Atty. Leonard B. Katzman

Atty. Leonard B. Katzman

Leonard B. Katzman is a lawyer practicing corporate law, intellectual property, technology law.

Portsmouth Portsmouth 26 yrs experience 26 year
Call (401) 443-9129 Book Appointment

Profile Summary

About Leonard B. Katzman at a glance

Leonard B. Katzman is a Brown Univ. based in Portsmouth, Rhode Island. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on business, ip, and internet. Admitted to practice in Rhode Island (2000) and Massachusetts (2001). Educated at Roger Williams University School of Law (J.D., 2000) and University of Rhode Island (B.S., 1985). Serands clients in Portsmouth, RI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leonard B. Katzman is a lawyer practicing corporate law, intellectual property, technology law
  • Leonard received a B.S. degree from University of Rhode Island in 1985, and has been licensed for 26 years
  • Leonard practices in Portsmouth, RI

Practice Areas Explained

Leonard B. Katzman's Areas of Practice

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

Business & Corporate Law

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

Leonard B. Katzman is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Rhode Island →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Leonard B. Katzman is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Rhode Island →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Leonard B. Katzman is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Rhode Island →

Jurisdictional Context

Why local counsel matters in Rhode Island

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

Looking for additional Rhode Island attorneys? Browse all attorneys in Portsmouth or all attorneys in Rhode Island.

Frequently Asked

Common questions about Leonard B. Katzman

Where is Leonard B. Katzman's law office located?
Leonard B. Katzman's law practice is located in Portsmouth, Rhode Island. You can contact the office directly through this profile page.
What practice areas does Leonard B. Katzman handle?
Leonard B. Katzman focuses on business, ip, internet. Each practice area listed reflects experience handling cases of that type in Rhode Island.
How long has Leonard B. Katzman practiced law?
Leonard B. Katzman has 26+ years of legal experience and has been licensed since 2000.
Where did Leonard B. Katzman go to law school?
Leonard B. Katzman earned their education at (J.D., 2000); (B.S., 1985).
How can I contact Leonard B. Katzman for a consultation?
You can contact Leonard B. Katzman 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.

Education

J.D.
Roger Williams University School of Law
- 2000
B.S.
University of Rhode Island
- 1985

Bar Admissions

Rhode Island
Admitted: 2000
Massachusetts
Admitted: 2001

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