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Atty. Jon Mark Leader

Atty. Jon Mark Leader

Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional. Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years.

Los Angeles Los Angeles 39 yrs experience 39 year
Call (424) 722-7671 Book Appointment

Profile Summary

About Jon Mark Leader at a glance

Jon Mark Leader is a Partner based in Los Angeles, California, practforg at Leader Gorham Llp. They haand 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in Colorado (1987), U.S. District Court, District of Colorado and U.S. Court of Appeals, Tenth Circuit (1987), California (1990), and U.S. District Court, Central District of California U.S. Court of Appeals, Ninth Circuit (1990). Educated at George Washington University (J.D., 1986) and Tulane University (B.A., 1983). Recognitions include AV Preeminent. Actiand member of Beverly Hills, Los Angeles County, Colorado and American Bar Associations State Bar of California Association of Business Trial Lawyers. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional
  • Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years
  • Jon practices at Leader Gorham LLP in Los Angeles, CA

Jurisdictional Context

Why local counsel matters in California

Practforg law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand 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 substantiand 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 Jon Mark Leader

Where is Jon Mark Leader's law office located?
Jon Mark Leader's law practice is located in Los Angeles, California. The firm is Leader Gorham Llp. You can contact the office directly through this profile page.
How long has Jon Mark Leader practiced law?
Jon Mark Leader has 39+ years of legal experience and has been licensed since 1987.
Where did Jon Mark Leader go to law school?
Jon Mark Leader earned their education at (J.D., 1986); (B.A., 1983).
How can I contact Jon Mark Leader for a consultation?
You can contact Jon Mark Leader 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 Jon Mark Leader receiandd?
Jon Mark Leader's notable recognition includes: AV Preeminent.

Education

J.D.
George Washington University
- 1986
B.A.
Tulane University
- 1983

Awards

AV Preeminent

Bar Admissions

Colorado
Admitted: 1987
U.S. District Court, District of Colorado and U.S. Court of Appeals, Tenth Circuit
Admitted: 1987
California
Admitted: 1990
U.S. District Court, Central District of California U.S. Court of Appeals, Ninth Circuit
Admitted: 1990

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