Marian Underweiser

Adjunct Professor of Law

Counsel for IP Law Strategy and Policy, IBM


A.B., Harvard University

J.D., Columbia Law School


Areas of Expertise

Intellectual Property


Marian Underweiser is IBM’s Counsel for IP Law Strategy and Policy. Dr. Underweiser develops IBM’s policy on a broad spectrum of IP matters, including legislative, PTO, and judicial reform. She worked extensively representing IBM’s position on the America Invents Act throughout the legislative process, and continues to do so through current implementation efforts. Her amicus work includes IBM’s briefs to the Supreme Court in Microsoft v. i4i, eBay v. Mercexchange, KSR v. Teleflex, Bilski v. Kappos, and Quanta v. LG. Dr. Underweiser has held several prior positions at IBM with responsibilities including the management and oversight of IBM’s worldwide patent portfolio and management of the IP department at IBM’s T.J. Watson Research Center.  As a member of IBM’s Corporate IP licensing team, Dr. Underweiser negotiated major IP transactions including patent and technology licenses, litigation settlements, and business line divestitures. 


She is chair of the IPO’s US Patent Law Committee and a member of the American Intellectual Property Law Association and the American Physical Society.


Dr. Underweiser is a graduate of Harvard University where she received her AB in Physics. She received her PhD in Physics from UCLA, where she specialized in Condensed Matter Physics, and her JD from Columbia Law School where she was a Stone and Kent scholar.

Contact Information

Cardozo School of Law

55 Fifth Avenue

New York, NY 10003