Atty. William Alan Shirley

Atty. William Alan Shirley

William Alan Shirley is a lawyer practicing international law, securities / investment fraud, banking and financial services and 2 other areas of law. William received a A.B. degree from Stanford University in 1981, and has been licensed for 39 years.

New York New York 39 yrs experience 39 year
Call (301) 450-0704 Book Appointment

Profile Summary

About William Alan Shirley at a glance

William Alan Shirley is a Counsel based in New York, New York, practicing at Sidley Austin LLP. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on business, securities, consumer, and international. Admitted to practice in New York (1987). Educated at Columbia University (J.D., 1986) and Stanford University (A.B., 1981). Recognitions include Peer Reviewed. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Alan Shirley is a lawyer practicing international law, securities / investment fraud, banking and financial services and 2 other areas of law
  • William received a A.B. degree from Stanford University in 1981, and has been licensed for 39 years
  • William practices at Sidley Austin LLP in New York, NY

Practice Areas Explained

William Alan Shirley's Areas of Practice

Each practice area below reflects the types of cases William Alan Shirley 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.

William Alan Shirley is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Securities Law

William Alan Shirley is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Consumer Protection

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

William Alan Shirley is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in New York →

International Law

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

William Alan Shirley 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 William Alan Shirley

Where is William Alan Shirley's law office located?
William Alan Shirley's law practice is located in New York, New York. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does William Alan Shirley handle?
William Alan Shirley focuses on business, securities, consumer, international. Each practice area listed reflects experience handling cases of that type in New York.
How long has William Alan Shirley practiced law?
William Alan Shirley has 39+ years of legal experience and has been licensed since 1987.
Where did William Alan Shirley go to law school?
William Alan Shirley earned their education at (J.D., 1986); (A.B., 1981).
How can I contact William Alan Shirley for a consultation?
You can contact William Alan Shirley 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 William Alan Shirley received?
William Alan Shirley's notable recognition includes: Peer Reviewed.

Education

J.D.
Columbia University
- 1986
A.B.
Stanford University
- 1981

Awards

Peer Reviewed

Bar Admissions

New York
Admitted: 1987

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