John Graham Heaton

Eric T. Kilchenstein is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Transactions / UCC Law. Eric T., who practices law in Portsmouth, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric T. is held by other top lawyers in the same geographic and legal practice area.

Jamie N. Hage has over thirty years of business and civil litigation experience. He has litigated cases in both federal and state courts, with a focus on complex business and commercial disputes, intellectual property matters, and personal injury and professional negligence. Mr. Hage also serves as general outside counsel for many of his corporate clients. He represents small, mid-size, and publicly traded companies as well as individual and other private clients in a broad range of areas inc...

Nathan Warecki is an associate in Nixon Peabody’s Complex Commercial Disputes group, and teams with attorneys and other legal professionals on a wide variety of matters, including commercial litigation, class actions, non-competes and trade secrets, business disputes, and immigration. Prior to joining the firm, he worked for a regional law firm in Manchester, New Hampshire, on general litigation and immigration matters. In law school, he interned with the Honorable Joseph N. Laplante of...

Attorney Quinn was born in Hanover, New Hampshire. He earned a Bachelor of Arts from St. Lawrence University in Canton, New York. Following graduation, he was employed as a Legislative Assistant in the United States House of Representatives with Congresswoman Nancy Pelosi. He later attended Vermont Law School where he graduated with a Juris Doctor in 1993. Attorney Quinn began practicing law at a firm in North Conway, New Hampshire until 1993 when he joined Brennan Lenehan. In 2004, he became...

Ken is currently a member of the firm's Managment Committee and the Chair of the firm's Corporate Department. He has a diverse practice specializing in real estate development, concentrating in affordable housing development. Over the past twenty years Ken has become recognized as one of the leading attorneys in the area of affordable housing development in the State of New Hampshire. He represents a number of both for-profit and not-for-profit developers. Ken has represented developers in se...

Matt is a Shareholder in the Corporate Department at Sheehan Phinney Bass & Green PA in Manchester, New Hampshire. He advises businesses and entrepreneurs on a wide range of legal and strategic matters affecting privately held companies. Matt works with clients across multiple industries and stages of growth, from early-stage start-ups to established companies planning for expansion, investment, or transition. His practice focuses on Closely Held Companies and Family Businesses Law, Corpo...

Holly B. Haines is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Holly B., who practices law in Manchester, New Hampshire, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Holly B. is held by other top lawyers in the same geographic and legal practice area.

Rebecca S. Kane is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. Rebecca S., who practices law in Manchester, New Hampshire, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rebecca S. is held by other top lawyers in the same geographic and legal practice area.

Joseph G. Mattson is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Medical Malpractice Law - Defendants. Joseph G., who practices law in Manchester, New Hampshire, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph G. is held by other top lawyers in the same geographic and legal practice area.

Roy has a diverse legal practice, focusing mostly on real estate litigation and land use matters. Roy’s clients span a number of industries and include real estate brokers, automobile dealerships, contractors, health clubs, and restaurants. No matter the industry Roy is working in, his mission remains the same: to empower clients with the information they need to make strategic and well-informed decisions. In his litigation practice, Roy is an assertive and thoughtful partner to his cli...