Anthony "Tony" Fitzmaurice

With more than twenty years of experience handling complex and multijurisdictional commercial real estate and commercial lending transactions, Jim leverages his understanding to convey the facts clearly and get the deal done. Whether he is working with clients or with opposing counsel, it’s Jim’s proven ability to communicate with clear, concise language while negotiating complex transactions that allows him to deliver practical solutions for clients and see them through the end. ...

Marrielle B. Van Rossum is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Law - Defendants. Marrielle B., 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 Marrielle B. is held by other top lawyers in the same geographic and legal practice area.

Nancy E. Oliver is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Nancy E., 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 Nancy E. is held by other top lawyers in the same geographic and legal practice area.

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...

Mark Broth delivers industry-leading advice on a broad spectrum of employment, municipal, and school law matters, serves on the firm’s Board of Directors, and is the Managing Shareholder for the firm’s New Hampshire-based offices. Mark understands the impact that labor and employment laws have on people’s lives, and his substantial experience makes him the go-to attorney for “hot issues” that need effective representation and resolution. Mark counsels employers o...

Michele Kenney is the Partner-in-Charge of the firm’s Portsmouth, NH, office and a member of the Litigation Practice Group. She enjoys a diverse commercial litigation practice and appears regularly in federal and state courts in New Hampshire. Michele represents multinational corporations, medium and smaller-size businesses, individuals, and national and regional financial institutions in a wide range of disputes, involving, for example, issues of fiduciary duty, fraud, breach of contra...

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...

Donna is one of New Hampshire’s most experienced and respected trial attorneys. In her 29 years of practice she has been lead counsel in some of the most high profile cases in this state. She has tried over 150 jury trials including charges of homicide, aggravated felonious sexual assault, felony assault, domestic violence, DWI, theft, sale and possession of drugs as well as numerous motor vehicle cases. Donna has obtained verdicts of not guilty in numerous cases including affirmative d...

James O’Shaughnessy focuses his practice on the representation of public school districts, school boards, and other educational institutions, including charter schools and private schools. As leader of the firm’s New Hampshire school law group, Jim’s practice involves the full spectrum of school law matters, including board representation and governance, school district and SAU organization and budgets, cooperative and regional school district issues, school district annual ...

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 ...