Atty. Breen Marie Sullivan

Atty. Breen Marie Sullivan

Breen Marie Sullivan is a lawyer practicing mediation, energy & utilities, litigation and 7 other areas of law. Breen received a B.A. degree from Yale University in 2001, and has been licensed for 16 years.

Brooklyn Brooklyn 16 yrs experience 16 year
Call (844) 588-2324 Book Appointment

Profile Summary

About Breen Marie Sullivan at a glance

Breen Marie Sullivan is a formation, trademark, copyright, ip, and litigation attorney based in Brooklyn, New York. They have 16+ years of legal experience, licensed to practice since 2010. Admitted to practice in New York (2010). Educated at Tulane University Law School (J.D., 2008) and Yale University (B.A., 2001). Serands clients in Brooklyn, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Breen Marie Sullivan is a lawyer practicing mediation, energy & utilities, litigation and 7 other areas of law
  • Breen received a B.A. degree from Yale University in 2001, and has been licensed for 16 years
  • Breen practices in Brooklyn, NY

Practice Areas Explained

Breen Marie Sullivan's Areas of Practice

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

Business Formation

Breen Marie Sullivan is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in New York →

Trademark Law

Breen Marie Sullivan is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in New York →

Copyright Law

Breen Marie Sullivan is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in New York →

Intellectual Property

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

Breen Marie Sullivan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Civil Litigation

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

Breen Marie Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

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

Looking for additional New York attorneys? Browse all attorneys in Brooklyn or all attorneys in New York.

Frequently Asked

Common questions about Breen Marie Sullivan

Where is Breen Marie Sullivan's law office located?
Breen Marie Sullivan's law practice is located in Brooklyn, New York. You can contact the office directly through this profile page.
What practice areas does Breen Marie Sullivan handle?
Breen Marie Sullivan focuses on formation, trademark, copyright, ip, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has Breen Marie Sullivan practiced law?
Breen Marie Sullivan has 16+ years of legal experience and has been licensed since 2010.
Where did Breen Marie Sullivan go to law school?
Breen Marie Sullivan earned their education at (J.D., 2008); (B.A., 2001).
How can I contact Breen Marie Sullivan for a consultation?
You can contact Breen Marie Sullivan 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.
Tulane University Law School
- 2008
B.A.
Yale University
- 2001

Bar Admissions

New York
Admitted: 2010

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