Aloke S. "Al" Chakravarty

John concentrates his practice in tax-exempt organizations, estate planning, sophisticated charitable giving, private foundation tax planning and the unrelated business income tax. He has also lectured extensively in the tax area. John has helped organize and establish the qualifications for numerous private and public foundations and other charitable organizations including schools, medical research, religious, social welfare and cultural organizations.

Brian J. Colandreo is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian 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 Brian J. is held by other top lawyers in the same geographic and legal practice area.

Dan Rabinovitz co-manages the firm’s Litigation Department. He is a trial lawyer with 30 years of experience and began his career prosecuting violent crime with the Cook County State’s Attorney’s Office in Chicago, Illinois. He has handled a wide variety of civil and criminal matters, representing corporations and individuals and he has tried hundreds of cases, including numerous civil and criminal jury trials in state and federal courts. Currently, his practice focuses on w...

Jeff Francis is an experienced trial lawyer who has successfully represented clients in complex commercial and intellectual property litigation matters throughout the U.S. His practice includes litigation involving patent, trademark, copyright, and trade secret disputes; technology development and/or licensing; large loss fire investigations, commercial property and business interruption insurance; and commercial disparagement, defamation and harassment. One focus of Jeff’s practice is ...

Of his 20 years practicing law, Ben Zimmermann has spent 20 at Sugarman & Sugarman P.C. in Boston. After finishing his studies at Fordham University School of Law, he got his start in the corporate litigation group of a large New York City firm. His path quickly changed and took him to SUGARMAN, where he has emerged as a leading trial lawyer in New England, and the managing partner of a firm with a sixty year history of excellence in litigating and trying serious personal injury cases. Ra...

Dan practiced at the firm between 1987 and 2005, before leaving to become General Counsel at GSI Group, a NASDAQ traded company with a highly diversified portfolio of laser, precision positioning, specialty optics and laser-based system products. He rejoined the firm in 2011 and manages the Litigation Practice. During his career, Dan has tried numerous cases throughout the country in both state and federal courts. His practice includes commercial business disputes involving mergers and acquis...

Nathan J. Brodeur is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Litigation - Environmental and Real Estate Law. Nathan J., 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 Nathan J. is held by other top lawyers in the same geographic and legal practice area.

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

Tim’s extensive experience includes patent office litigation matters such as patent interference proceedings, Inter Partes Review and reexamination proceedings. He has shaped and executed winning strategies in patent litigations. In helping clients achieve their business goals, Tim devises strategies for maximizing the value of patent portfolios for litigation, licensing or acquisition. He develops and implements strategies for protecting his clients’ key technologies and for avoi...

Tim's practice is comprised of the preparation of wills, trusts and prenuptial agreements. He counsels executors and trustees and serves, himself, as an executor and/or trustee.