Atty. Mark Jeffrey Stein

Atty. Mark Jeffrey Stein

Mark Jeffrey Stein is a lawyer practicing securities & investment fraud, fraud, litigation and 2 other areas of law. Mark received a B.A. degree from State University of New York at Albany in 1980, and has been licensed for 41 years.

New York New York 41 yrs experience 41 year
Call (332) 223-3793 Book Appointment

Fraud & More Attorney · Serving New York, NY · 41+ Years Experience

Profile Summary

About Mark Jeffrey Stein at a Glance

Mark Jeffrey Stein is a Partner based in New York, New York, practicing at Simpson Thacher & Bartlett LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on securities, litigation, consumer, and government. Admitted to practice in New York (1985). Educated at University of Michigan Law School (J.D., 1983) and State University of New York at Albany (B.A., 1980). Recognitions include AV Preeminent. Active member of The Association of the Bar of the City of New York. Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Jeffrey Stein

  • Mark Jeffrey Stein is a lawyer practicing securities & investment fraud, fraud, litigation and 2 other areas of law
  • Mark received a B.A. degree from State University of New York at Albany in 1980, and has been licensed for 41 years
  • Mark practices at Simpson Thacher & Bartlett LLP in New York, NY

Practice Areas Explained

Mark Jeffrey Stein's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Jeffrey Stein handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.

Securities Law in New York

Mark Jeffrey Stein is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in New York →

Civil Litigation in New York

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

Mark Jeffrey Stein is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Consumer Protection in New York

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Mark Jeffrey Stein is one of 50,226 consumer attorneys indexed nationally. Browse consumer attorneys in New York →

Government & Administrative Law in New York

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Mark Jeffrey Stein is one of 131,162 government attorneys indexed nationally. Browse government 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 venue, 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.

New York Courts and Legal Process

Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common Questions About Mark Jeffrey Stein

Where is Mark Jeffrey Stein's law office located?
Mark Jeffrey Stein's law practice is located in New York, New York. The firm is Simpson Thacher & Bartlett LLP. You can contact the office directly through this profile page.
What practice areas does Mark Jeffrey Stein handle?
Mark Jeffrey Stein focuses on securities, litigation, consumer, government. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark Jeffrey Stein practiced law?
Mark Jeffrey Stein has 41+ years of legal experience and has been licensed since 1985.
Where did Mark Jeffrey Stein go to law school?
Mark Jeffrey Stein earned their education at (J.D., 1983); (B.A., 1980).
How can I contact Mark Jeffrey Stein for a consultation?
You can contact Mark Jeffrey Stein 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 Jeffrey Stein received?
Mark Jeffrey Stein's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in New York Choose Mark Jeffrey Stein

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Jeffrey Stein's practice in the field of securities, litigation, consumer, and government.

Decade-Tested Legal Experience

Mark Jeffrey Stein brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering securities, litigation, and consumer, Mark Jeffrey Stein can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in New York

A New York-based practice means Mark Jeffrey Stein attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find Mark Jeffrey Stein Online

Prospective clients searching for legal help in New York commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Jeffrey Stein.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Jeffrey Stein directly.

Education & Law School Background

J.D.
University of Michigan Law School
- 1983
B.A.
State University of New York at Albany
- 1980

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1985

Client Reviews & Ratings — Mark Jeffrey Stein

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