David Silverstein is a registered patent attorney with over twenty years of experience handling legal and regulatory matters, on the generic and the branded side, relating to pharmaceutical and biotech products. David has served as lead counsel in matters before the U.S. district courts, Patent Trial and Appeal Board, and U.S. Court of Appeals for the Federal Circuit. In addition, David’s practice includes performing due diligence, license negotiation, and counseling in connection with complex commercial transactions involving pharmaceutical and biotech products. David is frequently involved in FDA strategy and counseling, including filing or responding to citizen petitions, and coordinating FDA strategy with patent litigation strategy.David previously practiced in-house at Par Pharmaceutical and, prior to that, at major New York firms. While in-house, David oversaw and managed all aspects of patent, antitrust, unfair competition and trade secret litigation. David also served as Par’s in-house regulatory counsel, advising on regulatory strategies and frequently representing Par before FDA’s Office of Chief Counsel and other regulators.Together with his graduate training in protein crystallography and structure-based drug design, David combines his courtroom and industry experience to develop strategies that enable his clients to achieve their technical, legal, and commercial objectives simultaneously.