Aldona Wos v. E. M. A.
568 U.S. 627 · Decided March 20, 2013 · Supreme Court of the United States
At a glance
Aldona Wos v. E. M. A. was decided on March 20, 2013 by a vote of 6–3. The Court affirmed the lower court's decision. Justice Anthony M. Kennedy wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state legislation or regulation” in the Federalism area.
Read the opinion
Case details
- Citations
- 568 U.S. 627 · 133 S. Ct. 1391 · 185 L. Ed. 2d 471 · 2013 U.S. LEXIS 2372
- Docket number
- 12-98
- Decided
- March 20, 2013
- Argued
- January 8, 2013
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Affirmed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 6–3
- Majority opinion
- Anthony M. Kennedy
- Opinion assigned by
- Anthony M. Kennedy
- How the case arrived
- Certiorari
- Issue area
- Federalism
- Legal provision
- Medicaid (Social Security Act)
- Type of law
- Federal statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Antonin Scalia | Dissent | |
| Justice Anthony M. Kennedy | Majority | Wrote an opinion |
| Justice Clarence Thomas | Dissent | |
| Justice Ruth Bader Ginsburg | Majority | |
| Justice Stephen G. Breyer | Concurrence | Wrote an opinion |
| Chief Justice John G. Roberts Jr. | Dissent | Wrote an opinion |
| Justice Samuel A. Alito Jr. | Majority | |
| Justice Sonia Sotomayor | Majority | |
| Justice Elena Kagan | Majority |
Full case caption
Aldona Wos, Secretary, North Carolina Department of Health and Human Services, Petitioner v. E. M. A., a Minor, by and Through Her Guardian Ad Litem, Daniel H. Johnson, et al.
SCDB identifiers: case 2012-028, docket 2012-028-01.
Related decisions
Other cases on “Federal preemption of state legislation or regulation”
- Jerry W. Gunn v. Vernon F. Minton
- Jacqueline Hillman v. Judy A. Maretta
- American Trucking Associations, Inc. v. City of Los Angeles
- Tarrant Regional Water District v. Rudolf John Herrmann
- Mutual Pharmaceutical Company, Inc. v. Karen L. Bartlett
- Arizona v. United States
Cases on the same legal provision: Medicaid (Social Security Act)
- Astra USA, Inc. v. Santa Clara County
- Arkansas Department of Health and Human Services v. Heidi Ahlborn
- Gallardo v. Marstiller
- Medina v. Planned Parenthood South Atlantic
- L. Douglas Wilder v. Virginia Hospital Association
- Atkins v. Rivera
Same Term, same area (Federalism)
- Jerry W. Gunn v. Vernon F. Minton
- Dan’s City Used Cars, Inc. v. Robert Pelkey
- Jacqueline Hillman v. Judy A. Maretta
- American Trucking Associations, Inc. v. City of Los Angeles
- Tarrant Regional Water District v. Rudolf John Herrmann
- Mutual Pharmaceutical Company, Inc. v. Karen L. Bartlett
Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error