Atty. John Bruce Duncan

Atty. John Bruce Duncan

John Bruce Duncan is a lawyer practicing corporations law, licensing law, tax law and 4 other areas of law. John Bruce received a degree from New York University in 1986, and has been licensed for 76 years.

Mill Valley Mill Valley 76 yrs experience 76 year
Call (341) 253-0488 Book Appointment

Profile Summary

About John Bruce Duncan at a glance

John Bruce Duncan is a estate planning, business, tax, elder law, and government attorney based in Mill Valley, California. They have 76+ years of legal experience, licensed to practice since 1950. Admitted to practice in New York (1950), Connecticut (1955), Florida (1982), and U.S. Court of International Trade (1989). Educated at New York University (LL.M., 1986) and Harvard University (J.D., 1949). Recognitions include AV Preeminent. Serands clients in Mill Valley, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Bruce Duncan is a lawyer practicing corporations law, licensing law, tax law and 4 other areas of law
  • John Bruce received a degree from New York University in 1986, and has been licensed for 76 years
  • John Bruce practices in Mill Valley, CA

Practice Areas Explained

John Bruce Duncan's Areas of Practice

Each practice area below reflects the types of cases John Bruce Duncan handles, with a brief overview of what that area of law covers.

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

John Bruce Duncan is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Bruce Duncan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

John Bruce Duncan is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in California →

Elder Law

Elder law attorneys for Medicaid planning, long-term care, guardianship, conservatorship, and elder abuse.

John Bruce Duncan is one of 53,430 elder law attorneys indexed nationally. Browse elder law attorneys in California →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

John Bruce Duncan is one of 132,225 government attorneys indexed nationally. Browse government attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Mill Valley or all attorneys in California.

Frequently Asked

Common questions about John Bruce Duncan

Where is John Bruce Duncan's law office located?
John Bruce Duncan's law practice is located in Mill Valley, California. You can contact the office directly through this profile page.
What practice areas does John Bruce Duncan handle?
John Bruce Duncan focuses on estate planning, business, tax, elder law, government. Each practice area listed reflects experience handling cases of that type in California.
How long has John Bruce Duncan practiced law?
John Bruce Duncan has 76+ years of legal experience and has been licensed since 1950.
Where did John Bruce Duncan go to law school?
John Bruce Duncan earned their education at (LL.M., 1986); (J.D., 1949).
How can I contact John Bruce Duncan for a consultation?
You can contact John Bruce Duncan 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.
What awards or recognition has John Bruce Duncan received?
John Bruce Duncan's notable recognition includes: AV Preeminent.

Education

LL.M.
New York University
- 1986
J.D.
Harvard University
- 1949

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1950
Connecticut
Admitted: 1955
Florida
Admitted: 1982
U.S. Court of International Trade
Admitted: 1989
California
Admitted: 1990

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