Atty. John Schleiffarth

Atty. John Schleiffarth

John Schleiffarth is a third-generation native of the Saint Louis area and a proud graduate of Kirkwood High School. As an accomplished attorney, John is recognized for his commitment to excellence in criminal defense, earning accolades such as the Super Lawyers Rising Star designation and being named one of the “10 Best” DWI Attorneys in Missouri for Client Satisfaction by the American Institute of DUI Attorneys.

St. Louis St. Louis 16 yrs experience 16 year
Call (314) 282-4855 Book Appointment

Profile Summary

About John Schleiffarth at a glance

John Schleiffarth is an Attorney and Founder based in St. Louis, Missouri, practicing at JCS Law. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on dui/dwi, drug crimes, criminal defense, federal crimes, and white collar. Admitted to practice in Missouri (2010) and U.S. District Court, Eastern District of Missouri (2010). Educated at Barry University, Dwayne O. Andreas School of Law (J.D., 2010) and Brigham Young University (B.A. International, 2005). Provides legal services in German French. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Schleiffarth is a third-generation native of the Saint Louis area and a proud graduate of Kirkwood High School
  • As an accomplished attorney, John is recognized for his commitment to excellence in criminal defense, earning accolades such as the Super Lawyers Rising Star designation and being named one of the “10 Best” DWI Attorneys in Missouri for Client Satisfaction by the American Institute of DUI Attorneys
  • He has also received multiple Client Choice Awards from Avvo.com and the Martindale-Hubbell Client Distinction Award
  • John’s professional insights have been featured in prominent media outlets including St. Louis Public Radio, St. Louis Magazine, and NPR
  • He actively participates in esteemed organizations such as the Federal Bar Association, the National Association of Criminal Defense Lawyers, and the Missouri Association of Criminal Defense Lawyers
  • Outside the courtroom, John is deeply involved in his church and enjoys spending time with his wife, two daughters, and son
  • His dedication to clients and community, combined with his experience and recognition, make him a trusted advocate in the Saint Louis legal community

Practice Areas Explained

John Schleiffarth's Areas of Practice

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

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

John Schleiffarth is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Missouri →

Drug Crimes

John Schleiffarth is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in Missouri →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Schleiffarth is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →

Federal Crimes

John Schleiffarth is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in Missouri →

White Collar Crimes

John Schleiffarth is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis 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 substantive 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 St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about John Schleiffarth

Where is John Schleiffarth's law office located?
John Schleiffarth's law practice is located in St. Louis, Missouri. The firm is JCS Law. You can contact the office directly through this profile page.
What practice areas does John Schleiffarth handle?
John Schleiffarth focuses on dui/dwi, drug crimes, criminal defense, federal crimes, white collar. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has John Schleiffarth practiced law?
John Schleiffarth has 16+ years of legal experience and has been licensed since 2010.
What languages does John Schleiffarth speak?
John Schleiffarth provides legal services in German French. Bilingual representation can be especially important when contracts, testimony, or court filings require accurate translation.
Where did John Schleiffarth go to law school?
John Schleiffarth earned their education at (J.D., 2010); (B.A. International, 2005).
How can I contact John Schleiffarth for a consultation?
You can contact John Schleiffarth 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.
Barry University, Dwayne O. Andreas School of Law
- 2010
B.A. International
Brigham Young University
- 2005

Languages

Bar Admissions

Missouri
Admitted: 2010
U.S. District Court, Eastern District of Missouri
Admitted: 2010

Reviews

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