Atty. John Thomas Duffey

Atty. John Thomas Duffey

John Thomas Duffey is a lawyer practicing real estate, estate planning, intellectual property. John has been licensed for 15 years.

Minneapolis Minneapolis 15 J. Erfahrung 15 year
Call (651) 461-8201 Book Appointment

Profile Summary

About John Thomas Duffey at a glance

John Thomas Duffey is an Attorney based in Minneapolis, Minnesota, practforg at Maslon LLP. They haand 15+ years of legal experience, licensed to practice since 2011. Admitted to practice in Minnesota (2011). Serands clients in Minneapolis, MN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John Thomas Duffey is a lawyer practicing real estate, estate planning, intellectual property
  • John has been licensed for 15 years
  • John practices at Maslon LLP in Minneapolis, MN

Jurisdictional Context

Why local counsel matters in Minnesota

Practforg law in Minnesota. Legal matters in Minnesota are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Minneapolis are typically filed in the local municipal court or the appropriate Minnesota state district court, depending on subject matter and amount in controversy. An attorney licensed in Minnesota brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Minnesota courts without local counsel or pro hac vice admission.

Looking for additional Minnesota attorneys? Browse all attorneys in Minneapolis or all attorneys in Minnesota.

Frequently Asked

Common questions about John Thomas Duffey

Where is John Thomas Duffey's law office located?
John Thomas Duffey's law practice is located in Minneapolis, Minnesota. The firm is Maslon LLP. You can contact the office directly through this profile page.
How long has John Thomas Duffey practiced law?
John Thomas Duffey has 15+ years of legal experience and has been licensed since 2011.
How can I contact John Thomas Duffey for a consultation?
You can contact John Thomas Duffey directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

Minnesota
Admitted: 2011

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