The Law Office of John B. Brennan Introduce
Facing criminal charges is an incredibly stressful and frightening experience that can have a lasting impact on your life, your family, and your future. For residents of New Jersey, finding an attorney who is not only skilled in the law but also understands the intricacies of the local court system is essential. The Law Office of John B. Brennan in Marlton, NJ, offers a powerful combination of legal expertise, local knowledge, and a commitment to his clients that makes him a premier choice for criminal defense. As a former prosecutor with a background that includes a quarter-century of experience, he has a unique and valuable insight into how the state builds its cases, allowing him to anticipate their strategies and build a more effective defense for you.
The Law Office of John B. Brennan is dedicated to providing robust legal representation for a wide range of criminal matters. Whether you're facing charges for a traffic violation, a serious violent crime, or a complex federal offense, his firm is equipped to handle the case with the thoroughness and attention to detail it requires. The firm's services cover everything from DWI and drug-related offenses to serious felonies like robbery, assault, and homicide. He also has extensive experience with specific and sensitive legal areas, including juvenile crimes, weapons charges, and white-collar crimes such as tax fraud and securities fraud. His background as a prosecutor means he is intimately familiar with the strategies the state uses to secure convictions, and he knows how to effectively challenge evidence, question police procedures, and defend your constitutional rights. This deep understanding from both sides of the courtroom is a rare and powerful asset for his clients.
Beyond his professional accolades, Attorney John B. Brennan is known for his compassionate and client-centered approach. He understands that a criminal charge can be an emotional and overwhelming experience, and he makes it a priority to keep his clients informed and at ease. He is honest and straightforward about the realities of your case, but he also works hard to ease your mind and provide clear, understandable explanations of the legal process. This combination of tough, professional advocacy and genuine, personal care is a hallmark of his practice. His firm is committed to fighting for the best possible outcome for you, whether that means a dismissal of charges, a reduction in penalties, or a successful trial verdict.
Location and Accessibility
The Law Office of John B. Brennan is conveniently located at 10000 Lincoln Dr E, Suite 201 in Marlton, NJ 08053. The office's location is easy to find for residents of Burlington County and the surrounding areas. Recognizing that clients and their families may be dealing with significant stress and possibly physical limitations, the firm has made accessibility a priority. The building features a wheelchair-accessible entrance, ensuring that all clients can enter the office without difficulty. Additionally, a wheelchair-accessible parking lot is available, which simplifies the process of arrival and departure. An on-site restroom is also provided for client convenience. To ensure that every client receives the focused and personalized attention they need, the firm operates on an appointments-recommended basis. Scheduling a meeting in advance allows Mr. Brennan and his team to prepare for your consultation and dedicate their full attention to your specific legal situation.
Services Offered
- Criminal Defense: The firm provides comprehensive criminal defense representation for a vast array of criminal charges, from simple misdemeanors to complex felonies. This includes cases involving aggravated and simple assault, drug offenses, theft crimes, and white-collar crimes like fraud and tax evasion.
- DUI/DWI and Traffic Violations: He provides aggressive defense for individuals facing DUI/DWI charges and other serious traffic violations, working to mitigate penalties and protect driving privileges.
- Violent and Gun Crimes: The firm has extensive experience handling charges related to violent crimes, including armed robbery, battery, and homicide, as well as complex firearms and weapons violations, including those involving Second Amendment rights.
- Juvenile Criminal Law: He provides expert legal guidance for minors and their families who are facing juvenile charges, understanding the unique laws and procedures of the juvenile justice system.
- Federal Crimes and Trials: The firm represents clients in federal criminal cases, including those involving drug trafficking, cyber crimes, and securities fraud, and is a seasoned trial attorney ready to take a case to court when necessary.
- Legal Malpractice: In addition to his criminal defense practice, John B. Brennan also handles legal malpractice and civil trial law, demonstrating a broad range of legal expertise.
- Civil Rights Litigation: He is also a skilled attorney in civil rights litigation, including cases involving issues such as unlawful search and seizure.
Features / Highlights
- Former Prosecutor's Perspective: One of the most significant features of this law firm is Attorney Brennan’s background as a prosecutor. This experience provides him with a unique and invaluable understanding of how the state builds its cases, allowing him to anticipate and counter the prosecution's strategies effectively.
- Experienced and Dedicated: Client testimonials repeatedly praise John B. Brennan for his knowledge and dedication. One client noted that he "did an outstanding job presenting clear, compelling arguments," while another stated that he "will work hard to get you the best possible outcome."
- Honest and Compassionate Demeanor: He is described as a lawyer who is "knowledgeable, easy to understand, thorough, and... honest." He has a "demeneanor that helps to ease your mind," making a difficult situation more manageable for his clients.
- Free Consultation: The Law Office of John B. Brennan offers a free initial consultation, allowing potential clients to discuss the details of their case and get an honest assessment of their legal options without any financial commitment.
- Trial Attorney: As a certified criminal trial attorney, he is not afraid to go to court and fight for his clients. This readiness for trial is a significant advantage in negotiations and can lead to more favorable outcomes.
Contact Information
Address: 10000 Lincoln Dr E #201, Marlton, NJ 08053, USA
Phone: (856) 446-5123
What is worth choosing
When your freedom, reputation, and future are on the line, the choice of a criminal defense lawyer is one of the most important decisions you will ever make. The Law Office of John B. Brennan in Marlton, NJ, stands out as an exceptional choice for anyone in New Jersey who needs a skilled and reliable advocate. His dual experience as a former prosecutor and a current criminal defense lawyer provides a unique strategic advantage that is invaluable in the courtroom and during negotiations. He knows the system from the inside out and can use that knowledge to fight for the best possible outcome for your case. The overwhelmingly positive reviews from real clients speak volumes about his character and effectiveness. One client, who had a bad experience with a previous lawyer, called hiring John Brennan "the best decision we ever made," praising his ability to ease their mind and provide an honest assessment. Another client highlighted his success in a challenging appeal case, underscoring his dedication to protecting their rights. These testimonials reflect a lawyer who is not only a "solid professional" but also a genuinely caring individual who treats his clients with respect and provides them with the support they need. For a legal professional who combines extensive legal knowledge with a personal commitment to his clients, The Law Office of John B. Brennan is a name you can trust for your criminal defense needs in New Jersey. He will be a tireless advocate for you, working to secure a favorable result and giving you peace of mind during a turbulent time.
The Law Office of John B. Brennan Services
Attorney
- Civil rights litigation
- Traffic ticket litigation
Law Firm
- Criminal defense litigation
- Legal consulting
- Legal malpractice litigation
- Power of attorney
- Aggravated Assaults
- Assault Allegations
- Assault Charges Lawyer
- Assault Crimes
- Bodily Injury
- Child Pornography Charges
- Child Protective Services
- Child's Legal
- Civil Trial
- Crimes Charges
- Criminal Arrest
- Criminal Charge
- Criminal Defense Attorney
- Criminal Justice
- Criminal Matters
- Criminal Offenses
- Criminal Penalties
- Criminal Proceedings
- Cyber Crimes
- D U I Attorney
- Defense Lawyers
- Defense Strategies
- Detention Hearings
- Domestic Violence Allegations
- Domestic Violence Charge
- Drug Court
- Drug Court Program
- Drug Related Offense
- Drug Trafficking Charges
- Dwi Arrest
- Dwi Charges
- Educational Programs
- Federal Crimes Lawyer
- Federal Criminal
- Firearm Violations
- Firearms Charges
- Firearms Laws
- Firearms Offenses
- Free Consultation
- Free Initial Consultations
- Gun Charges
- Gun Crime
- Gun Crimes
- Gun Laws
- Juvenile Charges Attorney
- Juvenile Court
- Juvenile Crimes Lawyer
- Juvenile Criminal Law
- Juvenile Detention
- Juvenile Justice
- Legal Assistance
- Legal Defenses
- Legal Representation
- Ponzi Schemes
- Public Defender
- Robbery Charges
- Securities Fraud
- Sex Offender
- Sexual Assault
- Simple Assault
- Tax Evasion
- Tax Fraud
- Theft Crimes
- Traffic Violations
- Trial Attorney
- Trial Law
- Vehicular Homicide
- Violent Crimes Lawyer
- Violent Criminal
- Weapons Charges
- Weapons Crimes
- Weapons Offense
- White Collar Crime
- Workers’ Compensation
Legal Services
- Criminal litigation
Criminal Justice Attorney
- Restraining order litigation
- Armed Robbery
- Battery Charges
- Charges Attorney
- Child Protective
- Court Proceedings
- Crime Convictions
- Crimes Lawyer
- Criminal Court Cases
- Criminal Defendant
- Criminal Law
- Criminal Lawyer
- Criminal Records
- Criminal Trials
- Death Charge
- Drug Offense
- Dui Cases
- Dui Charges
- Dwi Lawyer
- Education Classes
- Federal Criminal Charges
- Internet Crimes
- White Collar Crimes
- Workers' Compensation Law
The Law Office of John B. Brennan Details
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Amenities
- Restroom
Planning
- Appointments recommended
The Law Office of John B. Brennan Photos








The Law Office of John B. Brennan Location
The Law Office of John B. Brennan
10000 Lincoln Dr E #201, Marlton, NJ 08053, USA
The Law Office of John B. Brennan Reviews
caseprosecutorcallsemailsstressargumentspermitrightideaspeeding ticket
★ 5★ 4★ 3★ 2★ 1I had a challenging appeal case involving a stolen firearm that was preventing me from renewing my CCW permit. John did an outstanding job presenting clear, compelling arguments that led to a successful outcome. His expertise and dedication made all the difference, especially when my Second Amendment rights were on the line. I’m truly grateful for his support and highly recommend his services.
July 30 · James BoringWe hired John Brennan as our 2nd lawyer after having a bad experience with another lawyer handling my son’s case. We were nervous trusting another lawyer but knew we had to do something. Well hiring John Brennan was the best decision we ever made! He is knowledgeable, easy to understand, thorough, keeps you up to date on your case, and has a demeanor that helps to ease your mind. He is honest and will be up front about your case and what you are facing. If you are finding yourself needing a criminal lawyer, I would highly recommend John Brennan. He will work hard to get you the best possible outcome.
August 05 · Donna NataleI had the pleasure of working with John Brennan as my Criminal Defense lawyer for a court case regarding my gun permit denial. From the beginning of the process, John put me at ease with his professional demeanor and clear communication. He was always quick to respond to my calls and emails, which I appreciated greatly.During the court hearing, John was outspoken in a respectful and intelligent way, rebutting the arguments of the opposing counsel with ease. Without his expertise and advocacy, I truly believe I would have been denied the permit.Throughout the entire process, John kept me informed of any pertinent information and was always transparent about the status of my case. I was impressed with his deep understanding and respect for the law and order of the court.Overall, I highly recommend John Brennan as a criminal lawyer. His attention to detail, professionalism, and dedication to his clients are truly exceptional. Thank you, John, for your outstanding service!
April 09 · Marcus AureliusI hired John Brennan to help me with an issue sprung on me out of nowhere by the Burlington County Prosecutors Office. It was a very private and sensitive matter where Mr. Brennan was 100% understanding of my side of the case. He helped me not only win my case but helped to change my life going forward. I cannot recommend Mr. Brennan highly enough for his skills, professionalism, and courtroom experience. Thank you again Mr. Brennan!***UPDATE*** I've now used Mr. Brennan twice and he has won both cases. I would not hesitate to use Mr. Brennan!!!!
March 15 · J LMr. Brennan is a fantastic attorney who worked diligently on my case. Mr. Brennan was always available to discuss my questions or concerns and would articulate his answers carefully and professionally. Mr. Brennan's representation as my attorney saved me stress and time off my sentence. Highly recommend.
October 25 · Matthew Natale
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