Riley O'Brien

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...

Rory Pheiffer works with clients to develop patent portfolios, domestically and abroad, that align with their business goals. He also counsels clients on patent opinion and product clearance matters, IP due diligence issues on the buyer and seller side, license negotiations, and trademark portfolio growth and enforcement in conjunction with building the client’s brand. Clients rely on Rory’s technical knowledge, which he honed while earning a degree in mechanical engineering from ...

Colleen A. Murphy is a lawyer recognized by Best Lawyers in the practice area of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Colleen A. practices law in Boston, Massachusetts Best Lawyers has recognized Colleen A. Murphy 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 Colleen A. Murphy is held by other lawyers.

Felicia Ellsworth is a nationally renowned first-chair trial lawyer and appellate advocate who serves as vice chair of WilmerHale’s Litigation/Controversy Department, a member of the firm’s global Management Committee, and Partner-in-Charge of WilmerHale’s Boston Office.

Jay Rosenbaum is a partner in Nixon Peabody's Private Clients group and the leader of the firm’s International Private Clients team. Jay represents high net worth individuals and families both in the US and around the globe. What do you focus on? Individuals and families are at the core of my practice, with a strong focus on international families. I also serve domestic high net worth families and have special experience integrating estate and business planning. International Private Cl...

Thomas K. McCraw is a lawyer recognized by Best Lawyers in the practice area of Litigation - Construction. Thomas K. practices law in Boston, Massachusetts Best Lawyers has recognized Thomas K. McCraw 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 Thomas K. McCraw is held by other lawyers.

Michael B. Barkley is a lawyer recognized by Best Lawyers in the practice area of Medical Malpractice Law - Defendants. Michael B. practices law in Boston, Massachusetts Best Lawyers has recognized Michael B. Barkley since 2020. 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 Michael B. Barkley is held by other lawyers.

Ieuan Gael Mahony is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Intellectual Property. Ieuan Gael practices law in Boston, Massachusetts Best Lawyers has recognized Ieuan Gael Mahony since 1983. 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 Ieuan Gael Mahony is held by other lawyers.

Gareth Orsmond focuses his practice on commercial real estate, land use, environmental, and energy matters in Massachusetts and New Hampshire. His practice encompasses transactional work, permitting, and litigation. Gareth started his career as an environmental and land use lawyer before building his commercial transactional practice. This background enables him to negotiate and implement complex real estate deals while resolving challenging environmental and land use issues.

Rob Fisher is a Chambers USA ranked trial lawyer and former Assistant United States Attorney who represents clients facing bet-the-company internal and government investigations or charges brought by agencies such as the Department of Justice, the Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), and the various state attorneys general. He serves as practice group leader for the firm’s Government Investigations & White Collar Defense prac...