Monsanto Company v. Geertson Seed Farms

561 U.S. 139 · Decided June 21, 2010 · Supreme Court of the United States

At a glance

Monsanto Company v. Geertson Seed Farms was decided on June 21, 2010 by a vote of 7–1. The Court reversed the lower court's decision and remanded the case. Justice Samuel A. Alito Jr. wrote the opinion of the Court. SCDB classifies its main issue as “Natural resources and environmental protection” in the Economic Activity area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Did not participate: Stephen G. Breyer.

Full case caption

Monsanto Company, et al. v. Geertson Seed Farms et al.

SCDB identifiers: case 2009-080, docket 2009-080-01.

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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