Atty. John Frederic Daum

Atty. John Frederic Daum

John Frederic Daum is a lawyer practicing advertising, antitrust & trade law, appeals and 4 other areas of law. John received a B.A. degree from Harvard University, and has been licensed for 55 years.

Los Angeles Los Angeles 55 Years Experience 55 year
Call (424) 483-5855

Profile Summary

About John Frederic Daum at a glance

John Frederic Daum is an Of Counsel based in Los Angeles, California, practicing at O'Melveny & Myers LLP. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on business, litigation, environmental, insurance, and appellate. Admitted to practice in District of Columbia (1971) and California U.S. District Court, Central, Northern, and Eastern Districts of California U.S. Court of (1972). Educated at Yale University (LL.B., 1969) and Harvard University B.A. summa cum laude Harvard University B.A. Phi Beta Kappa Yale Law Journal 1967-1969 (—). Recognitions include AV Preeminent. Active member of Committee on Federal Procedure, American Bar Association. Serves clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Frederic Daum is a lawyer practicing advertising, antitrust & trade law, appeals and 4 other areas of law
  • John received a B.A. degree from Harvard University, and has been licensed for 55 years
  • John practices at O'Melveny & Myers LLP in Los Angeles, CA

Practice Areas Explained

John Frederic Daum's Areas of Practice

Each practice area below reflects the types of cases John Frederic Daum 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 Frederic Daum is one of 452,854 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.

John Frederic Daum is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Environmental Law

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

John Frederic Daum is one of 50,776 environmental attorneys indexed nationally. Browse environmental attorneys in California →

Insurance Law

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

John Frederic Daum is one of 109,871 insurance attorneys indexed nationally. Browse insurance attorneys in California →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John Frederic Daum is one of 77,587 appellate attorneys indexed nationally. Browse appellate 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 venue, 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 John Frederic Daum

Where is John Frederic Daum's law office located?
John Frederic Daum'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 John Frederic Daum handle?
John Frederic Daum focuses on business, litigation, environmental, insurance, appellate. Each practice area listed reflects experience handling cases of that type in California.
How long has John Frederic Daum practiced law?
John Frederic Daum has 55+ years of legal experience and has been licensed since 1971.
Where did John Frederic Daum go to law school?
John Frederic Daum earned their education at (LL.B., 1969); (—).
How can I contact John Frederic Daum for a consultation?
You can contact John Frederic Daum 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 John Frederic Daum received?
John Frederic Daum's notable recognition includes: AV Preeminent.

Education

LL.B.
Yale University
- 1969
Harvard University B.A. summa cum laude Harvard University B.A. Phi Beta Kappa Yale Law Journal 1967-1969
- In Progress

Awards

AV Preeminent

Bar Admissions

District of Columbia
Admitted: 1971
California U.S. District Court, Central, Northern, and Eastern Districts of California U.S. Court of
Admitted: 1972

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