District of South Dakota / Appointed 2009 / Active
Portrait of Roberto Antonio Lange

Roberto Antonio Lange

Judge, U.S. District Court for the District of South Dakota

Appointed by President Barack Obama in 2009 and confirmed by the Senate 1000, Roberto Antonio Lange is a Judge on the U.S. District Court for the District of South Dakota. He earned a law degree from Northwestern University School of Law (now Pritzker School of Law) in 1988. Rulings & record ↓ Sources ↓

Born
1963 · age 63
Appointed by
Barack Obama, 2009
Confirmed
100–0
Education
University of South Dakota 1985 · Northwestern Law (now Pritzker School of Law) 1988

Federal judicial service

YearCourtAppointed byVote
2009District of South DakotaObama (D)100–0

Party letters show the appointing president’s party, not the judge’s own.

Confirmation vote

Nomination Confirmed 1000 on October 21, 2009 · 111th Congress, Roll Call 324. Each senator links to their judicial-voting record.

Voted to confirm · 100

58 D, 40 R, 2 I

Education

Judicial Record

Caseload & case types

In our data, Lange was assigned 847 district-court cases (2000–2026). Median time from filing to termination: 242 days across 612 closed cases.

Other civil matters50%
Personal-injury torts10%
Contract9%
Prisoner & habeas8%
Civil rights7%
Criminal4%
Other12%

Case assignment is from CourtListener’s PACER-derived docket records: a partial sample, not a complete caseload, reflecting the judge last assigned each case. How we count.

On appeal

Of 107 of Lange’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 95 were affirmed, 10 reversed or vacated, and 2 affirmed in part and reversed in part. This is a historical count of appellate outcomes for cases we could match, not a judgment of the judge, and not a complete record. How we count.

In our data, Lange authored 24 published opinions for the court (2009–2011). Most cited: Jones v. GGNSC PIERRE LLC (22 citations).

A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge.

Recent & notable rulings

Showing the 15 most-cited of 24 authored opinions in our data. “Cited” is inbound citations across the CourtListener corpus. Case links open the ruling’s full text (CourtListener) or its page here; read the methodology and verify against the primary source.

Questions & answers

Who appointed Roberto Antonio Lange?
President Barack Obama appointed Roberto Antonio Lange to the U.S. District Court for the District of South Dakota in 2009.
Was Roberto Antonio Lange appointed by a Democrat or a Republican?
Roberto Antonio Lange was appointed by President Barack Obama, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was Roberto Antonio Lange's confirmation vote?
The Senate confirmed Roberto Antonio Lange 100–0 on October 21, 2009.
Which court is Roberto Antonio Lange on?
Roberto Antonio Lange is a Judge on the U.S. District Court for the District of South Dakota.

Sources

Each fact on this page traces to a primary public record.

How we source & reconcile data → Data & Sources

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16 years on the U.S. District Court for the District of South Dakota. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).