Providing Top-Notch Criminal Defense From An Insightful, Knowledgeable Trial Attorney.
Arrested or facing DUI/DWI charges? We bring rigorous evidentiary scrutiny, certified field sobriety challenge experience, and immediate 24/7 protection when your freedom, driver’s license, and record are on the line.
- DUI/DWI Forensic Defense: Challenging blood vials, breathalyzer calibration & stop validity.
- Driver’s License Defense: Immediate administrative hearing filings within statutory deadlines.
- Insightful Strategy: Thorough discovery inspection and aggressive court motion practice.
Our Practice Areas Strategic Criminal Defense & Meticulous Estate Planning
Criminal Defense Representation
Arraignment to Trial DefenseDWI / DUI Defense
Top-tier trial defense for first-offense, felony, and aggravated DWI charges. We scrutinize breathalyzer calibration, blood search warrants, field sobriety test protocols, and file immediate 15-day driver’s license administrative appeals.
Drug Crimes
Strategic defense across state and federal drug accusations, from misdemeanor possession to distribution and trafficking. We challenge illegal vehicle stops and invalid warrants under Fourth Amendment protections.
Sex Crimes
Discreet, relentless defense against high-stakes allegations. We intervene early during police investigations to protect your reputation, challenge forensic interviews, and fight to avoid mandatory registry consequences.
Estate Planning & Trusts
Family ProtectionProtecting Your Family Legacy & Avoiding Probate
Thoughtful, airtight Missouri estate plans shielding your loved ones from expensive court proceedings and probate delays.
Missouri Estate Planning Starter Guide
A comprehensive roadmap covering essential documents, common Missouri probate traps, and asset checklists.
View Starter GuideWills vs. Trusts Family Decision Guide
Clear comparison matrix evaluating privacy, probate costs, real estate deeds, and family protection needs.
Access Decision GuideThe O’Rourke Law Firm
Trusted Legal Defense & Dedicated Legacy Protection in Missouri
When your freedom, reputation, or family’s future is on the line, you need an attorney who commands the legal landscape with experience, discipline, and absolute integrity. At The O’Rourke Law Firm in O’Fallon, Missouri, we provide skilled representation in both high-stakes criminal defense and comprehensive estate planning.
Whether you are facing criminal charges or planning for your family’s financial security, you are guided by Attorney Paul O’Rourke’s distinct background as a veteran, former police officer, and former prosecuting attorney. This rare, multi-faceted perspective allows him to analyze legal challenges from every angle—anticipating opposing strategies in criminal defense and identifying potential risks in estate structure.
We stand by you through life’s most critical turning points:
Defending your rights against DUI/DWI, drug charges, and felony allegations with strategic insider knowledge of law enforcement.
Protecting your family and assets through tailored wills, revocable living trusts, powers of attorney, beneficiary deeds, and probate administration.


Why Choose The O’Rourke Law Firm?
Uncompromising Advocacy for Your Rights and Your Legacy
Facing legal challenges—whether navigating a serious criminal charge or securing your family’s financial future—requires an advocate who knows the law inside and out. Attorney Paul O’Rourke offers the seasoned judgment and disciplined focus of a veteran, former law enforcement officer, and former prosecutor.
This multi-faceted legal background allows Mr. O’Rourke to anticipate how the opposition thinks, identify critical oversights in criminal investigations, and build formidable defense strategies. When it comes to estate planning, that same strategic foresight ensures your assets avoid probate and your loved ones remain protected under Missouri law.
Every client deserves dignity, respect, and direct communication. We take pride in offering straightforward, realistic counsel, ensuring you always know where you stand and what to expect.
Get the Experience, Insight, and Straightforward
Guidance You Deserve
Legal decisions shape your future. From fighting DUI charges to drafting bulletproof trusts, The O’Rourke Law Firm brings veteran discipline and insider insight to your case. Contact our O’Fallon office today to discuss your options with complete confidentiality.
