Ksr International Co. v. Teleflex Inc. et al.

Decided April 30, 2007. Anthony McLeod Kennedy delivered the opinion of the Court.

Docket 04-1350 · 550 U.S. 398 (2007) · Cited 1,310 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Graham v. John Deere Co. of Kansas City · 383 U.S. 1 (1966)
• Sakraida v. Ag Pro, Inc. · 425 U.S. 273 (1976)
• United States v. Adams · 383 U.S. 39 (1966)
• Anderson's-Black Rock, Inc. v. Pavement Salvage Co. · 396 U.S. 57 (1969)
• Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp. · 340 U.S. 147 (1950)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Microsoft Corp. v. i4i Ltd. Partnership · 564 U.S. 91 (2011)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Anthony McLeod Kennedy’s profile · All Supreme Court opinions · The Supreme Court

Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).