
Rubén Castillo
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
- Succeeded
- Nicholas John Bua
- Succeeded by
- Franklin Ulyses Valderrama
Federal judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 1994 | Northern District of Illinois succeeded Nicholas John Bua | Clinton (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
| Loyola University Chicago | B.A. | 1976 |
| Northwestern University School of Law (now Pritzker School of Law) | J.D. | 1979 |
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.
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A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included.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
| Year | Case | Citation | Cited |
|---|---|---|---|
| 2008 | Jirak v. Abbott Laboratories, Inc. | 566 F. Supp. 2d 845 | 89 |
| 1998 | Jenkins v. Union Corp. | 999 F. Supp. 1120 | 57 |
| 2011 | Van Tassell v. United Marketing Group, LLC | 795 F. Supp. 2d 770 | 53 |
| 2011 | Ibarra v. City of Chicago | 816 F. Supp. 2d 541 | 49 |
| 1997 | Cremin v. Merrill Lynch Pierce Fenner & Smith, Inc. | 957 F. Supp. 1460 | 44 |
| 1999 | Hodes v. Apfel | 61 F. Supp. 2d 798 | 41 |
| 1994 | Smith v. Dovenmuehle Mortgage, Inc. | 859 F. Supp. 1138 | 40 |
| 1998 | Levit v. Spatz (In Re Spatz) | 222 B.R. 157 | 37 |
| 1995 | Celex Group, Inc. v. Executive Gallery, Inc. | 877 F. Supp. 1114 | 37 |
| 2004 | Mielke v. Laidlaw Transit, Inc. | 313 F. Supp. 2d 759 | 36 |
| 1996 | Demitropoulos v. Bank One Milwaukee, N.A. | 915 F. Supp. 1399 | 36 |
| 1998 | Luckey v. Baxter Healthcare Corp. | 2 F. Supp. 2d 1034 | 35 |
| 2009 | Whitley v. Taylor Bean & Whitacker Mortgage Corp. | 607 F. Supp. 2d 885 | 33 |
| 1996 | Zarecki v. National Railroad Passenger Corp. | 914 F. Supp. 1566 | 33 |
| 1995 | Palmer v. Circuit Court of Cook County, Soc. Serv. | 905 F. Supp. 499 | 33 |
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.
- FJC Biographical Directory
- Wikidata
- Portrait: U.S. Federal Judiciary (Public domain), via Wikimedia Commons
- CourtListener bulk data (Free Law Project): authored opinions & citation counts
How we source & reconcile data → Data & Sources
See something wrong? Report an error. Fixes are logged in the corrections log.
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).