Leonard D. Harden


Area Served

Leonard D. Harden represents clients throughout northern New Hampshire in: Grafton County: Alexandria, Ashland, Bath, Benton, Bethlehem, Bridgewater, Bristol, Campton, Canaan, Dorchester, Easton, Ellsworth, Etna, Enfield, Franconia, Glen cliff, Grafton, Groton, Hanover, Haverhill, Hebron, Holderness, Handoff, Lebanon, Lincoln, Lisbon, Littleton, Lyman, Lyme, Lyme Center, Monroe, North Haverhill, North Woodstock, Orange, Oxford, Pike, Piermont, Plymouth, Romney, Sugar Hill, Thornton, Warren, Waterville, Wentworth, West Lebanon, Woodstock, Woodsville, Coos: Berlin, Bretton Woods, Carroll, Clarksville, Colebrook, Columbia, Dalton, Dummer, Errol, Gorham, Groveton, Jefferson, Lancaster, Milan, Northumberland, Pittsburg, Randolph, Shelburne, Stark, Stewartstown, Stratford, Twin Mountain, West Stewartstown, Whitefield, Carroll County: Bartlett, Center Conway, Conway, Eaton, Eaton Center, Freedom, Glen, Hart's Location, Jackson, North Conway, Madison, Ossipee, Sandwich, South Tamworth, Tamworth, Interval including the following courts: Grafton Superior Courts: Carroll Superior Court, Coos Superior Court, Circuit Courts: 1st Circuit - District Division - Berlin, Lancaster, 1st Circuit - District Division - Colebrook, 2nd Circuit - District Division - Lebanon, Littleton, 3rd Circuit - District Division - Conway Ossipee, Haverhill, 2nd Circuit - District Division - Plymouth. DUI for OHRV, four wheeler, ATV.


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 25 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 has been a faculty member at the Ohio Association of Criminal Defense Lawyer’s Advanced DUI seminar focusing on trial skills. He has been a speaker at national DWI seminars in South Carolina and Pennsylvania teaching, educating and sharing with lawyers from around the country how to better defend cases


Queen's University, Kingston, Ontario, Canada Franklin Pierce Law Center, Now University of NH

Litigation Experience

Criminal Defense Trial Lawyer in NH focusing on Grafton and Coos Counties and DWI defense.

Notable Cases

Client Testimonials: http://dwilawyernh.net/client-testimonials/

Instructional Experience

Chairperson Bi-Annual NH Advanced DWI CLE since 2010, Frequent NHACDL speaker. DUID Presenter at Philadephia 2018 and Charleston 2017 seminars. Ohio Criminal Defense Lawyer 2016, 2017, 2018 instructor and presenter.