Brian H. Sullivan

Partner Patrick T. Jones has been a trial lawyer since 1978 and works on substantial personal injury and medical malpractice cases. Prior to opening the law firm of Jones Kelleher, Patrick was a founding partner of Cooley Manion Jones, where he managed the contingent fee practice for over twenty-five years. Throughout his career, Patrick has tried medical malpractice, product liability, civil rights, construction site, eminent domain, and general liability tort cases. His practice has also in...

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.

Nick’s practice focuses primarily on complex civil litigation, for which he has appeared before the Supreme Court of the United States. He represents corporations, employers, individuals, investment advisers, banks, and others around the world in contract, employment, securities, consumer protection, tort and domestic relations cases, with particular experience in the German-speaking world. He is also the editor of the Art Law Report , a blog that provides timely updates and commentary ...

Vinita Ferrera is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Intellectual Property. Vinita, 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 Vinita is held by other top lawyers in the same geographic and legal practice area.

David Rosenthal is a partner in the firm’s Labor and Employment group. He primarily represents employers in state and federal litigation, in court and before administrative agencies in the full range of employment disputes. David also counsels employers on compliance with state and federal regulations that govern their relationships with their employees. What do you focus on? Protecting employers from the misuse of their confidential information and trade secrets by former employees is ...

Elisa A. Filman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Elisa A., who practices law in Needham, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elisa 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 ...

Ed Hershfield has over twenty-five years of experience representing clients throughout the United States in all aspects of complex real estate transactions, including acquisitions, financings, restructurings, zoning and land use matters, development and permitting processes, architectural and construction contracts, workouts and dispositions. His clients include national real estate developers, pension fund advisors, hedge funds, architectural firms, publicly traded corporations, national ban...

Steve Barrett, co-chair of the Technology Transactions and Licensing Practice Group, advises a variety of life sciences and technology companies regarding the structuring, negotiation and drafting of agreements for a broad range of technology transactions, including technology acquisition, license, strategic alliance and joint venture transactions, and related research, development, supply, marketing, distribution and services agreements. Mr. Barrett regularly represents entrepreneurs, early-...

Harvey practices primarily in the areas of international and domestic corporate finance and domestic corporate governance, investment management law, securities law, including the Investment Company Act and Investment Advisers Act, and corporation, limited liability company and partnership law. Harvey counsels domestic and foreign clients, and advises clients respecting domestic and offshore investments and transactions. He also counsels on CFIUS compliance in international transactions follo...