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Atty. Mark John Seidemann

Atty. Mark John Seidemann

Mark John Seidemann is a lawyer practicing finance, corporate & securities. Mark received a B.A. degree from University of Wisconsin in 1981, and has been licensed for 39 years.

San Francisco San Francisco 39 yrs experience 39 year
Call (628) 300-1174

Profile Summary

About Mark John Seidemann at a glance

Mark John Seidemann is a Partner based in San Francisco, California, practforg at Cooper, White & Cooper LLP. They haand 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in Massachusetts (1987), California (1989), and Illinois (1990). Educated at Boston University (J.D., 1986) and University of Wisconsin (B.A., 1981). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mark John Seidemann is a lawyer practicing finance, corporate & securities
  • Mark received a B.A. degree from University of Wisconsin in 1981, and has been licensed for 39 years
  • Mark practices at Cooper, White & Cooper LLP in San Francisco, 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 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 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 San Francisco or all attorneys in California.

Frequently Asked

Common questions about Mark John Seidemann

Where is Mark John Seidemann's law office located?
Mark John Seidemann's law practice is located in San Francisco, California. The firm is Cooper, White & Cooper LLP. You can contact the office directly through this profile page.
How long has Mark John Seidemann practiced law?
Mark John Seidemann has 39+ years of legal experience and has been licensed since 1987.
Where did Mark John Seidemann go to law school?
Mark John Seidemann earned their education at (J.D., 1986); (B.A., 1981).
How can I contact Mark John Seidemann for a consultation?
You can contact Mark John Seidemann 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

J.D.
Boston University
- 1986
B.A.
University of Wisconsin
- 1981

Bar Admissions

Massachusetts
Admitted: 1987
California
Admitted: 1989
Illinois
Admitted: 1990

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