---
title: "John J. O'Sullivan | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/john-j-o-sullivan-9176"
page_type: "judge_profile"
updated: "2026-10-07"
---

# John J. O'Sullivan

U.S. District Court for the Southern District of Florida · U.S. Magistrate Judge

## Profile

- Court: U.S. District Court for the Southern District of Florida
- State: Florida
- Role: U.S. Magistrate Judge
- Service status: active
- Last verified: 2026-06-30

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career


### Education


### Additional information

- Magistrate, District Court, S.D. Florida, 1999-present

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### media and still photography

Scope: statewide

Electronic media and still-photography coverage is allowed in Florida public trial and appellate proceedings under Rule 2.450's equipment and conduct standards, always subject to the presiding judge's control of decorum, distractions, and fair administration.

Evidence excerpt: Subject at all times to the authority of the presiding judge to: (i) control the conduct of proceedings before the court; (ii) ensure decorum and prevent distractions; and (iii) ensure the fair administration of justice in the pending cause, electronic media and still photography coverage of public judicial proceedings in the appellate and trial courts of this state shall be allowed

[Florida Rule of General Practice and Judicial Administration 2.450, Media and Still Photography Coverage](https://ninthcircuit.org/florida-rule-judicial-administration-2450)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.courtlistener.com/person/9176/john-j-osullivan/)
- [Official roster](https://www.courtlistener.com/person/9176/john-j-osullivan/)
- [U.S. District Court for the Southern District of Florida current judicial profile](https://www.courtlistener.com/person/9176/john-j-osullivan/)
- [Florida Rule of General Practice and Judicial Administration 2.450, Media and Still Photography Coverage](https://ninthcircuit.org/florida-rule-judicial-administration-2450)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/9176/john-j-osullivan/)

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## Published courtroom rules

### Shared court rules

- [Federal Rules of Civil Procedure, December 1, 2025](https://knowjudges.com/courtroom-rules/national-shared-set-651872d6e45e0d82319ecccc) — Civil actions in United States District Courts; Rule 81 exceptions apply. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.uscourts.gov/sites/default/files/document/federal-rules-of-civil-procedure.pdf). Collected 2026-10-27.
- [Federal Rules of Criminal Procedure, December 1, 2025](https://knowjudges.com/courtroom-rules/national-shared-set-8721a344fececced2257fe1d) — Criminal proceedings in United States District Courts; this conservative mapping does not distribute appellate-specific provisions to appellate judges. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.uscourts.gov/sites/default/files/document/federal-rules-of-criminal-procedure.pdf). Collected 2026-10-27.