John B. Brennan

John B. Brennan

5.0
Rating: 9.7

Licensed for 36 years

Criminal defense Lawyer at Marlton, NJ
Practice Areas: Criminal Defense, Sex Crime, Violent Crime

10000 Lincoln Dr, East, Suite 201, Marlton, NJ

About John

Biography

Practice Areas

3

Practice Areas

Criminal Defense 40%

Criminal matters in the Superior Court of New Jersey, United States District Court for the District of New Jersey, New Jersey Municipal Courts

37 years

40%
Sex Crime 30%

All matters concerning sexual offenses. Sexual assault, Endangering the welfare of a child, child pornography, Megan's Law.

37 years

30%
Violent Crime 30%

Gun Crimes Murder, Robbery, Aggravated assault. Weapons offenses, 2nd Amendment Gun issues

37 years

30%

Fees and Rates

Cost

Free Consultation

$0 first 60 minutes


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in New Jersey for 36 years

State: New Jersey

Acquired: 1989

Active

No misconduct found

Licensed in Pennsylvania for 36 years

State: Pennsylvania

Acquired: 1989

Retired

No misconduct found

Location

The Law Office of John B. Brennan

10000 Lincoln Dr, East, Suite 201, Marlton, NJ, 08053

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John B. Brennan's Reviews

Avvo Review Score

5.0 /5.0

52 Client Reviews

5 star (52)
4 star (0)
3 star (0)
2 star (0)
1 star (0)

Posted by Yaron Daniel | December 14, 2022 | Hired Attorney

This review is from a person who hired this attorney.

Amazing lawyer!

I got a letter in the mail that I was indited from a case a long time ago that I had no idea about! I was so scared that I was going to jail because of this! I did my research and came across Mr. Brennan. From the first phone call they were helpful and ready to meet with me to talk about what’s going... on. He eased my stress very quickly and I knew I was in good hands! He helped me with this case so much and I am so happy I found him! If you have any criminal cases defiantly contact me. Brennan he is awesome!

Posted by anonymous | October 28, 2022 | Hired Attorney

This review is from a person who hired this attorney.

Excellent Work

Mr. Brennan is a professional, kind, and empathetic attorney who will work for your best interests. Regardless of what you are facing, I highly recommend Mr. Brennan to represent you in your case.

Posted by Osmani | August 12, 2022 | Hired Attorney

This review is from a person who hired this attorney.

Excellence!!

Great attorney!! Very human very professional and good at what he does…..so glad I hired him! I would again without hesitation…4 thumbs up!

Posted by anonymous | August 8, 2022 | Hired Attorney

This review is from a person who hired this attorney.

Amazing Experience

John Brennan was amazing. Asked multiple questions to ensure he knew the entire situation. Talked me through possible outcomes and what was likely to happen and answered any questions I had without hesitation. He is amazing at what he does.

Posted by michael oneill | April 6, 2022 | Hired Attorney

This review is from a person who hired this attorney.

The best

Got my case dismissed and expunged . Great job , highly recommended . I would call John if you need legal help.

See All Client Reviews

John B. Brennan's Lawyer Endorsements

Endorse John
Daniel M. Rosenberg headshot
Daniel Rosenberg

Criminal defense lawyer | Dec 20

Relationship: Worked together on matter

"I had the privilege of working with and learning from John Brennan at the Burlington County Prosecutor's Office. I have also handled various criminal defense matters with Mr. Brennan since he went into private practice. Simply stated, Mr. Brennan is a phenomenal criminal trial attorney. He is knowledgeable, talented and typically has more trial experience than the prosecutor's he goes up against. For those reasons, I hold Mr. Brennan in the highest regard and am happy to endorse him in the area of criminal defense."

Jason C. Pollack headshot
Jason Pollack

Criminal defense lawyer | Dec 18

Relationship: Fellow lawyer in community

"John is an excellent attorney who not only cares about his clients but has the tools knowledge and experience to help them. I have referred many cases to John over the years, because I know that he will give them his very best."

Charles H Nugent Jr headshot
Charles Nugent

Criminal defense lawyer | Dec 16

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Francis J Masciocchi headshot
Francis Masciocchi

Criminal defense lawyer | Dec 16

Relationship: Opposing Counsel on matter

"I endorse this lawyer. John is one of the best. He is well respected. I highly recommend him."

Katherine Dodge Hartman headshot
Katherine Hartman

Criminal defense lawyer | Dec 16

Relationship: Opposing Counsel on matter

"John and I were adversaries on many cases when he was at the prosecutor's office. He was a consummate professional who always treated me and my clients with respect."

Timothy S. Farrow headshot
Timothy Farrow

Criminal defense lawyer | Dec 16

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Robert M. Perry headshot
Robert Perry

Criminal defense lawyer | Aug 26

Relationship: Worked for lawyer

"I had the pleasure of working for, and learning from, Mr. Brennan in the Burlington County Prosecutor's Office. He is one of the finest trial attorneys I have ever seen in my career and is thoroughly knowledgeable of all aspects of criminal law. He fights for his clients and obtains the best possible result. I endorse him without reservation."

Robert R Simons headshot
Robert Simons

Criminal defense lawyer | Jun 27

Relationship: Opposing Counsel on matter

"I endorse this lawyer."

Paul Ferrell Jr headshot
Paul Ferrell

Criminal defense lawyer | Apr 30

Relationship: Fellow lawyer in community

"Mr. Brennan has a wealth of experience(over 25 years) in the area of criminal law. This has garnered him wide recognition in the court system-particularly here in Burlington County."

View All Endorsements
Stephen John Bodnar headshot
Stephen Bodnar

Criminal defense lawyer

Francis J Masciocchi headshot
Francis Masciocchi

Criminal defense lawyer

Robert M. Perry headshot
Robert Perry

Unknown lawyer

Robert R Simons headshot
Robert Simons

Criminal defense lawyer

Paul Ferrell Jr headshot
Paul Ferrell

Criminal defense lawyer

Experience

Rating:  9.7 (Superb)

Honors

2018

Peer Review Rated, Martindale-Hubbell

2014

Certified Criminal Trial Attorney, New Jersey Supreme Court

Work Experience

2014 - Present

Owner, Law Office of John B. Brennan

1989 - 2014

Assistant Prosecutor, Burlington County Prosecutor's Office

Associations

2015 - Present

Burlington County Bar Association

Member

New Jersey Association of Criminal Defense Lawyers

Education

1989

Widener University School of Law

JD - Juris Doctor

1989

College of New Jersey

BA - Bachelor of Arts

Languages

English

Activity

Avvo Rating

Our Rating is calculated using information the lawyer has included on their profile in addition to the information we collect from state bar associations and other organizations that license legal professionals. Attorneys who claim their profiles and provide Avvo with more information tend to have a higher rating than those who do not.

What determines Avvo Rating?
  • Experience & background Years licensed, work experience, education
  • Legal community recognition Peer endorsements, associations, awards
  • Legal thought leadership Publications, speaking engagements
  • Discipline Disciplinary information may not be comprehensive, or updated. We recommend that you always check a lawyer's disciplinary status with their respective state bar association before hiring them.
Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution