Atty. Daniel Mark Dunson

Atty. Daniel Mark Dunson

Daniel Mark Dunson is a lawyer practicing broker-dealer regulation, securities & investment fraud, financial services and 3 other areas of law. Daniel received a degree from Ohio State University in 1968, and has been licensed for 53 years.

New York New York 53 yrs experience 53 year
Call (917) 997-6616 Book Appointment

Broker Dealer Regulation & More Attorney · Serving New York, NY · 53+ Years Experience

Profile Summary

About Daniel Mark Dunson at a Glance

Daniel Mark Dunson is an Of Counsel based in New York, New York, practicing at Sullivan And Cromwell Llp. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on business, securities, and consumer. Admitted to practice in New York (1973). Educated at Harvard Law School (J.D., 1971) and Ohio State University (B.Sc., 1968). Recognitions include AV Preeminent. Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Daniel Mark Dunson

  • Daniel Mark Dunson is a lawyer practicing broker-dealer regulation, securities & investment fraud, financial services and 3 other areas of law
  • Daniel received a degree from Ohio State University in 1968, and has been licensed for 53 years
  • Daniel practices at Sullivan & Cromwell LLP in New York, NY

Practice Areas Explained

Daniel Mark Dunson's Areas of Legal Practice

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

Business & Corporate Law in New York

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Daniel Mark Dunson is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →

Securities Law in New York

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

Consumer Protection in New York

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

Daniel Mark Dunson is one of 50,226 consumer attorneys indexed nationally. Browse consumer 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 Daniel Mark Dunson

Where is Daniel Mark Dunson's law office located?
Daniel Mark Dunson's law practice is located in New York, New York. The firm is Sullivan And Cromwell Llp. You can contact the office directly through this profile page.
What practice areas does Daniel Mark Dunson handle?
Daniel Mark Dunson focuses on business, securities, consumer. Each practice area listed reflects experience handling cases of that type in New York.
How long has Daniel Mark Dunson practiced law?
Daniel Mark Dunson has 53+ years of legal experience and has been licensed since 1973.
Where did Daniel Mark Dunson go to law school?
Daniel Mark Dunson earned their education at (J.D., 1971); (B.Sc., 1968).
How can I contact Daniel Mark Dunson for a consultation?
You can contact Daniel Mark Dunson 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 Daniel Mark Dunson received?
Daniel Mark Dunson's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in New York Choose Daniel Mark Dunson

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 Daniel Mark Dunson's practice in the field of business, securities, and consumer.

Decade-Tested Legal Experience

Daniel Mark Dunson brings 53+ 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 business, securities, and consumer, Daniel Mark Dunson 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 Daniel Mark Dunson attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Daniel Mark Dunson Handles in New York

Below is a representative sample of the types of matters Daniel Mark Dunson has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Daniel Mark Dunson directly to discuss the specifics of your situation.

Search Reference

How People Find Daniel Mark Dunson 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 Daniel Mark Dunson.

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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 Daniel Mark Dunson directly.

Education & Law School Background

J.D.
Harvard Law School
- 1971
B.Sc.
Ohio State University
- 1968

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1973

Client Reviews & Ratings — Daniel Mark Dunson

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