Pierce County v. Ignacio Guillen
537 U.S. 129 · Decided January 14, 2003 · Supreme Court of the United States
At a glance
Pierce County v. Ignacio Guillen was decided on January 14, 2003 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Clarence Thomas wrote the opinion of the Court. SCDB classifies its main issue as “Truck or motor carrier regulation” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 537 U.S. 129 · 123 S. Ct. 720 · 154 L. Ed. 2d 610 · 2003 U.S. LEXIS 747
- Docket number
- 01-1229
- Decided
- January 14, 2003
- Argued
- November 4, 2002
- Court era
- Rehnquist Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed and remanded
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- Clarence Thomas
- Opinion assigned by
- William H. Rehnquist
- How the case arrived
- Certiorari
- Issue (SCDB)
- Truck or motor carrier regulation
- Issue area
- Economic Activity
- Legal provision
- 23 U.S.C. § 409
- Type of law
- Infrequently litigated statute
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Chief Justice William H. Rehnquist | Majority | |
| Justice John Paul Stevens | Majority | |
| Justice Sandra Day O'Connor | Majority | |
| Justice Antonin Scalia | Majority | |
| Justice Anthony M. Kennedy | Majority | |
| Justice David H. Souter | Majority | |
| Justice Clarence Thomas | Majority | Wrote an opinion |
| Justice Ruth Bader Ginsburg | Majority | |
| Justice Stephen G. Breyer | Majority |
Full case caption
Pierce County, Washington v. Ignacio Guillen, Legal Guardian of Jennifer Guillen and Alma Guillen, Minors, et al.
SCDB identifiers: case 2002-013, docket 2002-013-01.
Related decisions
Other cases on “Truck or motor carrier regulation”
- Security Services, Inc. v. Kmart Corporation
- Interstate Commerce Commission v. American Trucking Associations, Inc.
- Bowman Transportation, Inc. v. Arkansas-Best Freight System, Inc.
- United States v. International Minerals & Chemical Corp.
- American Farm Lines v. Black Ball Freight Service
- Red Ball Motor Freight, Inc. v. Shannon
Same Term, same area (Economic Activity)
- Yellow Transportation, Inc. v. Michigan
- Karen Howsam, Etc. v. Dean Witter Reynolds, Inc.
- Borden Ranch Partnership and Angelo K. Tsakopoulos v. United States Army Corps of Engineers and Environmental Protection Agency
- Eric Eldred v. John D. Ashcroft
- Federal Communications Commission v. Nextwave Personal Communications Inc.
- Victor Moseley and Cathy Moseley v. V Secret Catalogue, Inc.
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