Illinois
How Amgen Inc. v. Connecticut Retirement Plans and Trust Funds applies in Illinois: state-specific rules, key cases, and bar exam notes for Civil Procedure.
Illinois follows the federal standards established in Amgen, particularly concerning the burden of proof in demonstrating materiality and the reliance on presumptions of classwide impact. However, Illinois courts emphasize the necessity of fact-finding at the class certification stage liadjusting interpretations based on local procedural norms.
In Illinois, plaintiffs must establish that common questions of law or fact predominate over individual questions in class action certification, in line with 735 ILCS 5/2-803.
The Court reiterated the necessity of demonstrating a common issue that affects the class as a whole, reflecting Amgen's insights on materiality.
Emphasized that reliance on statistics alone is insufficient for certification; individual assessments may still be required.
Highlighted that class certification in Illinois hinges on the predominance of common issues, echoing Amgen's requirements.
While both Illinois and federal courts adhere to similar principles concerning class action certifications, Illinois courts may demand more stringent local procedural compliance and fact-specific inquiries compared to the federal approach, which allows for broader presumptions in proof.
The principles from Amgen are relevant in class action discussions on the Illinois bar exam, particularly related to class certification and the burden of proof for commonality.