E. I. du Pont de Nemours & v. Abbott
In brief
The Supreme Court declined to hear the DuPont case (denied review), so it did not decide whether early trial findings could stop DuPont from contesting the same issues in other cases.
- Where it stands
- Decided
Decided · November 20, 2023 · Opinion by Justice Thomas
- What it’s about
- This case involves a dispute over whether the results of a few early test trials in a large multi-district litigation can prevent a defendant from defending against liability in thousands of subsequent cases brought by different plaintiffs.
- Who it affects
- The order did not decide whether early bellwether findings can stop DuPont from contesting the same issues in pending or future cases. It did not endorse either side's position or establish a Supreme Court rule on that question.
Summary: written with AI from the case record.

What it's about
Specifically, DuPont challenges the lower court's use of nonmutual offensive collateral estoppel to bind it to adverse findings on duty, breach, and foreseeability from previous bellwether trials.
The dispute is part of a large group of related cases in which a few early test trials came before thousands of other cases.
Question presented
Whether nonmutual offensive collateral estoppel can be applied to make the results of a handful of unrepresentative bellwether trials binding on the defendant in all pending and future cases in a multi-district litigation?
What the Court decided
Holding
Petition DENIED. Justice Kavanaugh would grant the petition for a writ of certiorari. Justice Alito took no part in the consideration or decision of this petition. Justice Thomas, dissenting from the denial of certiorari. (Detached Opinion )
The vote
- Majority author
- Clarence Thomas
What's next
The Supreme Court has finished acting on this request for review. Any further proceedings, if they occur, would be handled in the lower courts or related litigation, not through this Supreme Court action.
Documents
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
Opinion added: Abbott
Opinion added: Opinion
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Brief added: Petition
Court Order added: Lower Court Orders/Opinions
More questions
- What did DuPont v. Abbott ask?
- It asked whether a few early test-trial findings could stop DuPont from contesting the same issues in later cases.
- Did the Supreme Court decide whether early findings could control other cases involving DuPont?
- No. The Court declined to hear the case (denied review), so it did not decide that legal question.
- What remains unresolved after the Court declined review?
- Whether early bellwether findings can stop DuPont from contesting the same issues in other cases remains undecided by this Supreme Court action.
- Who took different positions on Supreme Court review?
- Justice Kavanaugh would have granted review, Justice Thomas disagreed with denying it, and Justice Alito did not participate.
- What happens next in the underlying litigation?
- The Supreme Court has finished acting on this request. Any further proceedings, if they occur, would be handled in lower courts or related litigation, not through this Supreme Court action.
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.