Atty. Mark Blair Osuna

Atty. Mark Blair Osuna

Mark Blair Osuna is a lawyer practicing dui & dwi. Mark received a degree from San Francisco Law Sch, San Francisco, CA, and has been licensed for 35 years.

San Francisco San Francisco 35 yrs experience 35 year
Call (415) 805-7191 Book Appointment

Profile Summary

About Mark Blair Osuna at a glance

Mark Blair Osuna is a dui/dwi attorney based in San Francisco, California. They have 35+ years of legal experience, licensed to practice since 1991. Admitted to practice in California (1991). Educated at San Francisco Law Sch, San Francisco, CA San Francisco State Unv, San Francisco, CA (—). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Blair Osuna is a lawyer practicing dui & dwi
  • Mark received a degree from San Francisco Law Sch, San Francisco, CA, and has been licensed for 35 years
  • Mark practices in San Francisco, CA

Practice Areas Explained

Mark Blair Osuna's Areas of Practice

Each practice area below reflects the types of cases Mark Blair Osuna handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

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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 San Francisco 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 San Francisco or all attorneys in California.

Frequently Asked

Common questions about Mark Blair Osuna

Where is Mark Blair Osuna's law office located?
Mark Blair Osuna's law practice is located in San Francisco, California. You can contact the office directly through this profile page.
What practice areas does Mark Blair Osuna handle?
Mark Blair Osuna focuses on dui/dwi. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Blair Osuna practiced law?
Mark Blair Osuna has 35+ years of legal experience and has been licensed since 1991.
Where did Mark Blair Osuna go to law school?
Mark Blair Osuna earned their education at (—).
How can I contact Mark Blair Osuna for a consultation?
You can contact Mark Blair Osuna 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.

Practice Areas

Education

San Francisco Law Sch, San Francisco, CA San Francisco State Unv, San Francisco, CA
- In Progress

Bar Admissions

California
Admitted: 1991

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