Jonathan Tattersall

From the beginning, Rick’s career has focused on business law and litigation, and he brings the same intense focus and forethought to every interaction with his clients. An expert on construction law, Rick has represented contractors and other participants in the construction process in virtually all areas where construction and the law intersect, from contract negotiation and formation through the issues that arise during construction to performance and payment disputes and constructio...

Joseph G. Mattson is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Insurance Law and Medical Malpractice Law - Defendants. Joseph G. practices law in Manchester, New Hampshire Best Lawyers has recognized Joseph G. Mattson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Joseph G. Mattson is held by other lawyers.

Katherine “Kate” Hanna is an attorney with Sheehan Phinney Bass & Green PA in Manchester, New Hampshire and a member of the firm’s Healthcare Practice Group . Her practice focuses on Health Care Law, representing hospitals, specialty hospitals, long-term care facilities, home health and hospice organizations, physician practices, dental practices, and individual healthcare providers, including physicians, dentists, APRNs, PAs, and mental health counselors. Kate advises h...

Margaret E. Probish is a lawyer recognized by Best Lawyers in the practice areas of Commercial Finance Law and Real Estate Law. Margaret practices law in Manchester, New Hampshire Best Lawyers has recognized Margaret since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Margaret is held by other lawyers.

Frank has 40+ years experience in litigating commercial cases. Much of his practice is devoted to construction matters, where he regularly represents owners and developers, contractors, suppliers, sureties and lenders at every level of the construction process. Frank also handles all types of contract disputes, shareholder and partnership issues, antitrust and trade regulation matters, real estate controversies and lender liability cases. He has extensive experience in arbitrations and trials...

Kevin F. Dugan is a lawyer recognized by Best Lawyers in the practice areas of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Kevin F. practices law in Manchester, New Hampshire Best Lawyers has recognized Kevin F. Dugan since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kevin F. Dugan is held by other lawyers.

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...

Mark A. Abramson is a lawyer recognized by Best Lawyers in the practice areas of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Mark A. practices law in Manchester, New Hampshire Best Lawyers has recognized Mark A. Abramson since 1995. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in whi...

Kevin M. Sibbernsen is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Kevin M. practices law in Portsmouth, New Hampshire Best Lawyers has recognized Kevin M. Sibbernsen since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kevin M. Sibbernsen is held by other lawyers.

Margaret has over twenty-five years of experience concentrating on high-asset and complex divorce cases. Margaret’s clients include business owners, public figures, elected officials, executives of publicly traded companies, successful inventors, tech entrepreneurs, attorneys, doctors, dentists, retirees, those with generational wealth, and many others. Her cases regularly involve issues relating to the valuation and division of complex assets such as business interests, private equity,...