Tenth Circuit
Harris L. Hartz
Judge, U.S. Court of Appeals for the Tenth Circuit
Appointment
- Court
- U.S. Court of Appeals for the Tenth Circuit
- Title
- Judge
- Appointed by
- George W. BushRepublican
- Seat
- CA100205
- Nominated
- Sept. 4, 2001
- Committee hearing
- Oct. 25, 2001
- Committee action
- Reported (favorably)Nov. 29, 2001
- Senate vote
- 99–0Roll Call
- Confirmed
- Dec. 6, 2001
- Commissioned
- Dec. 10, 2001
- ABA rating
- Well Qualified
Source Federal Judicial Center.
Recent judicial activity
Opinions authored and panels sat on, most recent first.
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Sept. 10
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Sept. 9panel identified Sat on the panel in Black Emergency Response Team v. Drummond
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Aug. 31
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Aug. 27opinion issued Authored the opinion in United States v. Valdez
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Aug. 21panel identified Sat on the panel in Fuston v. Quick
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Aug. 14panel identified Sat on the panel in United States v. Garley
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Aug. 14panel identified Sat on the panel in AECOM Technical Services v. Flatiron | AECOM
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Aug. 12panel identified Sat on the panel in United States v. Reed
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Aug. 12
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Aug. 11panel identified Sat on the panel in Ortiz y Pino v. Oliver
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Aug. 3opinion issued Authored the opinion in United States v. Salgueido
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July 31opinion issued Authored the opinion in Scottsdale Capital Advisors v. USSEC
Cases
Appellate cases on which this judge sat, drawn from panel information published with each decision.
| Case | No. | Status | Date | |
|---|---|---|---|---|
| Horocofsky v. City of Lawrence, Kansas | 25-3024 | Decided | Sept. 10, 2026 | Authored |
| Black Emergency Response Team v. Drummond | 24-6139 | Decided | Sept. 9, 2026 | |
| In re: Church of Jesus Christ of Latter-Day Saints | 25-4068 | Decided | Aug. 31, 2026 | Authored |
| United States v. Valdez | 25-2053 | Decided | Aug. 27, 2026 | Authored |
| Fuston v. Quick | 24-6166 | Decided | Aug. 21, 2026 | |
| AECOM Technical Services v. Flatiron | AECOM | 25-1140 | Decided | Aug. 14, 2026 | |
| United States v. Garley | 25-2060 | Decided | Aug. 14, 2026 | |
| Walden v. The City of Duncan, Oklahoma | 25-6153 | Decided | Aug. 12, 2026 | Authored |
| United States v. Reed | 24-6241 | Decided | Aug. 12, 2026 | |
| Ortiz y Pino v. Oliver | 25-2016 | Decided | Aug. 11, 2026 | |
| United States v. Salgueido | 25-2088 | Decided | Aug. 3, 2026 | Authored |
| Scottsdale Capital Advisors v. USSEC | 25-4000 | Decided | July 31, 2026 | Authored |
| Dressen v. AstraZeneca AB | 24-4114 | Decided | July 23, 2026 | Authored |
| Maccagnan v. Cherry Creek School District No. 5 | 25-1335 | Decided | July 17, 2026 | |
| Western Watersheds Project v. United States Forest Service | 25-8026 | Decided | June 26, 2026 | Authored |
| Jarvis v. Liggett | 25-8046 | Decided | June 10, 2026 | |
| Jefferson v. Moore | 25-3020 | Decided | June 8, 2026 | Authored |
| Bonilla-Espinoza v. Blanche | 25-9552 | Decided | June 1, 2026 | Authored |
| Universitas Education v. Phoenix Charitable Trust | 25-6073 | Decided | May 15, 2026 | Authored |
| United States v. Watkins | 23-6210 | Decided | May 11, 2026 | Authored |
Judicial writings
Opinions, concurrences and dissents attributed to this judge by the source record.
| Type | Case | Court | Filed |
|---|---|---|---|
| Opinion | Horocofsky v. City of Lawrence, Kansas | Tenth Circuit | Sept. 10, 2026 |
| Opinion | In re: Church of Jesus Christ of Latter-Day Saints | Tenth Circuit | Aug. 31, 2026 |
| Opinion | United States v. Valdez | Tenth Circuit | Aug. 27, 2026 |
| Opinion | Walden v. The City of Duncan, Oklahoma | Tenth Circuit | Aug. 12, 2026 |
| Opinion | United States v. Salgueido | Tenth Circuit | Aug. 3, 2026 |
| Opinion | Scottsdale Capital Advisors v. USSEC | Tenth Circuit | July 31, 2026 |
| Opinion | Horocofsky v. City of Lawrence, Kansas | Tenth Circuit | July 24, 2026 |
| Opinion | Dressen v. AstraZeneca AB | Tenth Circuit | July 23, 2026 |
| Concurrence | Western Watersheds Project v. United States Forest Service | Tenth Circuit | June 26, 2026 |
| Opinion | Jefferson v. Moore | Tenth Circuit | June 8, 2026 |
| Opinion | Bonilla-Espinoza v. Blanche | Tenth Circuit | June 1, 2026 |
| Opinion | Universitas Education v. Phoenix Charitable Trust | Tenth Circuit | May 15, 2026 |
| Opinion | United States v. McCarthy | Tenth Circuit | May 6, 2026 |
| Concurrence | Frontier Airlines v. Department of Homeland Security | Tenth Circuit | April 20, 2026 |
| Opinion | United States v. Jimenez-Marquez | Tenth Circuit | April 3, 2026 |
| Opinion | United States v. Otuonye | Tenth Circuit | April 2, 2026 |
| Concurrence | Salcido v. City of Las Vegas | Tenth Circuit | March 17, 2026 |
| Opinion | United States v. Becker | Tenth Circuit | March 9, 2026 |
| Opinion | United States v. Sandoval-Flores | Tenth Circuit | March 6, 2026 |
| Opinion | United States v. Beckner | Tenth Circuit | Feb. 17, 2026 |