About Us The Law Offices of Lydon & Richards represents clients in both New Hampshire and the Commonwealth of Massachusetts. With an offices in Nashua, NH and Portsmouth, NH we are able to effectively represent clients in these communities and all of those in between. The firm has extensive experience in family law, criminal defense, personal injury, estate planning, probate law, civil law and business law as well as other areas. We will work effectively and efficiently to satisfy all of your legal needs.