Nine justices, nine styles

A recent analysis of oral arguments from October Term 2025 reveals patterns in the questioning styles of Supreme Court justices, including a notable focus on 'limiting principles' by Chief Justice Roberts. The study, which examined 5,095 questions posed during 58 oral arguments, aims to provide insight into the dynamics of oral argument and help advocates prepare for future cases.

Nine justices, nine styles: A recent analysis of oral arguments from October Term 2025 reveals patterns in the questioning styles of Supreme Court justices. By my count, the 58 oral arguments resulted in 5,095 questions from the justices, sparking an interest in understanding what types of questions each justice tends to ask. This curiosity began during law school, where a professor's comment about Chief Justice Roberts' penchant for asking about 'limiting principles' piqued the author's interest.

The Supreme Court's oral argument process is a critical component of its decision-making process. During these sessions, justices pose questions to advocates representing both sides of a case, seeking clarification and insight into the legal issues at hand. The questioning styles of individual justices can significantly impact the outcome of a case, as they often serve as a proxy for their views on the matter.

The analysis reveals that Chief Justice Roberts frequently asks about 'limiting principles,' which refers to the boundaries or limits within which a particular legal concept or authority operates. This questioning style is consistent with his reputation as a justice who seeks to understand the implications of a decision and its potential impact on future cases. Other justices, such as Justices Thomas and Alito, tend to ask more general questions about the facts of the case.

The study's findings provide valuable insights for advocates preparing for oral arguments before the Supreme Court. By understanding the questioning styles of individual justices, advocates can better anticipate the types of questions they will face and tailor their responses accordingly. This knowledge can also inform strategic decisions about which cases to pursue and how to present their arguments.