Identifying class members
Sunoco v. Cline
In brief
- Where it stands
- Dismissed
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.
- What it’s about
- Sunoco and other companies asked the Supreme Court to review a $100 million award in a group lawsuit over unpaid interest to oil-well owners, arguing that some group members could not be identified or shown to qualify.
- Who it affects
- The $100 million award challenged by Sunoco and the other companies remains in place; the Court did not rule on whether group members could recover.
Summary: written with AI from the case record.

What it's about
The Court refused to hear the case and did not decide that issue.
The Tenth Circuit case involved a group of 53,000 oil-well interest owners.
Question presented
Whether Rule 23 or Article III permits a court to certify a class and award all members damages when the class never identifies any feasible way to ascertain who is part of the class or has standing to recover them?
Documents
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
Case data updated: question_presented, extraction_metadata
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Brief added: Petition
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.