Susan M. Abelleira

Susan M. Abelleira is a Boston-based partner, co-chair of a patent prosecution practice, and registered patent attorney. She focuses on patent prosecution, portfolio development, and portfolio management in biotechnology, chemistry, and pharmaceuticals. Her work includes non-infringement, invalidity, and freedom-to-operate opinions. She also assists with intellectual property due diligence for investments and acquisitions, agreements involving IP rights, and product lifecycle management.

Susan earned a B.A. in Chemistry from Regis College. She received an M.S. in Synthetic Organic Chemistry, with distinction, from Boston College, followed by a J.D., cum laude, from the University of New Hampshire School of Law. Her scientific training provides a strong foundation for understanding complex technologies, while her legal education supports careful analysis of patent rights, business risks, and intellectual property strategies.

Susan brings direct industry experience to her patent practice. She previously worked as a research scientist at Alkermes, Inc., where she focused on synthetic medicinal chemistry and researched peptides and small molecules with biological activity. She also directed the research activities of the Biochemical Pharmacology Department. Earlier, she worked as a chemist in New Product Development for W.R. Grace & Co. This background helps her understand both scientific innovation and commercial goals.

Susan M. Abelleira has been recognized by Best Lawyers for Patent Law from 2016 through 2026 and by IAM Patent 1000 for Massachusetts in 2024 and 2025. She is involved with the Boston Intellectual Property Law Association and the American Chemical Society. Her blend of scientific, industry, and legal experience supports practical advice for clients developing valuable technologies, evaluating intellectual property, and managing patent portfolios across changing product lifecycles.

Law Office Affiliations

• Partner, Foley Hoag LLP
• Member, Boston Intellectual Property Law Association
• Member, American Chemical Society

Licensed State

• Massachusetts

Education

• University of New Hampshire School of Law
  Juris Doctor (JD)
• Boston College
  Master of Science (MS)
• Regis College
  Bachelor of Arts (BA)