Southern District of California / Appointed 1999 / Senior status since 2009
Portrait of M. James Lorenz

M. James Lorenz

Judge, U.S. District Court for the Southern District of California

Appointed by President William J. Clinton in 1999 and confirmed by voice vote, M. James Lorenz is a Judge on the U.S. District Court for the Southern District of California. He earned a law degree from California Western School of Law in 1965. Rulings & record ↓ Sources ↓

Born
1935 · age 91
Appointed by
William J. Clinton, 1999
Confirmed
by voice vote
Education
University of California, Berkeley 1957 · California Western Law 1965

Federal judicial service

YearCourtAppointed byVote
1999Southern District of CaliforniaClinton (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, Lorenz was assigned 3,547 district-court cases (1992–2025). Median time from filing to termination: 176 days across 3,499 closed cases.

Civil rights18%
Other federal statutes16%
Prisoner & habeas14%
Contract12%
Other civil matters10%
Personal-injury torts7%
Other24%

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 162 of Lorenz’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 126 were affirmed, 22 reversed or vacated, and 14 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, Lorenz authored 35 published opinions for the court (2000–2012). Most cited: Hubbard v. 7-Eleven, Inc. (48 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A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included.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
2006Hubbard v. 7-Eleven, Inc.433 F. Supp. 2d 113448
2001United States v. Boyce148 F. Supp. 2d 106939
2000Abada v. Charles Schwab & Co., Inc.127 F. Supp. 2d 110123
2007Sneddon v. ABF Freight Systems489 F. Supp. 2d 112416
2008Kearney v. Foley and Lardner553 F. Supp. 2d 117815
2010Ollier v. Sweetwater Union High School District735 F. Supp. 2d 122214
2002In Re Peerless Systems, Corp. Securities Litigation182 F. Supp. 2d 98213
2002Herring v. Teradyne, Inc.256 F. Supp. 2d 111811
2006In Re Dura Pharmaceuticals, Inc. Securities Litigation452 F. Supp. 2d 100510
2006Alaska Electrical Pension Fund v. Adecco S.A.434 F. Supp. 2d 8158
2005Harris v. Costco Wholesale Corp.389 F. Supp. 2d 12448
2005Alaska Electrical Pension Fund v. Adecco S.A.371 F. Supp. 2d 12038
2004Noyes v. Grossmont Union High School District331 F. Supp. 2d 12338
2002Kingray, Inc. v. National Basketball Ass'n188 F. Supp. 2d 11778
2011Vera v. O'KEEFE791 F. Supp. 2d 9597

Showing the 15 most-cited of 35 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 M. James Lorenz?
President William J. Clinton appointed M. James Lorenz to the U.S. District Court for the Southern District of California in 1999.
Was M. James Lorenz appointed by a Democrat or a Republican?
M. James Lorenz was appointed by President William J. Clinton, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was M. James Lorenz's confirmation vote?
M. James Lorenz was confirmed by voice vote on October 1, 1999. No senator-by-senator tally was recorded.
Which court is M. James Lorenz on?
M. James Lorenz is a Judge on the U.S. District Court for the Southern District of California.

Sources

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

How we source & reconcile data → Data & Sources

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