Atty. William Mahouski

Atty. William Mahouski

William Mahouski is a lawyer practicing securities / investment fraud, advertising, securities and 1 other area of law. William received a B.A. degree from Dickinson College in 2004, and has been licensed for 16 years.

New York New York 16 yrs experience 16 year
Call (332) 252-0083 Book Appointment

Profile Summary

About William Mahouski at a glance

William Mahouski is an Associate based in New York, New York, practicing at Sidley Austin LLP. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on securities, consumer, and entertainment. Admitted to practice in New York (2010). Educated at Seton Hall University School of Law (J.D., 2009) and Dickinson College (B.A., 2004). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Mahouski is a lawyer practicing securities / investment fraud, advertising, securities and 1 other area of law
  • William received a B.A. degree from Dickinson College in 2004, and has been licensed for 16 years
  • William practices at Sidley Austin LLP in New York, NY

Practice Areas Explained

William Mahouski's Areas of Practice

Each practice area below reflects the types of cases William Mahouski handles, with a brief overview of what that area of law covers.

Securities Law

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

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

William Mahouski is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment 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 Mahouski

Where is William Mahouski's law office located?
William Mahouski'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 Mahouski handle?
William Mahouski focuses on securities, consumer, entertainment. Each practice area listed reflects experience handling cases of that type in New York.
How long has William Mahouski practiced law?
William Mahouski has 16+ years of legal experience and has been licensed since 2010.
Where did William Mahouski go to law school?
William Mahouski earned their education at (J.D., 2009); (B.A., 2004).
How can I contact William Mahouski for a consultation?
You can contact William Mahouski 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.
Seton Hall University School of Law
- 2009
B.A.
Dickinson College
- 2004

Bar Admissions

New York
Admitted: 2010

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