Atty. Theodore Walter Cassman

Atty. Theodore Walter Cassman

Theodore Walter Cassman is a lawyer practicing criminal defense, government, constitutional and 11 other areas of law. Theodore received a B.S. degree from Stanford University in 1977, and has been licensed for 45 years.

Berkeley Berkeley 45 yrs experience 45 year
Call (341) 229-1295 Book Appointment

Profile Summary

About Theodore Walter Cassman at a glance

Theodore Walter Cassman is a Member based in Berkeley, California, practicing at Arguedas, Cassman & Headley LLP. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on drug crimes, criminal defense, white collar, trade secrets, and juvenile. Admitted to practice in California (1981) and U.S. Supreme Court U.S. District Court, Central, Northern, Eastern and Southern Districts of Califor (1986). Educated at Boalt Hall School of Law, University of California (J.D., 1981) and Stanford University (B.S., 1977). Recognitions include AV Preeminent. Active member of State Bar of California. Serands clients in Berkeley, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Theodore Walter Cassman is a lawyer practicing criminal defense, government, constitutional and 11 other areas of law
  • Theodore received a B.S. degree from Stanford University in 1977, and has been licensed for 45 years
  • Theodore practices at Arguedas, Cassman & Headley LLP in Berkeley, CA

Practice Areas Explained

Theodore Walter Cassman's Areas of Practice

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

Drug Crimes

Theodore Walter Cassman is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in California →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Theodore Walter Cassman is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

White Collar Crimes

Theodore Walter Cassman is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in California →

Trade Secrets

Theodore Walter Cassman is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in California →

Juvenile Law

Theodore Walter Cassman is one of 30,631 juvenile attorneys indexed nationally. Browse juvenile 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 Berkeley 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 Berkeley or all attorneys in California.

Frequently Asked

Common questions about Theodore Walter Cassman

Where is Theodore Walter Cassman's law office located?
Theodore Walter Cassman's law practice is located in Berkeley, California. The firm is Arguedas, Cassman & Headley LLP. You can contact the office directly through this profile page.
What practice areas does Theodore Walter Cassman handle?
Theodore Walter Cassman focuses on drug crimes, criminal defense, white collar, trade secrets, juvenile. Each practice area listed reflects experience handling cases of that type in California.
How long has Theodore Walter Cassman practiced law?
Theodore Walter Cassman has 45+ years of legal experience and has been licensed since 1981.
Where did Theodore Walter Cassman go to law school?
Theodore Walter Cassman earned their education at (J.D., 1981); (B.S., 1977).
How can I contact Theodore Walter Cassman for a consultation?
You can contact Theodore Walter Cassman 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 Theodore Walter Cassman received?
Theodore Walter Cassman's notable recognition includes: AV Preeminent.

Education

J.D.
Boalt Hall School of Law, University of California
- 1981
B.S.
Stanford University
- 1977

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1981
U.S. Supreme Court U.S. District Court, Central, Northern, Eastern and Southern Districts of Califor
Admitted: 1986

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