Richard Cornthwaite

I chair our firm’s Mergers & Acquisitions Team of 15 transactional attorneys and tax specialists and assist our firm clients with regard to achieving their estate planning objectives. Having more than 30 years’ experience as an M&A attorney and corporate advisor, combined with being a CPA and having a master’s degree in taxation, provides me with a unique background and perspective to advise the firm’s business clients in achieving their goals in the most timel...

Ned takes and wins tough cases. As a litigator and a trusted advisor, Ned has guided his clients through their most complicated and difficult problems. He has won at trial. He has gotten cases dismissed on the papers. He has pierced the corporate veil to collect debts. And, he has made new law at the New Hampshire Supreme Court in order to protect his clients. Ned’s areas of expertise include: Trademark, copyright, and trade secret litigation Ned has litigated “soft IP” disp...

Jon Sparkman is a shareholder of the firm counseling privately-held businesses and non-profit organizations. Jon's business law practice involves representing small- to medium-size businesses from start-up to eventual sale, providing advice with respect to formation and financing, growth and expansion as well as mergers and acquisitions. Jon's representation of non-profit organizations focuses on formation , obtaining and maintaining tax-exempt status, governance issues and mergers. Specific ...

Mark represents individuals and their claims and disputes relative to bodily injury claims, workers’ compensation claims, insurance coverage disputes, and social security disability claims. Mark’s experience in bodily injury claims includes motor vehicle accidents, general tort claims, product’s liability claims and medical malpractice claims.

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...

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...

Michael Mortimer is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Michael, who practices law in Manchester, New Hampshire, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael 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.

Jennifer R. Rivett is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Jennifer R., who practices law in Manchester, New Hampshire, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer R. is held by other top lawyers in the same geographic and legal practice area.

Suzanne Brunelle is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Suzanne, who practices law in Manchester, New Hampshire, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Suzanne is held by other top lawyers in the same geographic and legal practice area.