Atty. Charles David Oh

Atty. Charles David Oh

Charles David Oh is a lawyer practicing life sciences & biotechnology, patent application, patent infringement and 2 other areas of law. Charles received a B.S. degree from Pacific Union College in 1990, and has been licensed for 22 years.

Ontario Ontario 22 yrs experience 22 year
Call (909) 314-1267 Book Appointment

Profile Summary

About Charles David Oh at a glance

Charles David Oh is a patent, medical malpractice, and insurance attorney based in Ontario, California. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in California (2004). Educated at University of LaVerne College of Law (J.D., 2002) and Pacific Union College (B.S., 1990). Serands clients in Ontario, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Charles David Oh is a lawyer practicing life sciences & biotechnology, patent application, patent infringement and 2 other areas of law
  • Charles received a B.S. degree from Pacific Union College in 1990, and has been licensed for 22 years
  • Charles practices in Ontario, CA

Practice Areas Explained

Charles David Oh's Areas of Practice

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

Patent Law

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

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Charles David Oh is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in California →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Charles David Oh is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Ontario 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 Ontario or all attorneys in California.

Frequently Asked

Common questions about Charles David Oh

Where is Charles David Oh's law office located?
Charles David Oh's law practice is located in Ontario, California. You can contact the office directly through this profile page.
What practice areas does Charles David Oh handle?
Charles David Oh focuses on patent, medical malpractice, insurance. Each practice area listed reflects experience handling cases of that type in California.
How long has Charles David Oh practiced law?
Charles David Oh has 22+ years of legal experience and has been licensed since 2004.
Where did Charles David Oh go to law school?
Charles David Oh earned their education at (J.D., 2002); (B.S., 1990).
How can I contact Charles David Oh for a consultation?
You can contact Charles David Oh 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.
University of LaVerne College of Law
- 2002
B.S.
Pacific Union College
- 1990

Bar Admissions

California
Admitted: 2004

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