Atty. Mark S. Greenfield

Atty. Mark S. Greenfield

Mark S. Greenfield is a lawyer practicing mergers & acquisitions, securities, corporate governance and 13 other areas of law.

Los Angeles Los Angeles 52 yrs experience 52 year
Call (626) 995-2104 Book Appointment

Profile Summary

About Mark S. Greenfield at a glance

Mark S. Greenfield is a Partner based in Los Angeles, California, practicing at Blank Rome LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on business, m&a, securities, environmental, and health care. Admitted to practice in California (1974). Educated at University of California Berkeley, Boalt Hall School of Law J.D. (—) and University of California, Los Angeles B.A. magna cum laude (—). Recognitions include AV Preeminent. Active member of MEMBERSHIPS American Bar Association Los Angeles County Bar Association. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark S. Greenfield is a lawyer practicing mergers & acquisitions, securities, corporate governance and 13 other areas of law
  • Mark received a B.A. degree from University of California, Los Angeles, and has been licensed for 52 years
  • Mark practices at Blank Rome LLP in Los Angeles, CA

Practice Areas Explained

Mark S. Greenfield's Areas of Practice

Each practice area below reflects the types of cases Mark S. Greenfield 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.

Mark S. Greenfield is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

Mark S. Greenfield is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Securities Law

Mark S. Greenfield is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in California →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Mark S. Greenfield is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in California →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mark S. Greenfield is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Mark S. Greenfield

Where is Mark S. Greenfield's law office located?
Mark S. Greenfield's law practice is located in Los Angeles, California. The firm is Blank Rome LLP. You can contact the office directly through this profile page.
What practice areas does Mark S. Greenfield handle?
Mark S. Greenfield focuses on business, m&a, securities, environmental, health care. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark S. Greenfield practiced law?
Mark S. Greenfield has 52+ years of legal experience and has been licensed since 1974.
Where did Mark S. Greenfield go to law school?
Mark S. Greenfield earned their education at (—); (—).
How can I contact Mark S. Greenfield for a consultation?
You can contact Mark S. Greenfield 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 Mark S. Greenfield received?
Mark S. Greenfield's notable recognition includes: AV Preeminent.

Education

University of California Berkeley, Boalt Hall School of Law J.D.
- In Progress
University of California, Los Angeles B.A. magna cum laude
- In Progress

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1974

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