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John P. Robertson’s practice is organized around procedural rigor and strategic litigation protocols. Since beginning as an Assistant Prosecutor in 1986 and entering private practice in 1989, he has focused on defending individuals and entities in criminal and quasi‑criminal matters and on representing plaintiffs in negligence cases. His standard operating processes prioritize forensic review, statutory and precedent analysis, pretrial optimization, and jury advocacy for cases involving serious felonies, domestic violence, motor vehicle offenses, and juvenile matters. John contributes to professional knowledge through presentations on DWI and Alcotest technology, publications on expungement and motor‑vehicle collateral consequences, and service in leadership roles with the Morris County Bar Association and related committees. His peer-recognized credentials include Super Lawyers selection in 2009 for criminal and DWI/DUI defense.
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State: New Jersey
Acquired: 1987
No misconduct found
State: Pennsylvania
Acquired: 1986
No misconduct found
33 Market Street, Morristown, NJ, 07960-9436
hanlondunn.com/attorney/robertson-john-p-ii/8 Client Reviews
Showing 1 - 5 of 8 reviews
Posted by Rudy | February 02, 2026 | Hired Attorney | Criminal Defense
Experiences, Motivated & A perfect bedside manner
John has represented several of my clients and family members in complex cases that required decisive action, problem solving with prosecutors and courts, and sometimes a the sort of hand holding that we all need in these types of situations. In each instance he was thorough, managed our expectations...
Posted by James | January 22, 2026 | Hired Attorney
Best in the Business
John is by far the best attorney I’ve ever hired. Not only was I great full for the the outcome of my cases but I was impressed on how fast he would respond to all my questions in a timely manner. I high recommend John Robertson as an attorney.
Posted by anonymous | January 22, 2026 | Hired Attorney | Criminal Defense
Experience with John as My Defense Attorney
I cannot thank John enough for his assistance through my legal process. It is not a comfortable process for any person, yet John was friendly, welcoming, and incredibly reassuring. Serving as my defense attorney, the judge mentioned that "as usual, [he] had spoken to John much more than [he] would've...
Posted by anonymous | January 22, 2026 | Hired Attorney | Criminal Defense
Excellent attorney
I was referred to Mr. Robinson by another attorney i know who had a conflict and was unable to take on my case. At the time I was told, “John is the best”. His colleague did not lie. John Robertson helped me successfully resolve an unwarranted situation in which I was wrongly arrested and accu...
Posted by Bill | January 20, 2026 | Hired Attorney | Criminal Defense
John Robertson: Best Municipal Court Attorney...Bar None
John is thoughtful, smart, creative, and has incredible relationships with municipal court judges and prosecutors throughout the state. He is one of a small handful of real experts in this arena. If there is "a deal to be had," John will get it. He also has a great sense of humor, which makes deal...
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Criminal defense lawyer
2025
Super Lawyer, SuperLawyers
1987 - Present
Partner, Hanlon, Dunn, & Robertson
Officer
Member
1998 - 2002
Morris County Bar AssociationTrustee
1995 - 1999
Morris County Bar AssociationDistrict X Ethics Committee Member
1986
JD - Juris Doctor
1983
BA - Bachelor of Arts