This educational guide is based on the linked primary sources. It is not a Court publication, is not affiliated with the Court, and is not legal advice.
In brief
Overview
The case concerns whether a judge’s potential bias or the appearance of bias violates the Due Process Clause, which could raise recusal issues.
Background and question before the Court
The central question is whether a probability or appearance of bias, without actual bias, is enough to violate the Due Process Clause.
What each side argues
Petitioner Position (Caperton)
According to Theodore B. Olson, Esq., according to Theodore B. Olson, Esq., a fair trial requires not only the absence of actual bias but also protection against the probability of bias.
According to Theodore B. Olson, Esq., according to Theodore B. Olson, Esq., if a judge is likely to be biased against an individual, that satisfies the Due Process Clause.
According to Mr. Olson, the standard should consider the perception, likelihood, or appearance of bias, as used by the Court.
Respondent Position (Massey Coal)
Our opponents say bias tribunals are not prohibited by the Due Process Clause nor probably biased or the appearance of bias. We think there has to be some constitutional limit.
What happened at oral argument
The case was heard on oral argument before the Supreme Court at 10:15 a.m.
What the Court decided
Why it matters
The issue affects the fairness of judicial proceedings and the protection of due‑process rights, ensuring that litigants receive an impartial tribunal.
Terms to know
No glossary terms are available for this guide.
Primary sources
Read the source materials on the official site or open the immutable repository copy used for this guide.
- 10340a314d56ce53dccf-r1-3a3a7caf9f5f668c.pdforal argument transcript
Guide generated September 23, 2026. Automated validation accepted this version.