Our Firm

A New Jersey Criminal Defense Law Firm Fighting for You

The Law Offices of Leonard D. Biddison is dedicated to fighting for the rights of clients charged with criminal offenses, driving under the influence (DUI), and those facing domestic violence restraining orders. Led by our founder, renowned criminal defense attorney Leonard D. Biddison, we provide aggressive, strategic defense representation with the commitment to doing more for our clients. Our firm has been built on thousands of successes in courts in Burlington County, Southern New Jersey, and Pennsylvania. Mr. Biddison has been practicing criminal defense for over 20 years, gaining the legal knowledge, deft negotiation skills, and highly effective trial strategies that make him the powerful force in the courtroom he is today. Over the course of his distinguished career, Mr. Biddison has helped countless clients stay out of jail, keep their families together, maintain a clean criminal record, defend their reputation, and avoid the harsh penalties that come with a conviction.

For his knowledge and experience in the realm of criminal and trial defense, Mr. Biddison has earned numerous awards and accodales along the way. He has been included among the Top 100 Criminal Lawyers, by the National Trial Lawyers Association and the Top 10 Criminal Law Attorneys in New Jersey, by the American Jurist Institute. In Pennsylvania, he was named among the 10 Best Attorneys, by the American Institute of Criminal Law Attorneys and the American Institute of DWI/DUI Attorneys. For his dedication to his clients, Leonard D. Biddison, Esq. has earned the Client’s Choice Award from Avvo.com and the 10 Best Client Satisfaction Award, from the American Institute of Criminal Law Attorneys. He maintains a 10.0 Superb rating on Avvo.com.

With each and every client’s case, our legal team provides personalized attention that you simply can’t find at a larger firm. When you have questions, need guidance, and need to know what happens next in the legal process, a member of our team is there to help. Our team also includes a former New Jersey State Trooper who now serves as our private investigator. He leverages over 25 years’ experience in police investigation of criminal cases to find any and all evidence that helps us build your best defense.

Whether you or someone you love is facing assault charges, accused of theft or fraud, arrested for drug charges, under investigation for a sex crime, charged with an illegal weapon, or facing allegations of domestic abuse, our legal team stands ready to protect your rights and defend your innocence. For additional information about how we can help you with your case, contact The Law Offices of Leonard D. Biddison today at 856-245-5240 or fill out our online contact form to arrange a free consultation.


"Phenominal, brilliant attorney!"

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David P.

Request a Free Consultation

If you or someone you love has been charged with a criminal or DUI offense in New Jersey or Pennsylvania, finding the answers you need to make informed decisions is critical. Complete our contact form to request your free consultation or contact 856-245-5240

We are available 24/7 Nights and Weekends to Provide Free Consultations | Hablamos Español

Office Locations


900 Haddon Avenue, Suite 234

Collingswood, NJ 08108



230 S Broad Suite #1501

Philadelphia, PA 19102


Upper Darby

8234 W Chester Pike

Upper Darby, PA 19082