Tenth Circuit
Timothy M. Tymkovich
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
- CA100407
- Nominated
- Jan. 7, 2003
- Committee hearing
- Feb. 12, 2003
- Committee action
- Reported (favorably)March 6, 2003
- Senate vote
- 58–41Roll Call
- Confirmed
- April 1, 2003
- Commissioned
- April 1, 2003
- ABA rating
- Qualified
- Chief Judge from
- Jan. 1, 2015until Jan. 1, 2022
Source Federal Judicial Center.
Nominations
Senate nominations naming this judge — their own appointment, or a nomination to the seat they are leaving.
| Nominee | Court | Received | Outcome | Vote |
|---|---|---|---|---|
| Daniel Desmond Domenico PN999-2 | Tenth Circuit | May 12, 2026 | Reported to the floor | — |
Source Congress.gov. A nomination appears here when the name matches this judge exactly; the Federal Judicial Center record above remains the authority for service actually served.
Recent judicial activity
Opinions authored and panels sat on, most recent first.
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Sept. 29
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Sept. 15opinion issued Authored the opinion in Save The Colorado v. Graham
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Sept. 8panel identified Sat on the panel in United States v. Ostertag
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Sept. 8panel identified Sat on the panel in Spiehs v. Morgan
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Sept. 1panel identified Sat on the panel in Joyner v. Frontier Airlines
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Sept. 1opinion issued Authored the opinion in United States v. Bayne
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Aug. 28opinion issued Authored the opinion in United States v. Moon Seals
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Aug. 25panel identified Sat on the panel in United States v. Barker
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Aug. 21opinion issued Authored the opinion in Fuston v. Quick
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Aug. 17panel identified Sat on the panel in United States v. Williams
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Aug. 11panel identified Sat on the panel in Wildcat Coal v. Pacific Minerals
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Aug. 7panel identified Sat on the panel in United States v. Hahn
Cases
Appellate cases on which this judge sat, drawn from panel information published with each decision.
| Case | No. | Status | Date | |
|---|---|---|---|---|
| Phillips v. Boilermaker-Blacksmith National Pension Trust | 25-3160 | Decided | Sept. 29, 2026 | |
| Save The Colorado v. Graham | 25-1137 | Decided | Sept. 15, 2026 | Authored |
| United States v. Ostertag | 25-8055 | Decided | Sept. 8, 2026 | |
| Spiehs v. Morgan | 25-3174 | Decided | Sept. 8, 2026 | |
| Joyner v. Frontier Airlines | 25-1211 | Decided | Sept. 1, 2026 | |
| United States v. Bayne | 25-4132 | Decided | Sept. 1, 2026 | Authored |
| United States v. Barker | 24-7100 | Decided | Aug. 25, 2026 | |
| Fuston v. Quick | 24-6166 | Decided | Aug. 21, 2026 | Authored |
| United States v. Williams | 25-3067 | Decided | Aug. 17, 2026 | |
| Wildcat Coal v. Pacific Minerals | 23-8073 | Decided | Aug. 11, 2026 | |
| United States v. Hernandez | 25-2084 | Decided | Aug. 7, 2026 | |
| United States v. Hahn | 24-2069 | Decided | Aug. 7, 2026 | |
| Scottsdale Capital Advisors v. USSEC | 25-4000 | Decided | July 31, 2026 | |
| United States v. Mims | 25-5139 | Decided | July 28, 2026 | Authored |
| Lichfield v. Kubler | 25-4135 | Decided | July 27, 2026 | |
| Dressen v. AstraZeneca AB | 24-4114 | Decided | July 23, 2026 | |
| Miller v. CNH Industrial America | 24-3023 | Decided | July 21, 2026 | |
| Jenkins v. Prime Insurance | 25-4064 | Decided | July 21, 2026 | |
| Ward v. National Credit Systems | 25-1078 | Decided | July 20, 2026 | Authored |
| Mukantagara v. Noem | 24-4071 | Decided | July 14, 2026 |
Judicial writings
Opinions, concurrences and dissents attributed to this judge by the source record.
| Type | Case | Court | Filed |
|---|---|---|---|
| Opinion | Save The Colorado v. Graham | Tenth Circuit | Sept. 15, 2026 |
| Opinion | United States v. Bayne | Tenth Circuit | Sept. 1, 2026 |
| Opinion of the Court | United States v. Moon Seals | Tenth Circuit | Aug. 28, 2026 |
| Opinion of the Court | Fuston v. Quick | Tenth Circuit | Aug. 21, 2026 |
| Opinion | United States v. Mims | Tenth Circuit | July 28, 2026 |
| Opinion | Ward v. National Credit Systems | Tenth Circuit | July 20, 2026 |
| Opinion | KetoNatural Pet Foods v. Hill's Pet Nutrition | Tenth Circuit | July 14, 2026 |
| Opinion of the Court | Harden v. Hedgecock | Tenth Circuit | July 14, 2026 |
| Concurrence | Utah Political Watch v. Musselman | Tenth Circuit | June 30, 2026 |
| Opinion of the Court | Utah Political Watch v. Musselman | Tenth Circuit | June 30, 2026 |
| Opinion | Smith v. Albany County School District No. 1 | Tenth Circuit | May 4, 2026 |
| Dissent | Devon Energy Production Company v. DOI | Tenth Circuit | April 27, 2026 |
| Opinion | United States v. Holt | Tenth Circuit | April 24, 2026 |
| Opinion | Comanche Nation v. Ware | Tenth Circuit | April 21, 2026 |
| Dissent | Frontier Airlines v. Department of Homeland Security | Tenth Circuit | April 20, 2026 |
| Opinion | Dominguez v. Weiser Security Services | Tenth Circuit | April 7, 2026 |
| Opinion | United States v. Ruiz | Tenth Circuit | Jan. 28, 2026 |
| Opinion | Chieftain Royalty Company v. Enervest Energy Institutional Fund XIII-A | Tenth Circuit | Jan. 26, 2026 |
| Opinion | United States v. Griffin | Tenth Circuit | Jan. 13, 2026 |
| Opinion | Lancaster v. Cartmell | Tenth Circuit | Dec. 23, 2025 |