John Carbone Porfilio at a glance
- Current role
- Judge
- Court
- U.S. Court of Appeals for the Tenth Circuit
- Jurisdiction
- National federal courts · Federal
- Judicial service
- May 10, 1985–present
John Carbone Porfilio
Judge · U.S. Court of Appeals for the Tenth Circuit
Available research
Biography
Professional career
- Professional Career: Private practice, Denver, Colorado, 1959-1962
- U.S. Bankruptcy Judge, District of Colorado, 1975-1982
- Attorney general, State of Colorado, 1972-1975
- Deputy attorney general, State of Colorado, 1968-1972
- Assistant attorney general, State of Colorado, 1962-1968
- Private practice, Denver, CO, 1959-1962
Judicial service
- Judge, District Court, D. Colorado, 1982-1985
- Judge, Court of Appeals for the Tenth Circuit, 1985-1999
- Judge of the United States Court of Appeals for the Tenth Circuit
- Senior Judge of the United States Court of Appeals for the Tenth Circuit
Education
- University of Denver · B.A., 1956
- University of Denver College of Law (now Sturm College of Law) · 1959
Personal record
Born 1934 · Denver, CO
Courtroom rules and guidance
Appellate Oral Argument
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.
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 unnecessaryFederal Rule of Appellate Procedure 34, Oral Argument ↗
Sources
Federal Judicial Center biography
Identity source · HTML · checked July 25, 2026
https://www.fjc.gov/node/1386476CourtListener judicial biographical directory
Identity source · HTML · checked August 2, 2026
https://www.courtlistener.com/person/2599/john-carbone-porfilio/Federal Rule of Appellate Procedure 34, Oral Argument
Judge research source · HTML · checked July 26, 2026
https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure