Mark Potash

Mark A. Berthiaume is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mark 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 Mark A. is held by other top lawyers in the same geographic and legal practice area.

Marianne LeBlanc is a trial attorney with a proven record of success in the courtroom and over two decades of experience in representing injured clients. With record-setting verdicts in Massachusetts, Marianne’s advocacy skills draw on her commitment to making a difference both for her clients and the community at large. Marianne concentrates in all aspects of serious personal injury litigation, including liquor liability, premises liability, medical malpractice, and nursing home litiga...

Catherine represents corporate trustees, collateral administrators, paying agents, depositaries, collateral agents, administrative agents and other service providers in all facets of structured finance transactions and other debt financing. My focus Currently, I am working on various matters involving CLO transactions that span the entire lifecycle of a transaction, including warehouse facilities, new origination, general maintenance issues, interpretation of indentures, redemptions and satis...

Allen David's civil litigation trial practice focuses on the defense of professional liability claims. He primarily represents lawyers and law firms against complex claims of malpractice. In addition to his trial experience, Mr. David has significant appellate experience in both state and federal courts. His articles and book chapters in the areas of legal malpractice, insurance law and financial institution law have appeared in numerous publications. Mr. David is the author of the profession...

John P. O’Neill serves as co-chair of the firm's Real Estate Finance Team. He practices primarily in the real estate and real estate finance area. Mr. O’Neill is experienced in representing institutional and international investors, in a variety of investment structures, in the acquisition, financing and disposition of single-and multi-asset pools throughout the country. Mr. O'Neill regularly works with clients in structuring and negotiating joint venture agreements. In addition, ...

Andrea Studley Knowles is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment and Product Liability Litigation - Defendants. Andrea Studley, 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 Andrea Studley is held by other top lawyers in the same geographic and legal practice area.

Doug Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Litigation - Health Care. Doug, 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 Doug is held by other top lawyers in the same geographic and legal practice area.

Zachary counsels clients in pursuing commercially relevant intellectual property protection strategies. He has extensive experience securing patents in areas including life sciences, biotechnology, bioinformatics, pharmaceuticals, semiconductor devices, and optical systems. He assists clients in pursuing effective prosecution strategies. His experience includes drafting and filing patent applications, drafting claims, responding to Office Actions, prosecuting broadening reissue applications, ...

Andrea Peraner-Sweet is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Defendants. Andrea, 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 Andrea is held by other top lawyers in the same geographic and legal practice area.

John DeTore serves as Administrative Chairman of Rubin and Rudman’s Executive Committee and leader of the Energy Practice Group. John’s practice focuses on representing large energy companies before regulatory agencies and courts throughout New England and in New York. His representations include more than twenty major energy projects involving billions of dollars in Massachusetts, Connecticut and New York, including eleven cases before the Massachusetts Supreme Judicial Court. Jo...