Atty. John A. Mackerron III

Atty. John A. Mackerron III

John A. Mackerron III is a lawyer practicing asset-backed securities, repackagings, banking and debt capital markets and 5 other areas of law.

New York New York 42 yrs experience 42 year
Call (917) 920-7799 Book Appointment

Profile Summary

About John A. Mackerron III at a glance

John A. Mackerron III is a Partner based in New York, New York, practicing at Orrick, Herrington & Sutcliffe LLP. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on business and securities. Admitted to practice in California (1984) and New York (1988). Educated at University of California, Hastings College of the Law (J.D., 1984) and Washington State University (B.A., 1979). Active member of State Bar of California New York State Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John A. Mackerron III is a lawyer practicing asset-backed securities, repackagings, banking and debt capital markets and 5 other areas of law
  • John received a B.A. degree from Washington State University in 1979, and has been licensed for 42 years
  • John practices at Orrick, Herrington & Sutcliffe LLP in New York, NY

Practice Areas Explained

John A. Mackerron III's Areas of Practice

Each practice area below reflects the types of cases John A. Mackerron III 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.

John A. Mackerron III is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Securities Law

John A. Mackerron III is one of 64,529 securities attorneys indexed nationally. Browse securities 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 John A. Mackerron III

Where is John A. Mackerron III's law office located?
John A. Mackerron III's law practice is located in New York, New York. The firm is Orrick, Herrington & Sutcliffe LLP. You can contact the office directly through this profile page.
What practice areas does John A. Mackerron III handle?
John A. Mackerron III focuses on business, securities. Each practice area listed reflects experience handling cases of that type in New York.
How long has John A. Mackerron III practiced law?
John A. Mackerron III has 42+ years of legal experience and has been licensed since 1984.
Where did John A. Mackerron III go to law school?
John A. Mackerron III earned their education at (J.D., 1984); (B.A., 1979).
How can I contact John A. Mackerron III for a consultation?
You can contact John A. Mackerron III 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.
University of California, Hastings College of the Law
- 1984
B.A.
Washington State University
- 1979

Bar Admissions

California
Admitted: 1984
New York
Admitted: 1988

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.