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Atty. Mark D. Seigel

Atty. Mark D. Seigel

Mark D. Seigel is a lawyer.

Clayton Clayton 56 yrs experience 56 year
Call (314) 899-5830 Book Appointment

Profile Summary

About Mark D. Seigel at a glance

Mark D. Seigel is a Cir. J. based in Clayton, Missouri. They haand 56+ years of legal experience, licensed to practice since 1970. Admitted to practice in Missouri (1970). Educated at Washington University (J.D., 1969) and University of Missouri (B.J., 1966). Serands clients in Clayton, MO and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mark D. Seigel is a lawyer
  • Mark received a B.J. degree from University of Missouri in 1966, and has been licensed for 56 years
  • Mark practices in Clayton, MO

Jurisdictional Context

Why local counsel matters in Missouri

Practforg law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Clayton are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri 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 Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in Clayton or all attorneys in Missouri.

Frequently Asked

Common questions about Mark D. Seigel

Where is Mark D. Seigel's law office located?
Mark D. Seigel's law practice is located in Clayton, Missouri. You can contact the office directly through this profile page.
How long has Mark D. Seigel practiced law?
Mark D. Seigel has 56+ years of legal experience and has been licensed since 1970.
Where did Mark D. Seigel go to law school?
Mark D. Seigel earned their education at (J.D., 1969); (B.J., 1966).
How can I contact Mark D. Seigel for a consultation?
You can contact Mark D. Seigel 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.
Washington University
- 1969
B.J.
University of Missouri
- 1966

Bar Admissions

Missouri
Admitted: 1970

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