John B. Flemming

Siobhan C. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Siobhan C., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Siobhan C. is held by other top lawyers in the same geographic and legal practice area.

Mark J. Tarallo is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Mark J., 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 Mark J. is held by other top lawyers in the same geographic and legal practice area.

Lori Rittman Clark has devoted her entire legal career to representing businesses in a broad spectrum of employment-related issues and disputes. For over 25 years, businesses have been turning to Lori for practical, strategic and value-driven employment law counseling and representation. Lori is admitted to practice in Connecticut, Massachusetts and New Hampshire and has clients in all three states.

Ilenna J. Stein is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Health Care Law. Ilenna J., 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 Ilenna J. is held by other top lawyers in the same geographic and legal practice area.

Ian D. Roffman is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Litigation - Securities. Ian D., who practices law in Boston, Massachusetts, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ian D. is held by other top lawyers in the same geographic and legal practice area.

Kevin M. Meuse is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Kevin M., who practices law in Boston, Massachusetts, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. 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 ...

Kelly A. Schwartz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kelly A., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelly A. is held by other top lawyers in the same geographic and legal practice area.

Kerry Timbers has extensive experience trying complex patent litigations in a variety of industries including the life sciences, technology, and consumer oriented products. His trial background includes jury and non-jury cases, and arguments before the Court of Appeals for the Federal Circuit. His expertise includes participating in complex interference proceedings and inter partes reviews (IPRs) before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office. Kerry ha...

Malcolm B. Nicholls III is a partner in the Corporate Department. He has over fifteen years of experience in the private equity field, with a focus on national and international private equity transactions. Malcolm advises private equity fund managers, institutional investors and investment advisors on a broad range of issues, including fund formations, secondary transactions, portfolio investments, internal governance and divestments and distributions. A significant portion of Malcolm’...