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John Schleiffarth
also known as John C. Schleiffarth, P.C.
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About John
Biography
With deep roots in the Saint Louis area, John Schleiffarth brings experience, dedication, and recognition to his legal practice. Raised in Des Peres and a Kirkwood High School alumnus, John has earned distinction as a Super Lawyers Rising Star and as one of Missouri’s “10 Best” DWI Attorneys for Client Satisfaction. He is a multi-year recipient of both the Avvo Clients Choice Award and the Martindale-Hubbell Client Distinction Award, and has been honored among “Top 40 Under 40” and “Top 100 Trial Lawyers” by the National Trial Lawyers Association. John’s legal acumen and literacy has been featured in a range of respected publications, including St. Louis Magazine, NPR, and the St. Louis Post-Dispatch. He is actively involved in professional associations such as the Federal Bar Association and the National College for DUI Defense, and maintains strong ties to his community through his church and family. John’s reputation and accolades reflect his commitment to client service and legal excellence.
BOLD AND AGGRESSIVE DEFENSE
Top 40 under 40 Award winning Criminal Trial Lawyer in Missouri! Free Consultations
Awarded "10 Best" in the State of Missouri for DWI Client satisfaction in 2014 by the AIDA!
Practice Areas
5
Practice Areas
DUI and DWI
40%
Criminal Defense
15%
Federal Crime
15%
Sex Crime
15%
Fees and Rates
Cost
Retainer
Sometimes
Payment Methods
- Cash
- Check
- Credit Card
Awards
2025 2019 2018
...
+
3
2014 2012
Licenses
Licensed in Missouri for 15 years
State: Missouri
Acquired: 2010
No misconduct found
Location
Law Offices of John Schleiffarth
75 West Lockwood Avenue, Suite 250, Saint Louis, MO, 63119
jcsattorney.com/Gallery
Online Presence
Other places you can find John online.
John Schleiffarth's Reviews
Showing 1 - 5 of 58 client reviews from Avvo
Posted by anonymous | December 9, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Professional, Effective, Superb Communication
John and his team, especially Leigh, were outstanding throughout my case. They were professional, effective, and consistently available whenever I needed them. Their communication was excellent—every call or text was either answered right away or returned the same day. I always felt informed and supp...
Posted by anonymous | October 19, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Always choose JCS Law Firm Mr. John Schleiffarth = "Honor and Trust"
Mr. John Schleiffarth October 12, 2025 120 South Central Ave., Suite 1550 Clayton, Missouri 63105 314-561-9690 Dear Mr. Schleiffarth I appreciate this opportunity to express my sincere gratitude for your exceptional legal work achieved on my recent Case in Franklin County Missouri. ...
Posted by Kim | August 22, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Attorney John Schleiffarth. Your Best Defense!
I have a disabled adult family member who had some troubles & John Schleiffarth is the very, very, best defense attorney I could’ve chosen! He works hard on your case, & always accomplishes the best outcome(s) for his client. Mr. Schleiffarth is Very knowledgeable, thorough…& you don’t have to know ...
Posted by anonymous | August 14, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Great attorney! Great results!
John Schleiffarth helped me with a simple legal situation and didn’t over complicate things. His calm nature and open communication made it easy. John's entire staff is professional, kind, and helpful and is everything you would want in an attorney, I was lucky to have him on my side. Thanks John!
Posted by Kim | August 14, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Trusted professionals
Very professional and personable at the same time. Answered all of our questions and guided us through the process with reassurance.
John Schleiffarth's Lawyer Endorsements
"I enthusiastically endorse John Schleiffarth. He listens to identify client needs and goals. John works very hard to resolve client problems and find the resolution best suited for the client under the circumstances. John is talented, energetic, and dedicated in pursuit of his clients interests."
"John is very knowledgeable about the law and is fantastic about thinking about all the angles on providing the best defense for his clients. John is also very passionate about helping their clients achieve their best results. I endorse this lawyer."
"I endorse this lawyer."
"I worked with John in the past and can say that he is a superb attorney who zealously represents his clients with the highest degree of passion and commitment."
"John is a skilled and driven attorney that will spend countless hours on your case to ensure both himself and the client are satisfied with the outcome! I endorse this lawyer."
"John is a very thorough attorney and fights for his clients. I endorse this lawyer."
"I have known John for 30+ years. He is an honest and extremely devoted advocate."
"Smart. Hard working. Good results. I endorse this lawyer!"
"John is a great advocate for his clients and holds the state to their burden emphatically. He was easy to work with, even when he couldn't get deposition dates."
"John is a dedicated Criminal Lawyer who care for his clients. I endorse and recommend him because I trust him."
"John is an excellent attorney who is always working to defend his clients in and out of the courtroom."
"Mr. Schleiffarth is an outstanding attorney and very friendly with his clients."
"I endorse John. He is a highly skilled attorney that is well respected in the legal community."
"I endorse this lawyer."
"John's a great attorney. He works very hard for his clients. Any criminal defendant would be lucky to have him on their side."
"I endorse this lawyer. Attorney Schleiffarth is an excellent attorney who works hard for his clients."
"I endorse this lawyer."
"Mr. Schleiffarth is an outstanding and excellent attorney. I would recommend anyone and everyone to him for his services. I have been practicing for 24 years as a judge, magistrate, law professor, private attorney, and prosecutor, and I learn from his answers on Avvo every day. Simply an exemplary attorney."
"I endorse this lawyer."
"I endorse this lawyer."
David Schleiffarth
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Experience
Honors
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2020
Rising Star, Super Lawyers
2019
Rising Star, Super Lawyers
2018
Client Champion Award, Martindale-Hubbell
2018
Rising Star, Super Lawyers
2017
Client Champion Award, Martindale-Hubbell
2017
Rising Star, Super Lawyers
2016
Rising Star, Super Lawyers
2015
Client Distinction Award, Martindale-Hubbell
2015
Rising Star, Super Lawyers
2015
"10 Best" DWI Attorneys -Missouri - Client Satisfaction, American Institute of DUI/DWI Attorneys
2015
Super Lawyers Rising Stars, Super Lawyers
2015
Top 100 Trial Lawyers, National Trial Lawyers
2014
DWI Clients' Choice Award, Avvo
2014
Top 100 Trial Lawyers, National Trial Lawyers
2014
Top 40 Under 40, National Trial Lawyers
2014
"10 Best" DWI Attorneys -Missouri - Client Satisfaction, American Institute of DUI/DWI Attorneys
2014
Client Distinction Award, Martindale-Hubbell
2014
Best Lawyers, St. Louis Magazine
2013
Pro Bono Wall of Fame, Missouri Bar
2013
Clients Choice Award-DWI/Criminal Defense, Avvo
2013
Avvo Rated Attorney, Avvo
2013
Client Distinction Award, Martindale-Hubbell
2012
Client's Choice Award-Criminal Defense, Avvo
2012
Clients Choice Award-DWI, Avvo
2012
Law Firm of the Month - December, Attorney At Law Magazine
2010
Bronze Level Pro Bono Contributor, Missouri Bar, Young Lawyers Section
Work Experience
2010 - Present
Attorney, John C. Schleiffarth, P.C.
2008 - 2008
Clerk, Fisher and Frommer, PLLC
Associations
2014 - Present
American Institute of DUI/DWI AttorneysAward Winning Member
2014 - Present
Missouri Bar, Criminal Law CommitteeMember
2014 - Present
Bar Association of Metropolitan St. Louis, Criminal Law SectionMember
2013 - Present
National College of DUI DefenseMember
2013 - Present
National Association of Criminal Defense LawyersMember
2012 - Present
Missouri Association of Criminal Defense LawyersAttorney Member
2012 - Present
Better Business BureauMember, Accredited A+ Rating
2010 - Present
Bar Association of Metropolitan St. LouisMember
2010 - Present
J. Reuben Clark Law SocietyMember
Sample of Legal Cases
DWI-Marijuana Intoxication
All charges dropped
Pre-Med Student Charged with Drug Possession
Charges amended to littering
Medical Professional Charged with Felony DWI in St. Louis County
Charges amended to misdemeanor with no jail time
DWI Accident - Graduate Student
DWI case dropped. Plead guilty to Careless Driving (Only 2 points). Also won DOR Admin Hearing...No loss of drivers license.
Domestic Assault and Drug Possession
All charges amended to littering with a fine.
4th Time DWI - Felony
Dropped to Misdemeanor with No Jail Time
Felony Assault and Robbery
Case Dismissed by Judge - All Charges Dropped
4 Felony Charges Including Theft of a Motor Vehicle
Nolle Prosequi (All Charges Dropped)
Debt Settlement
Settled all debts for less than $11,000.00
First Time DWI Charges
Won Department of Revenue Hearing- No Loss of Drivers License / Municipal Court Charges dropped to Careless and Reckless Driving only 2 points and a $90 fine
Education
2010
Barry University Dwayne O. Andreas School of Law
JD - Juris Doctor
2005
Brigham Young University
BA - Bachelor of Arts
Speaking Engagements
2012
Invited Guest
Business Law, Finance, and Bankruptcy In the Free Market
2011
Invited Guest
Bankruptcy, Risk Taking, and Business
Publications
2016
Aspatore Book publication
The Legality of Search and Seizure in DUI Cases
2016
Inside the Minds (Aspatore Books)
Witness Preparation and Examination For DUI Proceedings
2014
Aspatore Book publication
Inside the Minds: Property Crimes Defense Strategies
2014
Aspatore Book publication
Inside the Minds: The Legality of Search and Seizure in DUI Cases, 2014 ed.
2014
Aspatore Book publication
Inside the Minds: Witness Prepration and Examination for DUI Proceedings
2014
St. Louis Magazine
Looking for Answers-DWI/Open Container Law
2014
Top Lawyers
ALIVE Magazine
2013
St. Louis Magazine
Understanding the Law
2013
Thomson Reuters
Chapter 7 Consumer Bankruptcy Strategies
2013
Trends in Consumer Bankruptcy Filings (Inside the Minds)
Chapter 7 Consumer Bankruptcy Strategies, 2013 ed.: Leading Lawyers on Filing Chapter 7 Cases in Today's Consumer Bankruptcy Climate (Inside the Minds)
2012
Attorney at Law Magazine
Law Firm of the Month-December
Languages
English
Activity
Legal Answers
Legal Guides
Top Contributor
John earned significant contribution points in 2014.
Legal Answers
Q&A
Can can the state of Missouri get a verdict of guilty when they have not even one piece of evidence except the police report?
15 Apr 2020
Q&A
Was over 42 mph over the speed limit in MO. I'm from IL. How can I take care of this?
30 Aug 2016
Q&A
What does attorney conflict and defendant unavailable means on casent? Those are listed a continuance reasons.
04 Mar 2016