---
title: "Guido Calabresi | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/guido-calabresi"
page_type: "judge_profile"
updated: "2026-10-09"
---

# Guido Calabresi

U.S. Court of Appeals for the Second Circuit · U.S. Circuit Judge

## Profile

- Court: U.S. Court of Appeals for the Second Circuit
- State: National federal courts
- Role: U.S. Circuit Judge
- Service status: senior
- Last verified: 2026-07-25

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Yale Law School: Professor since 1959
- Judge, Court of Appeals for the Second Circuit, 1994-2009
- Appointed: July 1994 as a United States Circuit Judge for the Second Circuit; entered duty September 16, 1994
- Before his judicial appointment, he was Dean of Yale Law School (1985–1994) and a Sterling Professor of Law.
- Law clerk, Hon. Hugo Black, Supreme Court of the United States, 1958-1959
- Law clerk to U.S. Supreme Court Justice Hugo Black (1958–1959)
- Judge of the United States Court of Appeals for the Second Circuit
- In summary, Judge Guido Calabresi is a distinguished jurist and academic whose career spans high‐level judicial service, leadership at Yale Law School, and influential scholarship in legal theory and economics
- Guido Calabresi is an Italian‐born American jurist who serves as a Senior Judge of the U.S. Court of Appeals for the Second Circuit, and is also a former Dean of Yale Law School and a leading figure in the field of law and economics

### Education

- Politics, Philosophy, and Economics, Oxford University — M.A. (1959)
- Yale University — LL.B. (1958)
- Yale Law School (magna cum laude, first in class) — LL.B. (1958)
- Magdalen College, Oxford University (First Class Honors) — B.A. (1955)
- Yale University — B.S. (1953)
- Yale College (summa cum laude) — B.S. (1953)
- Timothy Dwight College

### Additional information

- Senior Judge: Since July 21, 2009.
- Dean 1985–1994; now Sterling Professor Emeritus and Professorial Lecturer.
- Scholarship: Author of multiple books, including The Cost of Accidents (1970) and A Common Law for the Age of Statutes (1982), and over 150 academic articles.
- Town selectman, Woodbridge, CT, 1971-1975
- Public Service: held the role of town selectman for Woodbridge, Connecticut (1971–1975).
- Date of birth: 1932-01-01
- Hopkins School
- Rhodes Scholar; member of Phi Beta Kappa and Order of the Coif.
- Recognized as one of the founders of the field of law and economics alongside Ronald Coase and Richard Posner.
- Calabresi has received more than 50 honorary degrees from U.S. and international institutions.
- Birth place: Milan, Italy

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### appellate oral argument

Scope: courtwide

In federal courts of appeals, oral argument is allowed unless a three-judge panel unanimously finds one of Rule 34's specified grounds for dispensing with it; the clerk provides the date, time, place, and time allocation.

Evidence excerpt: Oral argument must be allowed in every case unless a panel of three judges who have examined the briefs and record unanimously agrees that oral argument is unnecessary

[Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.fjc.gov/node/1378726)
- [Official roster](https://www.fjc.gov/node/1378726)
- [Federal Judicial Center biography](https://www.fjc.gov/node/1378726)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/506/guido-calabresi/)
- [Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
- [Federal Judicial Center — Biographical Directory of Federal Judges](https://www.fjc.gov/sites/default/files/history/judges.csv)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/506/guido-calabresi/)
- [Wikidata: Guido Calabresi](https://www.wikidata.org/wiki/Q121995)

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