KSR International Co. v. Teleflex Inc.
550 U.S. 398 · Decided April 30, 2007 · 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
KSR International Co. v. Teleflex Inc. was decided on April 30, 2007 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Anthony M. Kennedy wrote the opinion of the Court. SCDB classifies its main issue as “Patents” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 550 U.S. 398 · 127 S. Ct. 1727 · 167 L. Ed. 2d 705 · 2007 U.S. LEXIS 4745
- Docket number
- 04-1350
- Decided
- April 30, 2007
- Argued
- November 28, 2006
- Court era
- Roberts 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
- Anthony M. Kennedy
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Certiorari
- Issue (SCDB)
- Patents
- Issue area
- Economic Activity
- Legal provision
- 35 U.S.C. § 103
- Type of law
- Infrequently litigated statute
- 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 | Wrote an opinion |
| Justice David H. Souter | Majority | |
| Justice Clarence Thomas | Majority | |
| 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
KSR International Co. v. Teleflex Inc. et al.
SCDB identifiers: case 2006-038, docket 2006-038-01.
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Cases on the same legal provision: 35 U.S.C. § 103
Same Term, same area (Economic Activity)
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- Weyerhaeuser Company v. Ross-Simmons Hardwood Lumber Company, Inc.
- Philip Morris USA v. Mayola Williams
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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