Atty. Dan Leonard Rosenbaum

Atty. Dan Leonard Rosenbaum

Dan Leonard Rosenbaum is a lawyer practicing corporate finance, securities finance, intellectual property and 1 other area of law. Dan received a A.B. degree from Harvard College in 1985, and has been licensed for 37 years.

New York New York 37 yrs experience 37 year
Call (332) 529-3696 Book Appointment

Profile Summary

About Dan Leonard Rosenbaum at a glance

Dan Leonard Rosenbaum is a Nomura Holding America Inc. based in New York, New York. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on business, ip, securities, and internet. Admitted to practice in New York (1989). Educated at Boston University School of Law (J.D., 1988) and Harvard College (A.B., 1985). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dan Leonard Rosenbaum is a lawyer practicing corporate finance, securities finance, intellectual property and 1 other area of law
  • Dan received a A.B. degree from Harvard College in 1985, and has been licensed for 37 years
  • Dan practices in New York, NY

Practice Areas Explained

Dan Leonard Rosenbaum's Areas of Practice

Each practice area below reflects the types of cases Dan Leonard Rosenbaum 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.

Dan Leonard Rosenbaum is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Dan Leonard Rosenbaum is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Securities Law

Dan Leonard Rosenbaum is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Dan Leonard Rosenbaum is one of 17,958 internet attorneys indexed nationally. Browse internet 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 Dan Leonard Rosenbaum

Where is Dan Leonard Rosenbaum's law office located?
Dan Leonard Rosenbaum's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does Dan Leonard Rosenbaum handle?
Dan Leonard Rosenbaum focuses on business, ip, securities, internet. Each practice area listed reflects experience handling cases of that type in New York.
How long has Dan Leonard Rosenbaum practiced law?
Dan Leonard Rosenbaum has 37+ years of legal experience and has been licensed since 1989.
Where did Dan Leonard Rosenbaum go to law school?
Dan Leonard Rosenbaum earned their education at (J.D., 1988); (A.B., 1985).
How can I contact Dan Leonard Rosenbaum for a consultation?
You can contact Dan Leonard Rosenbaum 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 University School of Law
- 1988
A.B.
Harvard College
- 1985

Bar Admissions

New York
Admitted: 1989

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