Stephen M. Marcus

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...

Stuart M. Falber is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Corporate Law. Stuart M., who practices law in Boston, Massachusetts, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart M. is held by other top lawyers in the same geographic and legal practice area.

Nikki Marie Sherwood is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Nikki Marie, 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 Nikki Marie is held by other top lawyers in the same geographic and legal practice area.

Ashley leads Sullivan's Real Estate Group and is a member of the firm's Management Committee. Ashley’s practice focuses on all aspects of real estate development, including commercial development, complex debt and equity structures, ground leases, loan workouts and restructures, acquisitions/dispositions, and leasing transactions. Ashley represents a broad spectrum of clients, from international to family office developers, institutional investors to public and private companies, and go...

Tannaz Saponaro is a highly recognized family law attorney specializing in sophisticated divorce matters with complex financial family estates, child custody, alongside ancillary probate and business disputes. She was born in Tehran, Iran before moving to Los Angeles, California with her family at a young age. She attended California State University in Northridge and of L’Universite Pour Les Etudiants Etranges in Aix En Provence, France before obtaining her J.D. from Suffolk University...

Jeffrey Fritz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jeffrey, 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 Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Oliver F. Ames, Jr. is a partner whose practice is concentrated in the areas of trusts & estates and exempt organizations. Olly's practice focuses on estate planning, estate and trust administration, charitable giving and private foundation matters. In addition to having extensive experience with probate law and gift and estate tax issues, Olly frequently handles real estate and corporate matters as they relate to clients' estate planning needs. Prior to joining Casner & Edwards, LLP,...

Stephen Edwards is a special counsel in the Real Estate Practice Group. He joined the firm in 1996. Practice Mr. Edwards has a general real estate practice, with particular focus on commercial conveyancing and retail development. He has represented clients in a broad range of local and national commercial real estate matters, including acquisitions and sales, leasing, development, financing and construction. Prior to joining the firm, Mr. Edwards was associated with the law firm Thompson Hine...

Rich is the leader of Sullivan’s Tax Group. He concentrates on state tax and local tax (SALT) litigation and transactional planning involving corporate, personal income and sales/use tax matters. He has more than two decades of experience before the Massachusetts Appellate Tax Board, the Supreme Judicial Court, various state Departments of Revenue and the Internal Revenue Service on a range of issues, including corporate nexus, domicile, apportionment, step transaction, and unitary repo...

Peter Barry devotes a substantial portion of his practice to advising tax-exempt organizations, including healthcare and education clients with regard to their activities, with particular emphasis in complex contractual matters, including mergers, affiliations, acquisitions and divestitures. Peter is recognized as a Top-Rated Lawyer in health care by Martindale-Hubbell®, has served as a member of the Advisory Committee to the Massachusetts Attorney General’s Public Charities Divisio...