Christopher Mulligan

Greg counsels clients in all aspects of land use and real estate, including finance, planning, development, and litigation. His courtroom experience is impressive: He’s spent over 30 years serving as a trial judge, both in the United States Air Force and the New Hampshire Circuit Courts. Additionally, he previously practiced both business law and litigation with New Hampshire-based law firm Wiggin & Nourie. As a result of his experience on both sides of the bench, he is a uniquely e...

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...

Pam represents individuals in divorce, domestic relation issues and Hague Convention cases. As an advocate in court and a steady counselor, Pam assists her clients in the complex areas of divorce and domestic relations law. Pam is also a New Hampshire Certified Marital Mediator so she conducts mediation in a private setting and is regularly appointed as a mediator in different family courts. She also has a background in environmental law and wrote an amicus brief for a New Hampshire Supreme C...

Greg specializes in the defense of hospitals, physicians and nurses in medical malpractice litigation. In addition to representing medical care providers throughout the state in medical negligence cases, he also consults with hospitals and QA/RM representatives on a variety of risk management and quality assurance issues and represents physicians in matters before the New Hampshire Board of Medicine. He has given numerous presentations to physician and nursing groups across the state on medic...

Pierre A. Chabot is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Medical Malpractice Law - Defendants. Pierre A., 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 Pierre A. is held by other top lawyers in the same geographic and legal practice area.

James Callahan is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Business Organizations (including LLCs and Partnerships) and Real Estate Law. James, who practices law in Peterborough, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James is held by other top lawyers in the same geographic and legal practice area.

Mark Knights is a member of the Government Investigations & White Collar Defense practice group and lead of the Global Compliance & Investigations team. He represents individuals and businesses across a variety of industries in connection with matters involving the Foreign Corrupt Practices Act, the Anti-Kickback Statute, the False Claims Act, and other federal and state laws. Prior to joining Nixon Peabody, Mark served as a law clerk for Judge Mary Beck Briscoe of the U.S. Court of A...

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. ...

Michael is the President and Managing Director of Shaheen and Gordon, P.A. He concentrates his practice on representing seriously injured victims of negligence. Michael received his undergraduate degree from the University of Massachusetts at Amherst in 1987 and in 1990 graduated from the Boston University School of Law, where he was honored as a Paul J. Liacos scholar. Michael began his litigation practice with the firm in 1990 and rapidly developed a significant trial practice representing ...

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 ...