Anthony M. "Tony" Doniger

Matthew Knowles is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Health Care. Matthew practices law in Boston, Massachusetts Best Lawyers has recognized Matthew Knowles since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Matthew Knowles is held by other lawyers.

Lew is the director of Sullivan's Corporate Department in Boston. His practice is focused on a number of transactional areas. He regularly represents public and private companies in equity and debt financings, joint ventures, domestic and international mergers and acquisitions, and general corporate matters. Lew also represents financial institutions in secured and unsecured credit facilities. His clients consist of major financial institutions, private equity groups, family-owned businesses,...

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, ...

Barbara A. Robb and her partners pioneered the firm’s nationally-ranked executive advocacy practice which focuses on the legal needs of executives, professionals and select businesses in sophisticated employment matters. In 2017, Chambers USA once again named Ms. Robb as a Leader in the Field of Labor & Employment, Mainly Plaintiffs Representation. According to Chambers, she can handle "complex situations and short timeframes" with "the most amazing intellectual horsepower." Clients...

Dave has over 50 years of corporate and litigation experience, representing clients in the highly regulated insurance industry. He focuses on representing insurance regulators in complex issues, including material insurance company transactions, examinations and reorganizations, as well as counseling insurance companies and insurance agencies. Dave believes that what distinguishes successful lawyers is the ability to understand the client’s objectives in order to act effectively, to com...

Matthew Perreault is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Matthew practices law in Boston, Massachusetts Best Lawyers has recognized Matthew Perreault since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Matthew Perreault is held by other lawyers.

James (Jim) Nicholas focuses his practice on federal and state labor and employment issues and litigation for life sciences, tech, private equity and portfolio companies. He is sought after to handle high-stakes matters relating to employee classification, wage and hour, leaves of absence, discrimination and harassment, wrongful termination and the enforcement of noncompetition and nondisclosure agreements, especially in Massachusetts and California. Read full biography: https://www.mwe.com/p...

Kathleen M. Guilfoyle is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Kathleen M. practices law in Boston, Massachusetts Best Lawyers has recognized Kathleen M. Guilfoyle since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kathleen M. Gui...

David S. Rubin is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. David S. practices law in Boston, Massachusetts Best Lawyers has recognized David S. Rubin since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David S. Rubin is held by other lawyers.

Steven E. Gurdin is a lawyer recognized by Best Lawyers in the practice areas of Family Law and Litigation - Trusts and Estates. Steven E. practices law in Boston, Massachusetts Best Lawyers has recognized Steven E. Gurdin since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Steven E. Gurdin is held by other lawyers.