Atty. Leslie Mark Greenbaum

Atty. Leslie Mark Greenbaum

Leslie Mark Greenbaum is a lawyer practicing trademark infringement, employment & labor, copyrights and 5 other areas of law. Leslie received a B.A. degree from State University of New York College at Oneonta in 1968, and has been licensed for 52 years.

Buffalo Buffalo 52 yrs experience 52 year
Call (716) 427-5544 Book Appointment

Profile Summary

About Leslie Mark Greenbaum at a glance

Leslie Mark Greenbaum is a Member based in Buffalo, New York, practicing at Gross Shuman P.C.. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on trademark, copyright, employment, trade secrets, and litigation. Admitted to practice in New York (1974), U.S. District Court Western District of New York (1974), and U.S. Supreme Court (1988). Educated at State University of New York at Buffalo Law School (J.D., 1973) and State University of New York College at Oneonta (B.A., 1968). Recognitions include AV Preeminent. Active member of Past Chair, Intellectual Property Committee Federal Courts Committee) New York State Bar Association (Entertainment, Art and Sports Law Section, Erie County Bar Association. Serands clients in Buffalo, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leslie Mark Greenbaum is a lawyer practicing trademark infringement, employment & labor, copyrights and 5 other areas of law
  • Leslie received a B.A. degree from State University of New York College at Oneonta in 1968, and has been licensed for 52 years
  • Leslie practices at Gross Shuman P.C. in Buffalo, NY

Practice Areas Explained

Leslie Mark Greenbaum's Areas of Practice

Each practice area below reflects the types of cases Leslie Mark Greenbaum handles, with a brief overview of what that area of law covers.

Trademark Law

Leslie Mark Greenbaum is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in New York →

Copyright Law

Leslie Mark Greenbaum is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in New York →

Employment Law

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

Leslie Mark Greenbaum is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in New York →

Trade Secrets

Leslie Mark Greenbaum is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in New York →

Civil Litigation

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

Leslie Mark Greenbaum is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Buffalo 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 Buffalo or all attorneys in New York.

Frequently Asked

Common questions about Leslie Mark Greenbaum

Where is Leslie Mark Greenbaum's law office located?
Leslie Mark Greenbaum's law practice is located in Buffalo, New York. The firm is Gross Shuman P.C.. You can contact the office directly through this profile page.
What practice areas does Leslie Mark Greenbaum handle?
Leslie Mark Greenbaum focuses on trademark, copyright, employment, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has Leslie Mark Greenbaum practiced law?
Leslie Mark Greenbaum has 52+ years of legal experience and has been licensed since 1974.
Where did Leslie Mark Greenbaum go to law school?
Leslie Mark Greenbaum earned their education at (J.D., 1973); (B.A., 1968).
How can I contact Leslie Mark Greenbaum for a consultation?
You can contact Leslie Mark Greenbaum 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.
What awards or recognition has Leslie Mark Greenbaum received?
Leslie Mark Greenbaum's notable recognition includes: AV Preeminent.

Education

J.D.
State University of New York at Buffalo Law School
- 1973
B.A.
State University of New York College at Oneonta
- 1968

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1974
U.S. District Court Western District of New York
Admitted: 1974
U.S. Supreme Court
Admitted: 1988

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