Atty. John Paul Breen

Atty. John Paul Breen

John Paul Breen is a lawyer practicing intellectual property, biotechnology, international ip and 3 other areas of law. John received a Ph.D. degree from Indiana University in 1990, and has been licensed for 33 years.

Washington Washington 33 yrs experience 33 year
Call (771) 223-2304 Book Appointment

Profile Summary

About John Paul Breen at a glance

John Paul Breen is an Of Counsel based in Washington, District of Columbia, practicing at Barnes And Thornburg Llp. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on ip, litigation, and international. Admitted to practice in Indiana (1993). Educated at Indiana University - Bloomington (J.D., 1993) and Indiana University (Ph.D. University, 1990). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Paul Breen is a lawyer practicing intellectual property, biotechnology, international ip and 3 other areas of law
  • John received a Ph.D. degree from Indiana University in 1990, and has been licensed for 33 years
  • John practices at Barnes & Thornburg LLP in Washington, DC

Practice Areas Explained

John Paul Breen's Areas of Practice

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

Intellectual Property

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

John Paul Breen is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John Paul Breen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

John Paul Breen is one of 40,133 international attorneys indexed nationally. Browse international attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about John Paul Breen

Where is John Paul Breen's law office located?
John Paul Breen's law practice is located in Washington, District of Columbia. The firm is Barnes And Thornburg Llp. You can contact the office directly through this profile page.
What practice areas does John Paul Breen handle?
John Paul Breen focuses on ip, litigation, international. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John Paul Breen practiced law?
John Paul Breen has 33+ years of legal experience and has been licensed since 1993.
Where did John Paul Breen go to law school?
John Paul Breen earned their education at (J.D., 1993); (Ph.D. University, 1990).
How can I contact John Paul Breen for a consultation?
You can contact John Paul Breen 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.
Indiana University - Bloomington
- 1993
Ph.D. University
Indiana University
- 1990

Bar Admissions

Indiana
Admitted: 1993

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