Atty. Brendan Peter Cullen

Atty. Brendan Peter Cullen

Brendan Peter Cullen is a lawyer practicing securities, antitrust, criminal defense & investigations and 8 other areas of law. Brendan received a B.A. degree from University of Oregon in 1991, and has been licensed for 28 years.

New York New York 28 yrs experience 28 year
Call (424) 600-2991 Book Appointment

Profile Summary

About Brendan Peter Cullen at a glance

Brendan Peter Cullen is a Partner based in New York, New York, practicing at Sullivan And Cromwell Llp. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on formation, criminal defense, estate planning, ip, and securities. Admitted to practice in California (1998). Educated at Stanford Law School (J.D., 1995) and University of Oregon (B.A., 1991). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Brendan Peter Cullen is a lawyer practicing securities, antitrust, criminal defense & investigations and 8 other areas of law
  • Brendan received a B.A. degree from University of Oregon in 1991, and has been licensed for 28 years
  • Brendan practices at Sullivan & Cromwell LLP in New York, NY and 1 other location

Practice Areas Explained

Brendan Peter Cullen's Areas of Practice

Each practice area below reflects the types of cases Brendan Peter Cullen handles, with a brief overview of what that area of law covers.

Business Formation

Brendan Peter Cullen is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in New York →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Brendan Peter Cullen is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

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.

Brendan Peter Cullen is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Intellectual Property

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

Brendan Peter Cullen is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Securities Law

Brendan Peter Cullen is one of 64,529 securities attorneys indexed nationally. Browse securities 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 New York 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 New York or all attorneys in New York.

Frequently Asked

Common questions about Brendan Peter Cullen

Where is Brendan Peter Cullen's law office located?
Brendan Peter Cullen's law practice is located in New York, New York. The firm is Sullivan And Cromwell Llp. You can contact the office directly through this profile page.
What practice areas does Brendan Peter Cullen handle?
Brendan Peter Cullen focuses on formation, criminal defense, estate planning, ip, securities. Each practice area listed reflects experience handling cases of that type in New York.
How long has Brendan Peter Cullen practiced law?
Brendan Peter Cullen has 28+ years of legal experience and has been licensed since 1998.
Where did Brendan Peter Cullen go to law school?
Brendan Peter Cullen earned their education at (J.D., 1995); (B.A., 1991).
How can I contact Brendan Peter Cullen for a consultation?
You can contact Brendan Peter Cullen 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.
Stanford Law School
- 1995
B.A.
University of Oregon
- 1991

Bar Admissions

California
Admitted: 1998

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