In response to the volume of information parties must review and produce in modern litigation (especially electronically stored information, or ESI), the Supreme Court and Congress added a federal rule of evidence in 2008 which permits parties to “claw back” attorney work-product or attorney-client privileged information inadvertently produced during discovery.In 2013, Illinois followed suit and amended Supreme Court Rule 201(p) to require the return of inadvertently produced privileged information and added …