D.C. Circuit
Gregory George Katsas
Judge, U.S. Court of Appeals for the District of Columbia Circuit
Appointment
- Court
- U.S. Court of Appeals for the District of Columbia Circuit
- Title
- Judge
- Appointed by
- Donald J. TrumpRepublican
- Seat
- CADC0706
- Nominated
- Sept. 7, 2017
- Committee hearing
- Oct. 17, 2017
- Committee action
- Reported (favorably)Nov. 9, 2017
- Senate vote
- 50–48Roll Call
- Confirmed
- Nov. 28, 2017
- Commissioned
- Dec. 8, 2017
- ABA rating
- Well Qualified
Source Federal Judicial Center.
Recent judicial activity
Opinions authored and panels sat on, most recent first.
-
Sept. 25opinion issued Authored the opinion in Alstom Transportation, Inc. v. FRA
-
Sept. 25
-
Sept. 4opinion issued Dissented in League of Women Voters v. DHS
-
Sept. 1panel identified Sat on the panel in Robert Bergdahl v. United States
-
Aug. 28panel identified Sat on the panel in East Tennessee Group v. FERC
-
Aug. 21opinion issued Concurred in Evangelistic Godson v. Johns Hopkins Medicine
-
Aug. 21
-
Aug. 21opinion issued Authored the opinion in United States v. Garrick Richardson
-
Aug. 20
-
Aug. 18
-
Aug. 18
-
Aug. 18panel identified Sat on the panel in James Knight v. NTSB
Cases
Appellate cases on which this judge sat, drawn from panel information published with each decision.
Judicial writings
Opinions, concurrences and dissents attributed to this judge by the source record.
| Type | Case | Court | Filed |
|---|---|---|---|
| Opinion of the Court | Alstom Transportation, Inc. v. FRA | D.C. Circuit | Sept. 25, 2026 |
| Opinion | Anthropic PBC v. United States Department of War | D.C. Circuit | Sept. 25, 2026 |
| Dissent | League of Women Voters v. DHS | D.C. Circuit | Sept. 4, 2026 |
| Opinion | United States v. Garrick Richardson | D.C. Circuit | Aug. 21, 2026 |
| Concurrence | Evangelistic Godson v. Johns Hopkins Medicine | D.C. Circuit | Aug. 21, 2026 |
| Opinion | United States v. Edward William | D.C. Circuit | Aug. 11, 2026 |
| Opinion | Ute Indian Tribe of the Uintah and Ouray Indian Reservation v. United States | D.C. Circuit | July 31, 2026 |
| Opinion | Public Safety Spectrum Alliance v. FCC | D.C. Circuit | July 21, 2026 |
| Opinion | Save the Sound, Inc. v. FAA | D.C. Circuit | July 21, 2026 |
| Concurrence | United States v. David Zobel | D.C. Circuit | July 17, 2026 |
| Opinion | Axel Diegelmann v. Scott Bessent | D.C. Circuit | July 14, 2026 |
| Opinion | Trustees of the IAM National Pension Fund v. M & K Employee Solutions | D.C. Circuit | July 7, 2026 |
| Concurrence | Massimiliano Cali v. Donald Trump | D.C. Circuit | June 15, 2026 |
| Order | Massimiliano Cali v. Donald Trump | D.C. Circuit | June 15, 2026 |
| Writing | Massimiliano Cali v. Donald Trump | D.C. Circuit | June 15, 2026 |
| Concurrence in part | Farah Naz v. Chris Wright | D.C. Circuit | June 9, 2026 |
| Order | Jorge Lujan v. FMCSA | D.C. Circuit | May 5, 2026 |
| Order | Nicolas Talbott v. USA | D.C. Circuit | Dec. 9, 2025 |
| Opinion | America First Legal Foundation v. Jamieson Greer | D.C. Circuit | Oct. 3, 2025 |
| Opinion | Deutsche Telekom, A.G. v. Republic of India | D.C. Circuit | Oct. 3, 2025 |