Atty. Seth Barney Kosto

Atty. Seth Barney Kosto

Seth Barney Kosto is a lawyer practicing public law, litigation, white collar crime. Seth received a B.A. degree from Yale University in 1993, and has been licensed for 28 years.

Boston Boston 28 yrs experience 28 year
Call (857) 930-7903 Book Appointment

Profile Summary

About Seth Barney Kosto at a glance

Seth Barney Kosto is a white collar, litigation, and government attorney based in Boston, Massachusetts. They have 28+ years of legal experience, licensed to practice since 1998. Admitted to practice in Massachusetts (1998), U.S. District Court, District of Massachusetts (1999), U.S. Court of Appeals, First Circuit (2000), and U.S. Court of Appeals, Third Circuit (2003). Educated at Boston College (J.D., 1998) and Yale University (B.A., 1993). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Seth Barney Kosto is a lawyer practicing public law, litigation, white collar crime
  • Seth received a B.A. degree from Yale University in 1993, and has been licensed for 28 years
  • Seth practices in Boston, MA

Practice Areas Explained

Seth Barney Kosto's Areas of Practice

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

White Collar Crimes

Seth Barney Kosto is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Massachusetts →

Civil Litigation

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

Seth Barney Kosto is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Seth Barney Kosto is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Seth Barney Kosto

Where is Seth Barney Kosto's law office located?
Seth Barney Kosto's law practice is located in Boston, Massachusetts. You can contact the office directly through this profile page.
What practice areas does Seth Barney Kosto handle?
Seth Barney Kosto focuses on white collar, litigation, government. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Seth Barney Kosto practiced law?
Seth Barney Kosto has 28+ years of legal experience and has been licensed since 1998.
Where did Seth Barney Kosto go to law school?
Seth Barney Kosto earned their education at (J.D., 1998); (B.A., 1993).
How can I contact Seth Barney Kosto for a consultation?
You can contact Seth Barney Kosto 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.
Boston College
- 1998
B.A.
Yale University
- 1993

Bar Admissions

Massachusetts
Admitted: 1998
U.S. District Court, District of Massachusetts
Admitted: 1999
U.S. Court of Appeals, First Circuit
Admitted: 2000
U.S. Court of Appeals, Third Circuit
Admitted: 2003

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