John Warren Davis (March 4, 1867 – February 21, 1945) was a United States circuit judge of the United States Court of Appeals for the Third Circuit and previously was a United States district judge of the United States District Court for the District of New Jersey.

Career output and lasting influence
Opinions attributed per year · peak 21/year
Later decisions citing those opinions, per year · peak 38/year
New Jersey District Court · 1916–1920Third Circuit Court of Appeals · 1920–1941
Both charts share the same year axis. Opinion counts include only opinions in our corpus attributed to this judge so far — a year at zero can mean an attribution gap, not judicial silence. Influence typically outlasts the career: citations keep climbing after the last opinion.
- Gender
- Male
- Race
- White
Prior employment
- Conference of Senior Circuit Judges (now Judicial Conference of the United States)Member · 1938
U.S. attorney for the District of New Jersey1913–1916- New JerseyState senator · 1911–1913
- Private practice, Philadelphia, Pennsylvania, and Camden, New Jersey1907–1911
Appointments
1920–1941 · Appointed by Woodrow Wilson (Democratic)Term ended: Resignation
1916–1920 · Appointed by Woodrow Wilson (Democratic)Term ended: Appointment to Another Judicial Position
Education

- Crozer Theological SeminaryB.D. · 1899
- Bucknell UniversityB.A. · 1896