Skip to Content


Q&A Guides to Arizona v. United States

How the Supreme Court Ruled and What It Means for Other States

By Ben Winograd

On June 25, 2012, the Supreme Court issued its decision in Arizona v. United States, striking down three provisions of the immigration law known as “SB 1070” and leaving a fourth open to future legal challenges. More than any matter in recent history, the case settled a range of important questions regarding the role that states may play in the enforcement of federal immigration law. The Court’s decision will affect not only the future of SB 1070, but the fate of other state immigration laws being challenged in court and the odds of similar laws being passed around the country.

This guide provides brief answers to common questions about Arizona v. United States, including how the Supreme Court decided the case and what the ruling means for immigration laws in other states. 

Download the Report (updated July 2012)

What You Need to Know About the Supreme Court Case Over SB 1070

By Ben Winograd

On April 25, the Supreme Court will hear arguments in Arizona v. United States, a dispute over four provisions of the immigration law known as “SB 1070.” In advance of the arguments, this guide provides brief answers to common questions about the case, including how the litigation began, what the contested provisions do and do not say, and what arguments have been raised by each side. The guide also includes an appendix listing all of the outside individuals, organizations, and governments that filed briefs supporting and opposing SB 1070

Download the Report

For ongoing updates on Arizona v. United States, check out our blog,

Published On: Tue, Jul 24, 2012