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Trusted Criminal Defense Lawyers in Trenton, NJ
The Law Offices of Jonathan F. Marshall is a premier criminal defense firm with over 200 years of combined legal experience. Our team includes former county and municipal prosecutors who leverage insider knowledge to defend clients in Mercer County and beyond. With offices in Trenton, Hamilton, and Lawrence Township, we handle cases ranging from DWI and drug charges to complex felony prosecutions. Our attorneys are certified in administering New Jersey's Drger Alcotest 7110 and standardized field sobriety tests, ensuring technical expertise in DUI defense.We prioritize client rights through aggressive litigation strategies and constitutional challenges while maintaining accessibility through 24/7 availability and free initial consultations. Our track record includes thousands of successfully resolved cases across municipal courts, Superior Court, and federal jurisdictions.
Services
Criminal Defense
DUI Defense
Drug Charges
Domestic Violence
Assault Cases
Expungement
Juvenile Defense
Weapons Offenses
Traffic Violations
Sex Crimes
Highlights and features
- We offer over 200 years of combined legal experience in criminal defense
- Our team includes former county and municipal prosecutors
- We maintain offices in Trenton, Hamilton, and Lawrence Township
- Our attorneys are certified in administering New Jersey's Drger Alcotest 7110
- We provide 24/7 availability for urgent legal matters
Services
Criminal Defense
Our experienced attorneys defend clients against all levels of criminal charges in New Jersey. We provide aggressive courtroom advocacy and strategic legal solutions for misdemeanor and felony cases. Our former prosecutor team leverages insider knowledge to challenge evidence and protect constitutional rights throughout the legal process.
DUI Defense
Specialized defense for alcohol and drug-related driving charges. Our team includes five attorneys certified in administering New Jersey's official breath testing equipment. We challenge chemical test accuracy and police procedures to minimize license suspensions and other penalties associated with impaired driving charges.
Drug Charges
Comprehensive defense against drug possession, distribution, and cultivation charges. We challenge unlawful searches and constitutional violations while negotiating for reduced penalties or alternative sentencing programs. Our experience includes defending cases involving marijuana, prescription medications, and controlled dangerous substances.
Domestic Violence
Legal representation for domestic violence accusations and restraining order proceedings. We protect clients' rights during both criminal prosecution and family court hearings. Our defense strategies address false allegations while minimizing impacts on employment, housing, and child custody arrangements.
Expungement
We help clients remove criminal records through New Jersey's expungement process. Our attorneys handle all offense types including arrests without convictions, juvenile records, and completed probationary sentences. We guide clients through eligibility requirements and court procedures to restore employment and educational opportunities.
People
Jonathan F. Marshall
Founding Attorney
Former Mercer County prosecutor with over 30 years of criminal defense experience. Certified in administering New Jersey's official breath testing equipment. Recognized as one of the state's top DUI defense specialists.
Colin Bonus
Senior Attorney
Former municipal prosecutor handling complex felony and misdemeanor cases. Specializes in constitutional challenges and courtroom litigation strategies across Mercer County jurisdictions.
Jason Seidman
Lead Trial Attorney
Experienced trial lawyer with focus on drug charges and DWI defense. Certified in standardized field sobriety testing and chemical evidence analysis for impaired driving cases.
Thomas Huth
Criminal Defense Specialist
Former county prosecutor specializing in domestic violence and assault cases. Expert in challenging eyewitness identification and forensic evidence in criminal proceedings.
James Fagen
Juvenile Defense Attorney
Focuses on juvenile justice system representation. Advocates for rehabilitation programs while protecting young offenders' educational and employment futures through strategic plea negotiations.
Questions
What areas do you serve?
We primarily serve Mercer County with offices in Trenton, Hamilton, and Lawrence Township, also handling cases in Hunterdon and Burlington Counties.
Do you handle juvenile cases?
Yes, our attorneys specialize in juvenile defense while focusing on rehabilitation and minimizing long-term consequences for young offenders.
Are your consultations really free?
Yes, we offer completely free and confidential initial consultations with no obligation for all criminal defense matters.
Can you help with DWI charges?
Our firm has five attorneys certified in administering New Jersey's official breath testing equipment and standardized field sobriety tests for DUI defense.
What payment options exist?
We accept credit card payments and offer flexible payment plans to accommodate our clients' financial situations.
Do you work weekends?
Our criminal defense team is available 24 hours a day, seven days a week for urgent legal matters.
