Mark J. Feldstein Ph.D.
Partner
Mark Feldstein focuses on U.S. district court litigation, primarily concerning the enforcement of U.S. patent rights and trade secret issues. He also maintains an active patent prosecution practice, preparing and prosecuting U.S. patent applications on behalf of domestic and foreign clients. In addition, Dr. Feldstein provides opinions and strategic guidance to clients on infringement, validity, enforceability, and clearance matters.
Dr. Feldstein’s practice encompasses a range of technologies, including pharmaceuticals, polymers, small molecule chemistry, nanotechnology, optics, and medical and analytic devices. His proficiency in these areas is supported by extensive research experience. For example, prior to his legal career, Dr. Feldstein conducted research in ultrafast laser spectroscopy and scanning probe microscopy analysis of metallic, nano-structured, and conducting polymeric systems. As a National Research Counsel post-doctoral associate, Dr. Feldstein also designed and developed optically transduced biosensors and related signal processing software for the U.S. Naval Research Laboratory.
In addition to his practice at Finnegan, Dr. Feldstein is an adjunct professor of law at Georgetown University Law Center, teaching courses in patent prosecution practice and IP management. He also speaks regularly to national and international audiences of both attorneys and scientists on issues of patent litigation and prosecution.
Dr. Feldstein’s pro bono activities include military veteran representation
before the U.S. Court of Appeals for Veterans Claims.
Professional Activities
- American Association of Pharmaceutical Scientists (AAPS)
Select Publications