Richard D. Rudman

Ms. Whelan's practice includes Patent Office practice, litigation, and counseling in the field of life sciences, including chemistry, biotechnology and pharmaceuticals. Her experience includes patent strategy across the spectrum from pre-litigation investigation and litigation, to Patent Office post-grant proceedings including inter partes review and reexamination, to analysis of the competitive landscape and IP due diligence, as well as obtaining patent protection and portfolio management.

Jeremy M. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Jeremy M., 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 Jeremy M. is held by other top lawyers in the same geographic and legal practice area.

William J. Bernat is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. William J., who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William J. is held by other top lawyers in the same geographic and legal practice area.

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

Stephen A. Mackenzie is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Stephen A., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen A. is held by other top lawyers in the same geographic and legal practice area.

Lou, Co-Chair of the firm's Lateral Partner Hiring Committee and former member of Sullivan's Management Committee, represents clients, both public and private, in commercial acquisitions, dispositions and financings across various real estate asset classes, including office, retail, senior living, hospitality and marinas, many of which are multi-state, portfolio transactions. His practice includes a particular focus on representation of real estate investment trusts (REITs). The transactions ...

John W. Powell is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. John W., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John W. is held by other top lawyers in the same geographic and legal practice area.

Steven M. Ellis is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Corporate Law. Steven M., who practices law in Boston, Massachusetts, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven M. is held by other top lawyers in the same geographic and legal practice area.

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.

Richard Zielinski, who practices in Boston and New York, is a nationally known ‘bet the company’ trial lawyer who handles a wide range of complex, high-stakes commercial litigation. He is also known for his specific expertise in legal malpractice defense. According to Chambers USA, Richard is ‘very smart, thorough and knowledgeable. ’ Clients say he is ‘fantastic on his feet’ and ‘thinks seven steps ahead of everyone else.’ He has extensive tria...