Atty. John William Kastelic

Atty. John William Kastelic

John William Kastelic is a lawyer practicing securities, mergers and acquisitions, general corporate. John received a B.S. degree from Washington University in 1982, and has been licensed for 40 years.

Santa Clara Santa Clara 40 yrs experience 40 year
Call (669) 317-0180 Book Appointment

Profile Summary

About John William Kastelic at a glance

John William Kastelic is a business, m&a, and securities attorney based in Santa Clara, California. They have 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in New York (1986) and California (1987). Educated at Georgetown University Law Center (J.D., 1985) and Washington University (B.S., 1982). Serands clients in Santa Clara, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John William Kastelic is a lawyer practicing securities, mergers and acquisitions, general corporate
  • John received a B.S. degree from Washington University in 1982, and has been licensed for 40 years
  • John practices in Santa Clara, CA

Practice Areas Explained

John William Kastelic's Areas of Practice

Each practice area below reflects the types of cases John William Kastelic 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 William Kastelic is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

John William Kastelic is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Securities Law

John William Kastelic is one of 64,529 securities attorneys indexed nationally. Browse securities 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 William Kastelic

Where is John William Kastelic's law office located?
John William Kastelic's law practice is located in Santa Clara, California. You can contact the office directly through this profile page.
What practice areas does John William Kastelic handle?
John William Kastelic focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in California.
How long has John William Kastelic practiced law?
John William Kastelic has 40+ years of legal experience and has been licensed since 1986.
Where did John William Kastelic go to law school?
John William Kastelic earned their education at (J.D., 1985); (B.S., 1982).
How can I contact John William Kastelic for a consultation?
You can contact John William Kastelic 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.
Georgetown University Law Center
- 1985
B.S.
Washington University
- 1982

Bar Admissions

New York
Admitted: 1986
California
Admitted: 1987

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