Atty. John L. Castelly

Atty. John L. Castelly

John L. Castelly is a lawyer practicing general practice, privacy law, securities and 2 other areas of law.

Santa Clara Santa Clara 24 yrs experience 24 year
Call (669) 330-1602 Book Appointment

Profile Summary

About John L. Castelly at a glance

John L. Castelly is a Morgan Stanley based in Santa Clara, California. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on securities, adr, and internet. Admitted to practice in New York (2002), U.S. District Court, Southern District of New York (2003), U.S. District Court, Eastern District of New York (2003), and California (2019). Educated at Columbia University School of Law (J.D., 2001) and City College of New York (B.A., 1998). Serands clients in Santa Clara, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John L. Castelly is a lawyer practicing general practice, privacy law, securities and 2 other areas of law
  • John received a B.A. degree from City College of New York in 1998, and has been licensed for 24 years
  • John practices in Santa Clara, CA

Practice Areas Explained

John L. Castelly's Areas of Practice

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

Securities Law

John L. Castelly is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in California →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

John L. Castelly is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in California →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

John L. Castelly is one of 17,958 internet attorneys indexed nationally. Browse internet 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 Santa Clara 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 Santa Clara or all attorneys in California.

Frequently Asked

Common questions about John L. Castelly

Where is John L. Castelly's law office located?
John L. Castelly's law practice is located in Santa Clara, California. You can contact the office directly through this profile page.
What practice areas does John L. Castelly handle?
John L. Castelly focuses on securities, adr, internet. Each practice area listed reflects experience handling cases of that type in California.
How long has John L. Castelly practiced law?
John L. Castelly has 24+ years of legal experience and has been licensed since 2002.
Where did John L. Castelly go to law school?
John L. Castelly earned their education at (J.D., 2001); (B.A., 1998).
How can I contact John L. Castelly for a consultation?
You can contact John L. Castelly 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.
Columbia University School of Law
- 2001
B.A.
City College of New York
- 1998

Bar Admissions

New York
Admitted: 2002
U.S. District Court, Southern District of New York
Admitted: 2003
U.S. District Court, Eastern District of New York
Admitted: 2003
California
Admitted: 2019

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