Atty. John Mark Isen

Atty. John Mark Isen

John Mark Isen is a lawyer. John has been licensed for 53 years.

Sherman Oaks Sherman Oaks 53 yrs experience 53 year
Call (818) 646-7209 Book Appointment

Profile Summary

About John Mark Isen at a glance

John Mark Isen is a Member based in Sherman Oaks, California, practicing at Law Office Of John M Isen. They have 53+ years of legal experience, licensed to practice since 1973. Admitted to practice in California (1973). Educated at University of Arizona College of Law J.D. (—). Serands clients in Sherman Oaks, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mark Isen is a lawyer
  • John has been licensed for 53 years
  • John practices at Law Office of John M. Isen in Sherman Oaks, CA

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 Sherman Oaks 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 Sherman Oaks or all attorneys in California.

Frequently Asked

Common questions about John Mark Isen

Where is John Mark Isen's law office located?
John Mark Isen's law practice is located in Sherman Oaks, California. The firm is Law Office Of John M Isen. You can contact the office directly through this profile page.
How long has John Mark Isen practiced law?
John Mark Isen has 53+ years of legal experience and has been licensed since 1973.
Where did John Mark Isen go to law school?
John Mark Isen earned their education at (—).
How can I contact John Mark Isen for a consultation?
You can contact John Mark Isen 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

University of Arizona College of Law J.D.
- In Progress

Bar Admissions

California
Admitted: 1973

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