William Duffin at a glance
- Current role
- U.S. Magistrate Judge
- Court
- U.S. District Court for the Eastern District of Wisconsin
- Jurisdiction
- Wisconsin · Federal
- Judicial service
- Active
William Duffin
U.S. Magistrate Judge · U.S. District Court for the Eastern District of Wisconsin
Available research
Biography
Professional career
- Law Clerk, Iowa Supreme Court, 1987–1988 (to K. David Harris)
- Practitioner, Godfrey & Kahn, S.C.
Judicial service
- Magistrate, District Court, E.D. Wisconsin, 2014-present
Education
- Univ. of Iowa · J.D., 1987
- Univ. of Illinois at Urbana-Champaign · B.S., 1984
Courtroom rules and guidance
Civil Remote Testimony
In federal district-court civil proceedings, testimony is ordinarily taken in open court; remote contemporaneous testimony requires good cause in compelling circumstances and appropriate safeguards.
For good cause in compelling circumstances and with appropriate safeguards, the court may permit testimony in open court by contemporaneous transmission from a different location.Federal Rule of Civil Procedure 43(a), Testimony in Open Court ↗
Criminal Recording And Broadcasting
Federal district courts may not permit courtroom photography or broadcasting during criminal judicial proceedings unless a statute or another federal rule provides an exception.
Except as otherwise provided by a statute or these rules, the court must not permit the taking of photographs in the courtroom during judicial proceedings or the broadcasting of judicial proceedings from the courtroom.Federal Rule of Criminal Procedure 53, Courtroom Photographing and Broadcasting Prohibited ↗
Sources
Federal Judicial Center biography
Identity source · HTML · checked July 29, 2026
https://www.uscourts.gov/sites/default/files/document/cjra_na_0331.2026.pdf#page=71CourtListener judicial biographical directory
Identity source · HTML · checked August 2, 2026
https://www.courtlistener.com/person/9640/william-duffin/Federal Rule of Civil Procedure 43(a), Testimony in Open Court
Judge research source · HTML · checked July 26, 2026
https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-civil-procedureFederal Rule of Criminal Procedure 53, Courtroom Photographing and Broadcasting Prohibited
Judge research source · HTML · checked July 26, 2026
https://www.uscourts.gov/court-records/access-court-proceedings/remote-public-access-proceedings/history-cameras-broadcasting-and-remote-public-access-courts