Atty. Matthew J. Koster

Atty. Matthew J. Koster

Matthew J. Koster is a Partner in our New York City office.

New York New York 21 yrs experience 21 year
Call (212) 805-4407 Book Appointment

Profile Summary

About Matthew J. Koster at a glance

Matthew J. Koster is a Partner based in New York, New York, practicing at Hall Booth Smith, P.C.. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on medical malpractice, employment, slip & fall, insurance, and appellate. Admitted to practice in New Jersey (2005) and New York The United States District Court for the Southern District of New York The United States Di (2006). Educated at The University of Virginia School of Law J.D. (—) and University of Pennsylvania B.A. History, magna cum laude (—). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Matthew J. Koster is a Partner in our New York City office
  • He focuses his practice on representing employers in labor and employment matters, medical malpractice, professional malpractice and ethics, premises liability, labor law and industrial code violations, property damage, breach of contract, general liability cases, and insurance coverage disputes
  • Clients routinely engage Matthew for training and prevention seminars on best workplace practices
  • Prior to joining HBS, Matthew was Partner at a local insurance defense firm where he specialized in labor and employment, construction, professional malpractice, and premises liability matters
  • He also worked at a national law firm where he handled labor and employment, E&O liability, construction, and premises liability matters
  • Matthew earned his Juris Doctor from the University of Virginia and a Bachelor of Arts, magna cum laude, in History from the University of Pennsylvania
  • He resides in Brooklyn with his wife and two sons
  • In the Press Hall Booth Smith Expands New York City Office with Addition of Four Attorneys August 26, 2022 New York, NY - Hall Booth Smith, P.C. (HBS) has added four attorneys to its New York City office as the firm expands to serve its clients in the state of New York
  • Warren S. Koster is a Partner in our New York City office
  • He comes to HBS with extensive experience in a wide variety of insurance Read Full Article

Practice Areas Explained

Matthew J. Koster's Areas of Practice

Each practice area below reflects the types of cases Matthew J. Koster handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Matthew J. Koster is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New York →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Matthew J. Koster is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in New York →

Slip & Fall / Premises Liability

Matthew J. Koster is one of 29,473 slip & fall attorneys indexed nationally. Browse slip & fall attorneys in New York →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Matthew J. Koster is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in New York →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Matthew J. Koster is one of 86,319 appellate attorneys indexed nationally. Browse appellate 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 Matthew J. Koster

Where is Matthew J. Koster's law office located?
Matthew J. Koster's law practice is located in New York, New York. The firm is Hall Booth Smith, P.C.. You can contact the office directly through this profile page.
What practice areas does Matthew J. Koster handle?
Matthew J. Koster focuses on medical malpractice, employment, slip & fall, insurance, appellate. Each practice area listed reflects experience handling cases of that type in New York.
How long has Matthew J. Koster practiced law?
Matthew J. Koster has 21+ years of legal experience and has been licensed since 2005.
Where did Matthew J. Koster go to law school?
Matthew J. Koster earned their education at (—); (—).
How can I contact Matthew J. Koster for a consultation?
You can contact Matthew J. Koster 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

The University of Virginia School of Law J.D.
- In Progress
University of Pennsylvania B.A. History, magna cum laude
- In Progress

Bar Admissions

New Jersey
Admitted: 2005
New York The United States District Court for the Southern District of New York The United States Di
Admitted: 2006

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