Leonard D. Biddison

Leonard D. Biddison, Esq.

Criminal and DWI Defense Attorney

Burlington County NJ Criminal Lawyer

Collingswood, New Jersey
Philadelphia, Pennsylvania
Delaware County, Pennsylvania

New Jersey: 856-427-6888
Philadelphia: 215-235-5240
Delaware County: 610-853-9494

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 our offices in New Jersey at (856) 427-6888, Philadelphia at (215) 235-5240, or Delaware County at (610) 853-9494.

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

Office Locations


900 Haddon Avenue, Suite 234

Collingswood, NJ 08108

(856) 427-6888Directions


230 S Broad Suite #1501

Philadelphia, PA 19102

(215) 235-5240Directions

Upper Darby

8234 W Chester Pike

Upper Darby, PA 19082

(610) 853-9494Directions