Sean P. O'Neill

Mark Ford is a nationally recognized antitrust litigator who represents both antitrust plaintiffs and defendants in state and federal courts and in agency investigations in matters concerning alleged monopolization, restraints of trade, price fixing, bid rigging, price discrimination, and other forms of anticompetitive and exclusionary conduct. Mr. Ford has been recognized as a “Next Generation Partner” by The Legal 500 United States for his antitrust civil litigation practice; ra...

Michele Keratsis is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Michele, who practices law in Newton, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michele is held by other top lawyers in the same geographic and legal practice area.

Michael D. Beauvais is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Michael D., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.

Colleen Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Colleen, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Colleen is held by other top lawyers in the same geographic and legal practice area.

Jennifer M. Clark is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jennifer M., who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer M. is held by other top lawyers in the same geographic and legal practice area.

Kathleen M Williams Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Kathleen M, who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathleen M is held by other top lawyers in the same geographic and legal practice area.

Crescent Moran Chasteen is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Crescent Moran, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Crescent Moran is held by other top lawyers in the same geographic and legal practice area.

Jordan Hirsch focuses on intellectual property and commercial litigation. He has represented clients—such as Intel, Bank of America, Vanguard, Infineon and Eastman Kodak Company—in jurisdictions across the country. He has successfully tried multiple patent infringement and commercial litigation cases in federal district courts and before the International Trade Commission (ITC). He has also argued appeals to the First Circuit Court of Appeals.

Paul M. Kinsella is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice, Corporate Law and Securities / Capital Markets Law. Paul M., who practices law in Boston, Massachusetts, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul M. is held by other top lawyers in the same geographic and legal practice area.

While spending many of his formative years focusing on product liability cases, David McCormack fostered his technical and analytical approach to developing cases from the moment of the first client contact up through the time of trial. That approach has served his clients well for almost two decades. David brings his dedication to helping his clients to every case, no matter the size or subject matter. Recognized for his commitment and intensity, David has consistently been selected by his p...