Atty. John David Lyon

Atty. John David Lyon

John David Lyon is a lawyer practicing business law, contracts, wills and probate and 3 other areas of law. John has been licensed for 64 years.

Beverly Hills Beverly Hills 64 yrs experience 64 year
Call (424) 483-5012 Book Appointment

Profile Summary

About John David Lyon at a glance

John David Lyon is a contracts, trusts, probate, business, and aviation attorney based in Beverly Hills, California. They have 64+ years of legal experience, licensed to practice since 1962. Admitted to practice in New York (1962), California (1974), and New Mexico (1986). Educated at Harvard University Law School law (—). Serands clients in Beverly Hills, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John David Lyon is a lawyer practicing business law, contracts, wills and probate and 3 other areas of law
  • John has been licensed for 64 years
  • John practices in Beverly Hills, CA

Practice Areas Explained

John David Lyon's Areas of Practice

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

Contracts

John David Lyon is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in California →

Trusts

John David Lyon is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in California →

Probate

John David Lyon is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in California →

Business & Corporate Law

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

John David Lyon is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

John David Lyon is one of 9,225 aviation attorneys indexed nationally. Browse aviation 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 Beverly Hills 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 Beverly Hills or all attorneys in California.

Frequently Asked

Common questions about John David Lyon

Where is John David Lyon's law office located?
John David Lyon's law practice is located in Beverly Hills, California. You can contact the office directly through this profile page.
What practice areas does John David Lyon handle?
John David Lyon focuses on contracts, trusts, probate, business, aviation. Each practice area listed reflects experience handling cases of that type in California.
How long has John David Lyon practiced law?
John David Lyon has 64+ years of legal experience and has been licensed since 1962.
Where did John David Lyon go to law school?
John David Lyon earned their education at (—).
How can I contact John David Lyon for a consultation?
You can contact John David Lyon 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

Harvard University Law School law
- In Progress

Bar Admissions

New York
Admitted: 1962
California
Admitted: 1974
New Mexico
Admitted: 1986

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