William G. Cosmas, Jr.

Amanda L. Vanderhorst is a lawyer recognized by Best Lawyers in the practice area of Family Law. Amanda L. practices law in Boston, Massachusetts Best Lawyers has recognized Amanda L. Vanderhorst since 2025. 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 Amanda L. Vanderhorst is held by other lawyers.

Peter A. Caro is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Peter A. practices law in Boston, Massachusetts Best Lawyers has recognized Peter A. Caro since 2023. 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 Peter A. Caro is held by other lawyers.

David L. Ferrera is a lawyer recognized by Best Lawyers in the practice area of Product Liability Litigation - Defendants. David L. practices law in Boston, Massachusetts Best Lawyers has recognized David L. Ferrera since 2012. 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 L. Ferrera is held by other lawyers.

Michael Summersgill is a first-chair trial lawyer who focuses on high-stakes technology litigation including patent, trade secret and general commercial litigation. He has represented major clients—such as Intel, NVIDIA, Natera, Vertex, Akamai and Quest Diagnostics, among many others—in multiple jurisdictions across the country. He has a long track record of winning cases under the most challenging circumstances and in the toughest jurisdictions—earning recognition, among ot...

While spending many of his formative years focusing on product liability cases, David McCormack fostered his technical and analytical approach to developing cases from the moment of the first client contact up through the time of trial. That approach has served his clients well for almost two decades. David brings his dedication to helping his clients to every case, no matter the size or subject matter. Recognized for his commitment and intensity, David has consistently been selected by his p...

Beth H. Mitchell is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Beth H. practices law in Boston, Massachusetts Best Lawyers has recognized Beth H. Mitchell since 2006. 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 Beth H. Mitchell is held by other lawyers.

Joseph C. Theis Jr. is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Joseph C. practices law in Boston, Massachusetts Best Lawyers has recognized Joseph C. Theis Jr. since 2022. 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 Joseph C. Theis Jr. is held by other lawyers.

Samia M. Kirmani is a principal in the Boston, Massachusetts, office of Jackson Lewis P.C., serves on the firm’s Board of Directors, and is co-leader of both the Workplace Training and the Corporate Diversity Counseling practice groups. She is also co-leader of Jackson Lewis' Women's Interest Network (WIN) resource group. Samia’s practice is an effective combination of skill and advocacy in employment counseling, investigations, training, and DEI policy development and programming...

Voted Massachusetts Ten Leading Litigators — The National Law Journal CURRENT ROLE Partner & Executive Committee Member, Hagens Berman Sobol Shapiro LLP Leads HBSS’s Boston office Lead negotiator in court-approved settlements totaling more than $2 billion Court-appointed lead or co-lead in ten active antitrust cases alleging injury to businesses and/or consumers caused by the delayed availability of generic drug, including: In re Glumetza Antitrust Litigation , No. 19-cv-05822...

Viktor A. Theiss is a lawyer recognized by Best Lawyers in the practice area of Family Law. Viktor A. practices law in Boston, Massachusetts Best Lawyers has recognized Viktor A. Theiss since 2023. 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 Viktor A. Theiss is held by other lawyers.