Quanta Computer, Inc. v. Lg Electronics, Inc.
553 U.S. 617 · Decided June 9, 2008 · Supreme Court of the United States
Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.
At a glance
Quanta Computer, Inc. v. Lg Electronics, Inc. was decided on June 9, 2008 unanimously (9–0). The Court reversed the lower court's decision. Justice Clarence Thomas wrote the opinion of the Court. SCDB classifies its main issue as “Patentability of computer processes” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 553 U.S. 617 · 128 S. Ct. 2109 · 170 L. Ed. 2d 996 · 2008 U.S. LEXIS 4702
- Docket number
- 06-937
- Decided
- June 9, 2008
- Argued
- January 16, 2008
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- Clarence Thomas
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Certiorari
- Issue (SCDB)
- Patentability of computer processes
- Issue area
- Economic Activity
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice John Paul Stevens | 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 | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority |
Full case caption
Quanta Computer, Inc., et al. v. Lg Electronics, Inc.
SCDB identifiers: case 2007-048, docket 2007-048-01.
Related decisions
Other cases on “Patentability of computer processes”
- Microsoft Corporation v. AT&T Corp.
- Bernard L. Bilski and Rand A. Warsaw v. David J. Kappos
- Ebay Inc. v. Mercexchange, L. L. C.
- Microsoft Corporation v. I4I Limited Partnership
- Alice Corp. Pty. Ltd. v. CLS Bank Int'l
- Diamond v. Bradley
Same Term, same area (Economic Activity)
- CSX Transportation, Inc. v. Georgia State Board of Equalization
- Stoneridge Investment Partners, LLC v. Scientific-Atlanta, Inc.
- Abdus-Shahid M. S. Ali v. Federal Bureau of Prisons
- James Larue v. Dewolff
- Hall Street Associates, L.L.C. v. Mattel, Inc
- Meadwestvaco Corporation v. Illinois Department of Revenue
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