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Mercer County

Criminal Defense Lawyers
  • Over 100 Years of Combined Experience
  • Practice Exclusively in DUI & Criminal Defense
  • Former County & Municipal Prosecutors
  • Decades of Case Success Stories

Mercer County Criminal Law Attorneys

The Law Offices of Jonathan F. Marshall · Princeton, New Jersey

At The Law Offices of Jonathan F. Marshall, we are committed to standing up for the rights of clients who have been accused of criminal offenses in municipal, county and federal court. From our offices in Princeton, we serve clients throughout Mercer County and surrounding areas

Our firm defends clients against all types of state and federal criminal charges, from driving while intoxicated (DWI) charges and traffic tickets to violent crime charges such as assault and domestic violence. We also help clients pursue expungements of their criminal records.

A Powerful Team of New Jersey Criminal Defense Lawyers

Our seven-member criminal defense team includes multiple former municipal, county and federal prosecutors, as well as five of only 50 attorneys in New Jersey who have been certified to administer the Dräger Alcotest 7110, the breath test used in DWI investigations statewide.

When you hire The Law Offices of Jonathan F. Marshall, rather than hiring a single attorney, you are hiring a powerful group of misdemeanor and felony defense lawyers whose combined experience enables our firm to meet the highest standards of criminal law representation.

Protect Your Rights · Call (609) 683-8102 for a Free Consultation

Our firm offers free, confidential consultations, so if you have been arrested, charged or placed under investigation, you can contact us with no risk or obligation on your part. If you choose to hire us to represent you, we accept credit cards and offer payment plans for our legal fees.

Our criminal defense lawyers are available 24 hours a day, seven days a week, and we have a Spanish-speaking attorney on staff. To discuss how we can help you fight your criminal charges, call us today at (609) 683-8102, or send us an e-mail to schedule a meeting. For more legal questions please visit

103 Carnegie Center, Suite 300 Princeton NJ 08540
By appointment only

3150 Brunswick Pike, Suite 300, Lawrenceville, NJ 08648

100 Horizon Center Blvd., Hamilton, NJ 08691
By appointment only

We serve clients throughout Mercer County, New Jersey — including Trenton, Hamilton, Princeton Borough, West Windsor, East Windsor, Lawrence Township, Robbinsville, Hightstown, Princeton Township, Ewing and Hopewell — and surrounding areas, including Hunterdon County and Burlington County.

If you have been charged with a crime in Mercer County, New Jersey, it is in your interests to talk to an experienced criminal defense lawyer as soon as possible. For a free consultation, you can call our firm 24 hours a day, seven days a week.

The information you obtain at this site is not, nor is it intended to be, legal advice. This web site is designed for general information only. You should consult an attorney for advice regarding your specific situation. Please do not send any confidential information to us until such time as an attorney-client relationship has been established.
No aspect of this advertisement has been approved by the Supreme Court of New Jersey.