Atty. Casey Thomas O'Neill

Atty. Casey Thomas O'Neill

Casey Thomas O'Neill is a lawyer practicing white collar crime. Casey has been licensed for 17 years.

San Francisco San Francisco 17 yrs experience 17 year
Call (415) 523-3375 Book Appointment

Profile Summary

About Casey Thomas O'Neill at a glance

Casey Thomas O'Neill is an Attorney based in San Francisco, California, practicing at Fenwick And West Llp. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on white collar. Admitted to practice in New York (2009) and California (2009). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Casey Thomas O'Neill is a lawyer practicing white collar crime
  • Casey has been licensed for 17 years
  • Casey practices at Fenwick & West LLP in San Francisco, CA

Practice Areas Explained

Casey Thomas O'Neill's Areas of Practice

Each practice area below reflects the types of cases Casey Thomas O'Neill handles, with a brief overview of what that area of law covers.

White Collar Crimes

Casey Thomas O'Neill is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.

Frequently Asked

Common questions about Casey Thomas O'Neill

Where is Casey Thomas O'Neill's law office located?
Casey Thomas O'Neill's law practice is located in San Francisco, California. The firm is Fenwick And West Llp. You can contact the office directly through this profile page.
What practice areas does Casey Thomas O'Neill handle?
Casey Thomas O'Neill focuses on white collar. Each practice area listed reflects experience handling cases of that type in California.
How long has Casey Thomas O'Neill practiced law?
Casey Thomas O'Neill has 17+ years of legal experience and has been licensed since 2009.
How can I contact Casey Thomas O'Neill for a consultation?
You can contact Casey Thomas O'Neill 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.

Practice Areas

Bar Admissions

New York
Admitted: 2009
California
Admitted: 2009

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