Atty. Charles Peter Diamond

Atty. Charles Peter Diamond

Charles Peter Diamond is a lawyer practicing business trial and litigation, antitrust and competition, environmental law and natural resources and 3 other areas of law. Charles received a B.A. degree from University of California at Los Angeles in 1969, and has been licensed for 53 years.

Los Angeles Los Angeles 53 yrs experience 53 year
Call (424) 478-5582 Book Appointment

Profile Summary

About Charles Peter Diamond at a glance

Charles Peter Diamond is a Partner based in Los Angeles, California, practicing at O'Melveny & Myers LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on criminal defense, business, litigation, and environmental. Admitted to practice in California U.S. District Court, Central District of California U.S. Court of Appeals, Ninth Circuit (1973). Educated at University of California at Los Angeles (B.A. Economics, 1969) and New York University J.D. cum laude New York University J.D. 1973 Vanderbilt Medalist New York University J.D. Editor-in-Chief New York University J.D. New York University Law Review (—). Recognitions include AV Preeminent. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Charles Peter Diamond is a lawyer practicing business trial and litigation, antitrust and competition, environmental law and natural resources and 3 other areas of law
  • Charles received a B.A. degree from University of California at Los Angeles in 1969, and has been licensed for 53 years
  • Charles practices at O'Melveny & Myers LLP in Los Angeles, CA

Practice Areas Explained

Charles Peter Diamond's Areas of Practice

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

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.

Charles Peter Diamond is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Charles Peter Diamond is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Charles Peter Diamond is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Charles Peter Diamond is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 Peter Diamond

Where is Charles Peter Diamond's law office located?
Charles Peter Diamond's law practice is located in Los Angeles, California. The firm is O'Melveny & Myers LLP. You can contact the office directly through this profile page.
What practice areas does Charles Peter Diamond handle?
Charles Peter Diamond focuses on criminal defense, business, litigation, environmental. Each practice area listed reflects experience handling cases of that type in California.
How long has Charles Peter Diamond practiced law?
Charles Peter Diamond has 53+ years of legal experience and has been licensed since 1973.
Where did Charles Peter Diamond go to law school?
Charles Peter Diamond earned their education at (B.A. Economics, 1969); (—).
How can I contact Charles Peter Diamond for a consultation?
You can contact Charles Peter Diamond 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 Charles Peter Diamond received?
Charles Peter Diamond's notable recognition includes: AV Preeminent.

Education

B.A. Economics
University of California at Los Angeles
- 1969
New York University J.D. cum laude New York University J.D. 1973 Vanderbilt Medalist New York University J.D. Editor-in-Chief New York University J.D. New York University Law Review
- In Progress

Awards

AV Preeminent

Bar Admissions

California U.S. District Court, Central District of California U.S. Court of Appeals, Ninth Circuit
Admitted: 1973

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