District of Colorado / Appointed 2010 / Senior status since 2023

William Joseph Martinez

Judge, U.S. District Court for the District of Colorado

Appointed by President Barack Obama in 2010 and confirmed by the Senate 5837, William Joseph Martinez is a Judge on the U.S. District Court for the District of Colorado. He earned a law degree from University of Chicago Law School in 1980. Rulings & record ↓ Sources ↓

Born
1954 · age 72
Appointed by
Barack Obama, 2010
Confirmed
58–37
Education
University of Illinois 1977 · University of Chicago Law School 1980

Federal judicial service

YearCourtAppointed byVote
2010District of ColoradoObama (D)58–37

Party letters show the appointing president’s party, not the judge’s own.

Confirmation vote

Nomination Confirmed 5837 on December 21, 2010 · 111th Congress, Roll Call 291. Each senator links to their judicial-voting record.

Voted to confirm · 58

54 D, 2 R, 2 I

Voted against · 37

37 R

Did not vote · 5

2 D, 3 R

Education

Judicial Record

Caseload & case types

In our data, Martinez was assigned 4,182 district-court cases (1973–2026). Median time from filing to termination: 286 days across 4,023 closed cases.

Criminal46%
Contract12%
Civil rights9%
Other federal statutes8%
Prisoner & habeas6%
Labor & ERISA5%
Other14%

Case assignment is from CourtListener’s PACER-derived docket records: a partial sample, not a complete caseload, reflecting the judge last assigned each case. How we count.

On appeal

Of 245 of Martinez’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 205 were affirmed, 26 reversed or vacated, and 14 affirmed in part and reversed in part. This is a historical count of appellate outcomes for cases we could match, not a judgment of the judge, and not a complete record. How we count.

In our data, Martinez authored 5 published opinions for the court (2011). Most cited: McCAMMOND v. SCHWAN'S HOME SERVICE, INC. (3 citations).

A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge.

Recent & notable rulings

YearCaseCitationCited
2011McCAMMOND v. SCHWAN'S HOME SERVICE, INC.791 F. Supp. 2d 10103
2011Llewellyn v. Allstate Home Loans, Inc.795 F. Supp. 2d 12103
2011Strich v. United States793 F. Supp. 2d 12383
2011MORENO-GUTIERREZ v. Napolitano794 F. Supp. 2d 12071
2011Agile Safety Variable Fund, L.P. v. RBS Citizens, N.A.793 F. Supp. 2d 12481

Showing the 5 most-cited of 5 authored opinions in our data. “Cited” is inbound citations across the CourtListener corpus. Case links open the ruling’s full text (CourtListener) or its page here; read the methodology and verify against the primary source.

Questions & answers

Who appointed William Joseph Martinez?
President Barack Obama appointed William Joseph Martinez to the U.S. District Court for the District of Colorado in 2010.
Was William Joseph Martinez appointed by a Democrat or a Republican?
William Joseph Martinez was appointed by President Barack Obama, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was William Joseph Martinez's confirmation vote?
The Senate confirmed William Joseph Martinez 58–37 on December 21, 2010.
Which court is William Joseph Martinez on?
William Joseph Martinez is a Judge on the U.S. District Court for the District of Colorado.

Sources

Each fact on this page traces to a primary public record.

How we source & reconcile data → Data & Sources

See something wrong? Report an error. Fixes are logged in the corrections log.

15 years on the U.S. District Court for the District of Colorado. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).