Amgen Inc. v. Sanofi
598 U.S. 594 · Decided May 18, 2023 · 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
Amgen Inc. v. Sanofi was decided on May 18, 2023 unanimously (9–0). The Court affirmed the lower court's decision. Justice Neil M. Gorsuch wrote the opinion of the Court. SCDB classifies its main issue as “Patents” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 598 U.S. 594 · 143 S. Ct. 1243 · 215 L. Ed. 2d 537 · 2023 U.S. LEXIS 2058
- Docket number
- 21-757
- Decided
- May 18, 2023
- Argued
- March 27, 2023
- 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
- 9–0 (unanimous)
- Majority opinion
- Neil M. Gorsuch
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Certiorari
- Issue (SCDB)
- Patents
- Issue area
- Economic Activity
- Legal provision
- Patent Act
- Type of law
- Infrequently litigated statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Clarence Thomas | Majority | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority | |
| Justice Sonia Sotomayor | Majority | |
| Justice Elena Kagan | Majority | |
| Justice Neil M. Gorsuch | Majority | Wrote an opinion |
| Justice Brett M. Kavanaugh | Majority | |
| Justice Amy Coney Barrett | Majority | |
| Justice Ketanji Brown Jackson | Majority |
Full case caption
Amgen Inc. v. Sanofi
SCDB identifiers: case 2022-046, docket 2022-046-01.
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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