Leonard D. Biddison

Leonard D. Biddison, Esq.

Criminal and DWI Defense Attorney

Criminal Attorney Leonard D. Biddison is here to help you with assault, drug possession, theft, weapons and other charges.

Leonard Biddison is a highly experienced criminal defense attorney who has been zealously advocating for clients facing criminal and DWI charges in Burlington County, Camden County, Gloucester County, and throughout Southern New Jersey for over twenty years. He is also licensed to practice and highly experienced in the realm of Pennsylvania criminal defense, as he has been fighting for clients arrested in Philadelphia and Delaware County, Pennsylvania for over two decades. Having earned a reputation for dedication to his clients and superior performance in negotiations and at trial, Mr. Biddison has been named among the Top 100 Criminal Lawyers, by the National Trial Lawyers Association. He has a passion for achieving the best possible results, often surpassing his clients’ expectations. It is with this commitment and passion that he has earned the Client’s Choice Award on Avvo.com.

For a free consultation with New Jersey Criminal Defense Lawyer Leonard D. Biddison, contact our office today at 856-245-5240 or fill out our online contact form. Mr. Biddison will discuss the circumstances of your specific case, explain your charges, answer all of your questions, and outline some potential defenses that may be available to have your charges dismissed.

Collingswood, New Jersey
Philadelphia, Pennsylvania
Delaware County, Pennsylvania

New Jersey: 856-245-5240
Philadelphia: 856-245-5240
Delaware County: 856-245-5240

Practice Areas

Bar Admissions

  • New Jersey, 1993
  • Pennsylvania, 1993
  • U.S. District Court, Eastern District of Pennsylvania, 1994

Professional Associations and Memberships

  • National Association of Criminal Defense Lawyers, Member since 1993
  • Pennsylvania Association of Criminal Defense Lawyers, Member since 1994

Awards and Accolades

  • Top 100 Trial Lawyers, Criminal Defense, National Trial Lawyers Association – 2015, 2016, 2017
  • Top 10 Criminal Law Attorneys in New Jersey, American Jurist Institute – 2016
  • 10 Best Attorneys in Pennsylvania, American Institute of Criminal Law Attorneys – 2017
  • 10 Best Attorneys in Pennsylvania, American Institute of DWI/DUI Attorneys – 2017
  • 10 Best Client Satisfaction Award, American Institute of Criminal Law Attorneys – 2015, 2016
  • Preeminent 5.0 out of 5, Martindale-Hubbell, 2010-2014


  • Widener University School of Law
    • Juris Doctor, J.D. – 1993
  • Temple University
    • Bachelor of Arts, B.A. – 1989
    • Major: Psychology


"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