Northern District of Illinois / Appointed 1994 / Served to 2019
Portrait of Rubén Castillo

Rubén Castillo

Judge, U.S. District Court for the Northern District of Illinois

Appointed by President William J. Clinton in 1994 and confirmed by voice vote, Rubén Castillo was a Judge on the U.S. District Court for the Northern District of Illinois. He earned a law degree from Northwestern University School of Law (now Pritzker School of Law) in 1979. Rulings & record ↓ Sources ↓

Born
1954 · age 72
Appointed by
William J. Clinton, 1994
Confirmed
by voice vote
Education
Loyola Chicago 1976 · Northwestern Law (now Pritzker School of Law) 1979

Federal judicial service

YearCourtAppointed byVote
1994Northern District of IllinoisClinton (D)Voice vote

Party letters show the appointing president’s party, not the judge’s own. A voice vote means the chamber approved aloud. No senator-by-senator tally is recorded.

Confirmation vote

Voice vote

The Senate approved this confirmation aloud, with no senator-by-senator tally recorded. Recorded roll-call votes begin in 1989.

Education

Judicial Record

Caseload & case types

In our data, Castillo was assigned 6,619 district-court cases (1986–2019). Median time from filing to termination: 66 days across 6,616 closed cases.

Civil rights18%
Labor & ERISA17%
Other federal statutes13%
Prisoner & habeas11%
Real property11%
Contract10%
Other19%

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 149 of Castillo’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 106 were affirmed, 33 reversed or vacated, and 10 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, Castillo authored 580 published opinions for the court (1994–2011). Most cited: Jirak v. Abbott Laboratories, Inc. (89 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A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included.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

YearCaseCitationCited
2008Jirak v. Abbott Laboratories, Inc.566 F. Supp. 2d 84589
1998Jenkins v. Union Corp.999 F. Supp. 112057
2011Van Tassell v. United Marketing Group, LLC795 F. Supp. 2d 77053
2011Ibarra v. City of Chicago816 F. Supp. 2d 54149
1997Cremin v. Merrill Lynch Pierce Fenner & Smith, Inc.957 F. Supp. 146044
1999Hodes v. Apfel61 F. Supp. 2d 79841
1994Smith v. Dovenmuehle Mortgage, Inc.859 F. Supp. 113840
1998Levit v. Spatz (In Re Spatz)222 B.R. 15737
1995Celex Group, Inc. v. Executive Gallery, Inc.877 F. Supp. 111437
2004Mielke v. Laidlaw Transit, Inc.313 F. Supp. 2d 75936
1996Demitropoulos v. Bank One Milwaukee, N.A.915 F. Supp. 139936
1998Luckey v. Baxter Healthcare Corp.2 F. Supp. 2d 103435
2009Whitley v. Taylor Bean & Whitacker Mortgage Corp.607 F. Supp. 2d 88533
1996Zarecki v. National Railroad Passenger Corp.914 F. Supp. 156633
1995Palmer v. Circuit Court of Cook County, Soc. Serv.905 F. Supp. 49933

Showing the 15 most-cited of 580 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 Rubén Castillo?
President William J. Clinton appointed Rubén Castillo to the U.S. District Court for the Northern District of Illinois in 1994.
Was Rubén Castillo appointed by a Democrat or a Republican?
Rubén Castillo was appointed by President William J. Clinton, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was Rubén Castillo's confirmation vote?
Rubén Castillo was confirmed by voice vote on May 6, 1994. No senator-by-senator tally was recorded.
Which court was Rubén Castillo on?
Rubén Castillo was a Judge on the U.S. District Court for the Northern District of Illinois.

Sources

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

How we source & reconcile data → Data & Sources

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