- Federal Public and Community Defenders/National Association of Federal Defenders (who prepared a statistical analysis of post-Booker sentencing appeals)
- FAMM - Families Against Mandatory Minimums
- NACDL -National Association of Criminal Defense Lawyers
- Law Professors and Former U.S. Attorneys
- The Sentencing Project and ACLU
- New York Council of Defense Lawyers (separate amicus briefs for Rita and Claiborne, and a statistical analysis of reasonableness cases)
- Washington Legal Foundation/Allied Educational Foundation
- Veterans organizations
Oral argument will occur on February 20, 2007.
