B.J. Pupillo

B.J. Pupillo

Pupillo Law

75 W. Lockwood Ave.
Suite # 1
St. Charles, MO 63119

Phone: 314-396-7050

Website: pupillolaw.com

General Member

About B.J. Pupillo

Prior to going to law school, Mr. Pupillo earned from a Bachelor of Arts in Political Science from Saint Louis University. While attending Saint Louis University he was a member of the American Mock Trial Association where his team won the regional championship and participated at the national competition level. Additionally, he severed as an investigative assistant for the Missouri Attorney General’s Office. During law school, Mr. Pupillo was granted a Rule 13 Certification from the Missouri Supreme Court allowing him to litigate cases in open court prior to graduation. Utilizing the certification, he clerked as a prosecutor at the St. Louis County Prosecuting Attorney’s Office Moreover, as a defense attorney for the Missouri Public Defender’s System. Mr. Pupillo was a member of the ABA Mock Trial Team at Saint Louis University and a member of the ABA Moot Court Team at Southern Illinois University School of Law where he earned the distinction of membership in The Order of the Barristers. Mr. Pupillo is a member of the Missouri Bar Association and regularly litigates cases in both state court and federal court. He has represented businesses in contract disputes and zoning issues as well as litigated complex cases involving federal copywrite infringement actions, personal injury cases and criminal matters including serious felonies. His practice primarily focuses on criminal defense, DWI/DUI defense and personal injury matters including serious vehicle accidents. Mr. Pupillo is a member of the National College of DUI Defense and pursuing board certification as well as the Missouri Association of Criminal Defense Lawyers. Mr. Pupillo strongly believes in community involvement and regularly volunteers his time to various charitable organizations including serving on the Board of Directors for Sunnyhill, Inc, which is a non-profit 501(c)(3) organization that provides services, programs, and opportunities for children and adults with developmental disabilities. BAR ADMISSIONS Missouri United States District Court for the Eastern District of Missouri Veterans Administration AFFILATIONS Missouri Bar Association, Criminal Law Committee The Bar Association of Metropolitan St. Louis, Trial Committee Jefferson County Bar Association National College of DUI Defense Missouri Association of Criminal Defense Lawyers Phi Delta Phi, Southern Illinois University Chapter Saint Louis University, Student Alumni Association (Past President) HONORS AND AWARDS Order of the Barristers, Member Inn of Court, Southern Illinois University Chapter Phi Alpha Theta, History Honor Society American Bar Association, Mock Trial Team – National Conference American Bar Association, Moot Court Team – Regional Finalist


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This library includes scientific articles on drug and alcohol intoxication, toxicology and pharmacology, methods of testing for blood alcohol content, field sobriety testing, potential errors that may occur during testing, accident reconstruction, expert testimony, and evidentiary rules. This valuable information can ensure that you provide a high quality defense to clients charged with DUI based on the circumstances of their case and the laws in their state.

FROM OUR BLOG

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...

Ethics Task Force Blog

04/15/2025

Written by Jonathan Dichter The Heart of Client Care: Moving Beyond Case Management In the legal profession, we often talk about "case management" - the systems and processes that keep our cases moving efficiently. But what about *client care*? True client care goes beyond deadlines and filings; it's about treating clients as *people*-scared, uncertain, and in need of guidance. And when done...

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