Atty. Charles H. Thomas

Atty. Charles H. Thomas

Charles H. Thomas practices at Cislo & Thomas LLP Read Full Bio

Los Angeles Los Angeles 56 yrs experience 56 year
Call (424) 722-7348 Book Appointment

Profile Summary

About Charles H. Thomas at a glance

Charles H. Thomas is a Senior Partner Emeritus based in Los Angeles, California, practicing at Cislo & Thomas LLP. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on patent, trademark, copyright, ip, and trade secrets. Admitted to practice in Illinois (1970), U.S. District Court, Northern District of Illinois registered to practice before the U.S. Patent and (1970), California (1976), and U.S. District Court, Central District of California U.S. Claims Court (1976). Educated at DePaul University (J.D., 1970) and University of Illinois (B.S., 1963). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

Charles H. Thomas practices at Cislo & Thomas LLP Read Full Bio

Practice Areas Explained

Charles H. Thomas's Areas of Practice

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

Patent Law

Charles H. Thomas is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law

Charles H. Thomas is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Copyright Law

Charles H. Thomas is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in California →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Charles H. Thomas is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Trade Secrets

Charles H. Thomas is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets 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 Los Angeles 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 Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Charles H. Thomas

Where is Charles H. Thomas's law office located?
Charles H. Thomas's law practice is located in Los Angeles, California. The firm is Cislo & Thomas LLP. You can contact the office directly through this profile page.
What practice areas does Charles H. Thomas handle?
Charles H. Thomas focuses on patent, trademark, copyright, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in California.
How long has Charles H. Thomas practiced law?
Charles H. Thomas has 56+ years of legal experience and has been licensed since 1970.
Where did Charles H. Thomas go to law school?
Charles H. Thomas earned their education at (J.D., 1970); (B.S., 1963).
How can I contact Charles H. Thomas for a consultation?
You can contact Charles H. Thomas 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.
DePaul University
- 1970
B.S.
University of Illinois
- 1963

Bar Admissions

Illinois
Admitted: 1970
U.S. District Court, Northern District of Illinois registered to practice before the U.S. Patent and
Admitted: 1970
California
Admitted: 1976
U.S. District Court, Central District of California U.S. Claims Court
Admitted: 1976
U.S. Court of Appeals for the Federal Circuit and Tenth Circuit
Admitted: 1978
U.S. Supreme Court Virginia
Admitted: 1994

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