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Leonard D. Harden
https://dwilawyernh.net/
Harden Law Offices
104 Main Street
Lancaster, NH 03584
Phone: 603-788-2080
Website: dwilawyernh.net/

About Leonard D. Harden
Attorney Leonard Harden is an experienced trial lawyer practicing in Northern New Hampshire, primarily serving Coos County and Grafton County. Leonard Harden has successfully argued more jury trials than any other defense lawyer in Coos County. He has been representing people in criminal cases for over 20 years. Attorney Leonard D. Harden has received and continues to receive the most advanced criminal defense and DWI specific training available in the nation. Attorney Harden is recognized by his peers as possessing exceptional knowledge. He has been re-elected to serve on the Board of Directors for the New Hampshire Association of Criminal Defense Lawyers (NHACDL) since 2008. He has served on an editorial board for James Publishing, Inc. and has written a chapter on breath testing in a book published by Massachusetts Continuing Legal Education, Inc. (MCLE) focusing on NH DWI defense. He has been the chairperson of the biannual Advanced DWI seminar which is sponsored by the NHACDL since 2010 . Attorney Harden is a frequent presenter at NH defense lawyer seminars teaching other lawyers how to best defend cases (http://www.nhacdl.org/past-cles.html). Attorney Harden was recently a faculty member at the Ohio Association of Criminal Defense Lawyer’s Advanced DUI seminar focusing on trial skills and has spoken at a national DUI seminar in South Carolina. Attorney Harden is certified according to the National Highway Traffic Safety Administration (NHTSA) to administer and instruct the standardized field sobriety tests (horizontal gaze nystagmus, walk and turn, and one leg stand.) He is also certified to operate, maintain and repair the Intoxilyzer 5000. He is better trained than the police officer who arrested you. He has the experience to focus on the proper methods to attack the State’s case against you and win. Attorney Leonard Harden is an aggressive, experienced and trusted lawyer defending DWI / DUI and criminal defense charges in New Hampshire. Harden Law Offices has locations throughout New Hampshire in Lancaster, Littleton and Lebanon. CALL OR TEXT 603-788-2080.
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Virtual Forensic Library

NCDD members have access to a comprehensive forensic library that provides invaluable information to be used when defending clients charged with DUI.
This library includes scientific articles on drug and alcohol intoxication, toxicology and pharmacology, methods of testing for blood alcohol content, field sobriety testing, potential errors that may occur during testing, accident reconstruction, expert testimony, and evidentiary rules. This valuable information can ensure that you provide a high quality defense to clients charged with DUI based on the circumstances of their case and the laws in their state.
FROM OUR BLOG
Ethics Task Force Blog
04/15/2025
Written by Jonathan Dichter The Heart of Client Care: Moving Beyond Case Management In the legal profession, we often talk about "case management" - the systems and processes that keep our cases moving efficiently. But what about *client care*? True client care goes beyond deadlines and filings; it's about treating clients as *people*-scared, uncertain, and in need of guidance. And when done...
Personal Contact: Using the Officer's Observations Against Them
03/10/2025
Written by Charles GoodwinEdited by Michelle Behan and Steven Hernandez The typical DUI investigation has three phases. It begins with the vehicle in motion and focuses on driving patterns that officers are trained might indicate impairment. Next is personal contact, where the officer will observe physical manifestations that are also purportedly correlated with alcohol ingestion and impairment. Finally, the officer will...