John C. Schleiffarth
Facebook LinkedIn

John C. Schleiffarth

75 West Lockwood Avenue
Suite 250
Webster Groves, MO 63119

Phone: 314-561-9690

Website: jcsattorney.com

National Task Force Task-Force-Member General Member

About John C. Schleiffarth

John Schleiffarth is licensed to practice in both the state courts of Missouri and the Federal Courts in the Eastern District of Missouri. We offer free consultations and payment plans are available in most cases. JCS Law is a member of MACDL ( Missouri Assc. of Criminal Defense Lawyers, NACDL (National Assc. of Criminal Defense Lawyers), BAMSL (Bar Assc. of Metro. St. Louis), JRCLS (J. Rueben Clark Law Society) and the Missouri Bar. John Schleiffarth and JCS Law have been awarded a Client Distinction Award in 2013 and 2014 from Martindale-Hubbell, Avvo.com Clients Choice Awards for DWI, Bankruptcy and Criminal Defense in 2012 and 2013, JCS Law was featured in Attorney At Law Magazine in December of 2012 as “Firm of the Month” and JCS Law is Fully Accredited by the BBB with an A rating. 2014 Summer Session Graduate; 2015 Summer Session Graduate; 2016 Summer Session Graduate; 2017 Summer Session Graduate; 2018 Summer Session Graduate

Contact John C. Schleiffarth

Provide some details about your situation, but remember not to include sensitive information. An attorney-client relationship is only formed once an attorney formally agrees to represent you.

Your Name *

Phone Number

Email Address

Message *

Submit Form

Find an Attorney

Enter your city, state, or Zip code below to locate a qualified attorney who has demonstrated a commitment to defend those accused of DUI and related crimes.

FIND AN ATTORNEYSearch

Members in the SpotlightMembers in
the Spotlight
06/27/2025

Priscilla Frisby

Priscilla Frisby: The NCDD Member in the Spotlight is Priscilla Frisby of Tucson, Arizona. Priscilla has practiced law for approximately 17 years. She speaks fluent Spanish. Priscilla was born in Douglas, Arizona and raised in neighboring Agua Prieta, Sonora, Mexico (across the border from Douglas, Arizona). At the age of 10, her parents bought a house on the United States side,...

Read More
View All

Members in the SpotlightLatest from
Our Blog
06/27/2025

Interview With an Amicus

Written by Michelle L. Behan Amicus Curiae (Latin for "Friend of the Court") refers to a brief that is filed by an interested, non-party to the matter under consideration. This is often done...

Read More
View All

FROM OUR BLOG

Interview With an Amicus

06/27/2025

Written by Michelle L. Behan Amicus Curiae (Latin for "Friend of the Court") refers to a brief that is filed by an interested, non-party to the matter under consideration. This is often done in cases where organizations and entities wish to provide the reviewing court with their point of view, be it social or public policy implications, or special interest agendas....

Read More

Keeping FSTs Out of a Trial

04/23/2025

Written by Neil Halttunen I want to address a common issue that DWI practitioners are facing, trying to keep FSTs out of a trial. One way is to take the position that FSTs are scientific evidence and make the prosecutor lay scientific foundation which they rarely can do. The HGN test was the result of several studies. See Generally Session 8 of...

Read More
Read All Posts
Back to Top