Railroad safety lawsuits
Gloria Gail Kurns, of the Estate of George M. Corson v. Railroad Friction Products
In brief
The Supreme Court upheld the ruling that federal law bars the estate’s state-law design and warning claims involving locomotive equipment.
- Where it stands
- Decided
Decided 6-3 · February 29, 2012 · Opinion by Justice Kagan
- What it’s about
- Gloria Kurns and Freida Corson, representing George Corson’s estate, brought state-law design-defect and failure-to-warn claims related to his alleged asbestos exposure.
- Who it affects
- The ruling bars George Corson’s estate from pursuing its state-law design-defect and failure-to-warn claims involving locomotive equipment.
Summary: written with AI from the case record.

What it's about
The Supreme Court agreed with the lower court that the Locomotive Inspection Act bars those claims because they fall within federal regulation of locomotive equipment.
The Court used an earlier Supreme Court decision, Napier, to define the Locomotive Inspection Act’s reach over locomotive equipment.
Question presented
Did Congress intend the federal railroad safety acts to preempt state-law-based tort lawsuits?
What the Court decided
Holding
Petitioners’ state-law design-defect and failure-to-warn claims fall within the field of locomotive equipment regulation pre-empted by the LIA, as that field was defined in Napier v. Atlantic Coast Line R. Co., 272 U. S. 605. Pp. 2 − 11. 620 F. 3d 392, affirmed.
- Result
- Affirmed
The Court's reasoning
The Court relied on Napier, an earlier Supreme Court decision that defined the Locomotive Inspection Act’s reach over locomotive equipment. It concluded that the estate’s design and warning claims fell within that federally regulated area, so federal law bars them.
The vote
What's next
The Third Circuit’s ruling remains in place, and the estate’s state-law claims are barred.
Documents
Opinions
Audio
Docket activity
New analysis added
AI analysis generated: Case Briefing
New analysis added
AI analysis generated: Impact Analysis
AI analysis generated: Opinion Summary
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AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
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Audio Recording added: Oral Arguments - Kurns
Opinion added: Kurns
More questions
- Did Congress expressly bar these state-law claims?
- No. The Court based its decision on the federal law’s reach over locomotive-equipment regulation, rather than an express ban on state claims.
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.