Atty. Jeffrey Mark Diamond

Atty. Jeffrey Mark Diamond

Jeffrey Mark Diamond is a lawyer practicing international law, commercial, transactional real estate and 2 other areas of law. Jeffrey received a degree from Cambridge University, Cambridge, England, and has been licensed for 47 years.

New York New York 47 yrs experience 47 year
Call (301) 450-0704 Book Appointment

Profile Summary

About Jeffrey Mark Diamond at a glance

Jeffrey Mark Diamond is a Member based in New York, New York, practicing at Marcus Rosenberg & Diamond L.L.P.. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on business, real estate, hoa, and international. Admitted to practice in New York (1979). Educated at New York University School of Law (J.D., 1978) and Cambridge University, Cambridge, England 1974-1975 Cornell University (B.A., 1974). Recognitions include AV Preeminent. Active member of New York State (Member, Commercial Leasing and Condominiums and Cooperatives Committee, Real Property Law Section) and American (Member, Ground Leasing Committee) Bar Associations Association of the Bar of the City of New York. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jeffrey Mark Diamond is a lawyer practicing international law, commercial, transactional real estate and 2 other areas of law
  • Jeffrey received a degree from Cambridge University, Cambridge, England, and has been licensed for 47 years
  • Jeffrey practices at Marcus Rosenberg & Diamond L.L.P. in New York, NY

Practice Areas Explained

Jeffrey Mark Diamond's Areas of Practice

Each practice area below reflects the types of cases Jeffrey Mark Diamond 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.

Jeffrey Mark Diamond is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Jeffrey Mark Diamond is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

HOA & Condominium Law

Jeffrey Mark Diamond is one of 5,637 hoa attorneys indexed nationally. Browse hoa attorneys in New York →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Jeffrey Mark Diamond is one of 40,133 international attorneys indexed nationally. Browse international 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 Jeffrey Mark Diamond

Where is Jeffrey Mark Diamond's law office located?
Jeffrey Mark Diamond's law practice is located in New York, New York. The firm is Marcus Rosenberg & Diamond L.L.P.. You can contact the office directly through this profile page.
What practice areas does Jeffrey Mark Diamond handle?
Jeffrey Mark Diamond focuses on business, real estate, hoa, international. Each practice area listed reflects experience handling cases of that type in New York.
How long has Jeffrey Mark Diamond practiced law?
Jeffrey Mark Diamond has 47+ years of legal experience and has been licensed since 1979.
Where did Jeffrey Mark Diamond go to law school?
Jeffrey Mark Diamond earned their education at (J.D., 1978); (B.A., 1974).
How can I contact Jeffrey Mark Diamond for a consultation?
You can contact Jeffrey Mark Diamond 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 Jeffrey Mark Diamond received?
Jeffrey Mark Diamond's notable recognition includes: AV Preeminent.

Education

J.D.
New York University School of Law
- 1978
B.A.
Cambridge University, Cambridge, England 1974-1975 Cornell University
- 1974

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1979

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