Atty. Brian James Massengill

Atty. Brian James Massengill

Brian James Massengill is a lawyer practicing arbitration, partnership, class action and 6 other areas of law. Brian received a B.S. degree from Indiana University in 1984, and has been licensed for 31 years.

New York New York 31 yrs experience 31 year
Call (332) 209-5370 Book Appointment

Profile Summary

About Brian James Massengill at a glance

Brian James Massengill is a Partner based in New York, New York, practicing at Mayer Brown Llp. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on business, class action, white collar, litigation, and adr. Admitted to practice in Illinois (1995), US District Court for the Northern District of Illinois (1995), US Court of Appeals for the Seventh Circuit (1996), and US Court of Appeals for the Third Circuit (2001). Educated at The University of Chicago Law School (J.D., 1995) and Indiana University (B.S. Accounting, 1984). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Brian James Massengill is a lawyer practicing arbitration, partnership, class action and 6 other areas of law
  • Brian received a B.S. degree from Indiana University in 1984, and has been licensed for 31 years
  • Brian practices at Mayer Brown LLP in New York, NY and 1 other location

Practice Areas Explained

Brian James Massengill's Areas of Practice

Each practice area below reflects the types of cases Brian James Massengill 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.

Brian James Massengill is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Class Action

Brian James Massengill is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in New York →

White Collar Crimes

Brian James Massengill is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in New York →

Civil Litigation

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

Brian James Massengill is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Brian James Massengill is one of 73,906 adr attorneys indexed nationally. Browse adr 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 Brian James Massengill

Where is Brian James Massengill's law office located?
Brian James Massengill's law practice is located in New York, New York. The firm is Mayer Brown Llp. You can contact the office directly through this profile page.
What practice areas does Brian James Massengill handle?
Brian James Massengill focuses on business, class action, white collar, litigation, adr. Each practice area listed reflects experience handling cases of that type in New York.
How long has Brian James Massengill practiced law?
Brian James Massengill has 31+ years of legal experience and has been licensed since 1995.
Where did Brian James Massengill go to law school?
Brian James Massengill earned their education at (J.D., 1995); (B.S. Accounting, 1984).
How can I contact Brian James Massengill for a consultation?
You can contact Brian James Massengill 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.
The University of Chicago Law School
- 1995
B.S. Accounting
Indiana University
- 1984

Bar Admissions

Illinois
Admitted: 1995
US District Court for the Northern District of Illinois
Admitted: 1995
US Court of Appeals for the Seventh Circuit
Admitted: 1996
US Court of Appeals for the Third Circuit
Admitted: 2001
New York
Admitted: 2011
US District Court for the Southern District of New York
Admitted: 2012
US Court of Appeals for the Second Circuit
Admitted: 2013

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