Atty. Leonard D Duboff

Atty. Leonard D Duboff

Leonard D Duboff is a lawyer practicing estate planning, business, art law and 10 other areas of law. Leonard received a A.A.S. degree from Brooklyn Poly Tech in 1964, and has been licensed for 54 years.

Portland Portland 54 yrs experience 54 year
Call (971) 431-7450 Book Appointment

Profile Summary

About Leonard D Duboff at a glance

Leonard D Duboff is a Managing Partner based in Portland, Oregon, practicing at The DuBoff Law Group, LLC. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on patent, trademark, copyright, estate planning, and business. Admitted to practice in New York (1972), U.S. District Court, Southern District of New York (1974), U.S. District Court, Eastern District of New York, U.S. Court of Appeals, Second Circuit and U.S. Co (1974), and U.S. Supreme Court (1975). Educated at Brooklyn Law School (J.D., 1971) and Brooklyn Poly Tech (A.A.S. Hofstra, 1964). Recognitions include AV Preeminent. Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leonard D Duboff is a lawyer practicing estate planning, business, art law and 10 other areas of law
  • Leonard received a A.A.S. degree from Brooklyn Poly Tech in 1964, and has been licensed for 54 years
  • Leonard practices at The DuBoff Law Group, LLC in Portland, OR

Practice Areas Explained

Leonard D Duboff's Areas of Practice

Each practice area below reflects the types of cases Leonard D Duboff handles, with a brief overview of what that area of law covers.

Patent Law

Leonard D Duboff is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Oregon →

Trademark Law

Leonard D Duboff is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Oregon →

Copyright Law

Leonard D Duboff is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Oregon →

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.

Leonard D Duboff is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Oregon →

Business & Corporate Law

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

Leonard D Duboff is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Oregon →

Jurisdictional Context

Why local counsel matters in Oregon

Practicing law in Oregon. Legal matters in Oregon are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Oregon state district court, depending on subject matter and amount in controversy. An attorney licensed in Oregon 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 Oregon courts without local counsel or pro hac vice admission.

Looking for additional Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common questions about Leonard D Duboff

Where is Leonard D Duboff's law office located?
Leonard D Duboff's law practice is located in Portland, Oregon. The firm is The DuBoff Law Group, LLC. You can contact the office directly through this profile page.
What practice areas does Leonard D Duboff handle?
Leonard D Duboff focuses on patent, trademark, copyright, estate planning, business. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Leonard D Duboff practiced law?
Leonard D Duboff has 54+ years of legal experience and has been licensed since 1972.
Where did Leonard D Duboff go to law school?
Leonard D Duboff earned their education at (J.D., 1971); (A.A.S. Hofstra, 1964).
How can I contact Leonard D Duboff for a consultation?
You can contact Leonard D Duboff 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 Leonard D Duboff received?
Leonard D Duboff's notable recognition includes: AV Preeminent.

Education

J.D.
Brooklyn Law School
- 1971
A.A.S. Hofstra
Brooklyn Poly Tech
- 1964

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1972
U.S. District Court, Southern District of New York
Admitted: 1974
U.S. District Court, Eastern District of New York, U.S. Court of Appeals, Second Circuit and U.S. Co
Admitted: 1974
U.S. Supreme Court
Admitted: 1975
Oregon
Admitted: 1977
U.S. District Court, District of Oregon, U.S. Court of Appeals, Ninth Circuit
Admitted: 1990
U.S. District Court, Northern District of California
Admitted: 1995
U.S. District Court, Central District of California, U.S. Tax Court and U.S. District Court, Distric
Admitted: 1995

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