Illinois Courts’ Treatment of Attorney-Client Privilege with Non-Employees

In Illinois, attorney-client privilege expands in corporate contexts. The “control group” test identifies employees whose communications are protected, and recent rulings have included non-employees. Courts have navigated these complexities, as seen in Sols. Team, Inc. v. Oak St. Health, highlighting agency relationships and the common interest doctrine. Understand the implications for corporate legal strategies and the protection of sensitive communications under Illinois law.