Atty. Brian Seth Marcus

Atty. Brian Seth Marcus

Brian Seth Marcus is a lawyer practicing insurance, personal injury, corporate & incorporation and 6 other areas of law. Brian received a B.A. degree from University of Illinois in 1999, and has been licensed for 23 years.

Smithtown Smithtown 23 yrs experience 23 year
Call (631) 415-1233 Book Appointment

Profile Summary

About Brian Seth Marcus at a glance

Brian Seth Marcus is a formation, trusts, personal injury, estate planning, and business attorney based in Smithtown, New York. They have 23+ years of legal experience, licensed to practice since 2003. Admitted to practice in New York (2003), U.S. District Court, Southern District of New York (2003), and U.S. District Court, Eastern District of New York (2003). Educated at Brooklyn Law School (J.D., 2002) and University of Illinois (B.A., 1999). Serands clients in Smithtown, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Brian Seth Marcus is a lawyer practicing insurance, personal injury, corporate & incorporation and 6 other areas of law
  • Brian received a B.A. degree from University of Illinois in 1999, and has been licensed for 23 years
  • Brian practices in Smithtown, NY

Practice Areas Explained

Brian Seth Marcus's Areas of Practice

Each practice area below reflects the types of cases Brian Seth Marcus handles, with a brief overview of what that area of law covers.

Business Formation

Brian Seth Marcus is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in New York →

Trusts

Brian Seth Marcus is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Brian Seth Marcus is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury 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.

Brian Seth Marcus is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Business & Corporate Law

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

Brian Seth Marcus is one of 501,317 business attorneys indexed nationally. Browse business 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 Smithtown 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 Smithtown or all attorneys in New York.

Frequently Asked

Common questions about Brian Seth Marcus

Where is Brian Seth Marcus's law office located?
Brian Seth Marcus's law practice is located in Smithtown, New York. You can contact the office directly through this profile page.
What practice areas does Brian Seth Marcus handle?
Brian Seth Marcus focuses on formation, trusts, personal injury, estate planning, business. Each practice area listed reflects experience handling cases of that type in New York.
How long has Brian Seth Marcus practiced law?
Brian Seth Marcus has 23+ years of legal experience and has been licensed since 2003.
Where did Brian Seth Marcus go to law school?
Brian Seth Marcus earned their education at (J.D., 2002); (B.A., 1999).
How can I contact Brian Seth Marcus for a consultation?
You can contact Brian Seth Marcus 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.
Brooklyn Law School
- 2002
B.A.
University of Illinois
- 1999

Bar Admissions

New York
Admitted: 2003
U.S. District Court, Southern District of New York
Admitted: 2003
U.S. District Court, Eastern District of New York
Admitted: 2003

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