October 20, 2021

Volume XI, Number 293

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Mark J. Feldstein, Ph.D.

Mark Feldstein, Ph.D., focuses on U.S. district court litigation, primarily concerning the enforcement of U.S. patent rights and trade secret issues, and post-grant trial proceedings at the U.S. Patent and Trademark Office (USPTO), including inter partes review (IPR) and post grant review (PGR). He has particular experience with litigations arising from Abbreviated New Drug Applications (ANDAs) under the Hatch-Waxman Act.

Mark also maintains an active patent prosecution practice, preparing and prosecuting U.S. patent applications on behalf of domestic and foreign clients. In addition, he provides opinions and strategic guidance to clients on infringement, validity, enforceability, and clearance matters. In Acritas Stars, clients have praised his extensive knowledge of patent law; depth of technical and legal expertise, and the quality of advice; and determination to get things done.

Mark’s practice encompasses a range of technologies, including pharmaceuticals, chemicals, biochemistry, polymers, small molecule chemistry, nanotechnology, optics, and medical and analytic devices. His proficiency in these areas is supported by extensive research experience. Prior to his legal career, Mark conducted research in ultrafast laser spectroscopy and scanning probe microscopy analysis applied to metallic, nano-structured, and conducting polymeric systems. As a National Research Council post-doctoral associate, Mark also designed and developed optically transduced biosensors and related signal processing software for the U.S. Naval Research Laboratory.

Mark is an adjunct professor of law at Georgetown University Law Center, teaching courses in patent prosecution practice and IP management. He speaks regularly to national and international audiences of both attorneys and scientists on issues of patent strategy, prosecution, and litigation. Mark is also an associate editor for texts published by the American Bar Association Section of Intellectual Property Law on Abbreviated New Drug Application (ANDA) litigation law and strategy, and by AIPLA/Bloomberg BNA on evidence in patent litigations.

Mark’s pro bono activities include military veteran representation before the U.S. Court of Appeals for Veterans Claims.

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Articles in the National Law Review database by Mark J. Feldstein, Ph.D.

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