Three recent cases from Illinois courts of review all favored plaintiffs on a range of issues worth noting for defense practitioners.In Johnson v. Armstrong, 2022 IL 127942, the Illinois Supreme Court, after contending with a jurisdictional issue that built on its decision in Armstead v. National Freight, discussed in this space on Dec. 22, 2021, and exercising its supervisory authority, addressed application of res ipsa loquitur in the context of a nerve palsy following a hip replacement that the plaintiff’s expert …