Mosher Joseph Blumenfeld (March 23, 1904 – November 5, 1988) was a United States district judge of the United States District Court for the District of Connecticut.

Mosher Joseph Blumenfeld
Chief Judge — U.S. District Court for the District of Connecticut
Born 1904 in St. Paul, MN
Died 1988 in Hartford, CT
FJC ID: 198
Career output and lasting influence
Opinions attributed per year · peak 4/year
Later decisions citing those opinions, per year · peak 31/year
Connecticut District Court · 1961–1988Connecticut District Court · 1961–1988
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
- Private practice, Hartford, Connecticut1928–1961
District of ConnecticutSpecial assistant to U.S. attorney · 1942–1946
Appointments

1961–1988 · Appointed by John F. Kennedy (Democratic)Term ended: Death
Education
LL.B. · 1928- University of MinnesotaB.A. · 1925