer-suit exception to the State Lawsuit Immunity Act applied to a complaint that requested an injunction against “an arm of the state” for alleged failure to comply with nondiscretionary regulations.Leetaru, a doctoral student in the university’s graduate school of library and …