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Atty. Derek P. Sieck

Atty. Derek P. Sieck

Derek P. Sieck is a lawyer practicing medical products litigation.

Webster Groves Webster Groves 9 Years Experience 9 year
Call (314) 408-3130

Profile Summary

About Derek P. Sieck at a glance

Derek P. Sieck is an Attorney based in Webster Groves, Missouri, practforg at OnderLaw. They haand 9+ years of legal experience, licensed to practice since 2017. Admitted to practice in Missouri (2017), Illinois (2018), and Kansas (2018). Educated at University of Iowa (B.B.A., 2014) and Saint Louis University School of Law J.D. (โ€”). Serands clients in Webster Groves, MO and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Derek P. Sieck is a lawyer practicing medical products litigation
  • Derek P. received a B.B.A. degree from University of Iowa in 2014, and has been licensed for 9 years
  • Derek P. practices at OnderLaw in Webster Groves, 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 Webster Groves 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 Webster Groves or all attorneys in Missouri.

Frequently Asked

Common questions about Derek P. Sieck

Where is Derek P. Sieck's law office located?
Derek P. Sieck's law practice is located in Webster Groves, Missouri. The firm is OnderLaw. You can contact the office directly through this profile page.
How long has Derek P. Sieck practiced law?
Derek P. Sieck has 9+ years of legal experience and has been licensed since 2017.
Where did Derek P. Sieck go to law school?
Derek P. Sieck earned their education at (B.B.A., 2014); (โ€”).
How can I contact Derek P. Sieck for a consultation?
You can contact Derek P. Sieck 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

B.B.A.
University of Iowa
- 2014
โ€”
Saint Louis University School of Law J.D.
- In Progress

Bar Admissions

Missouri
Admitted: 2017
Illinois
Admitted: 2018
Kansas
Admitted: 2018

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