Doug Pearson advises clients across a host of intellectual property (IP) and technology issues, particularly in the development, management, and enforcement of worldwide patent portfolios. He represents clients in patent litigation before the United States International Trade Commission (ITC) and U.S. district courts and in patent matters before the U.S. Patent and Trademark Office (USPTO) including the USPTO's Patent Trial and Appeal Board (PTAB). He counsels clients on portfolio strategy, patentability and validity assessments, trade secrets, IP due diligence for M&A, joint development and partnering agreements, freedom to operate, and IP issues for start-ups. Doug has helped clients successfully obtain hundreds of U.S. and international patents. He also assists clients with acquisitions under review by the Committee on Foreign Investment in the United States (CFIUS) and matters involving export compliance under the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR), and regulations of the Office of Foreign Assets Control (OFAC).Doug's patent litigation experience includes pre-filing diligence, case development, written discovery, fact/expert depositions, motion practice, joint defense groups, trial practice, post-trial issues, and appeal. He also has worked on copyright and trade secret disputes. He holds a Ph.D. in applied physics and leverages broad technical experience in electronics, signal processing, materials, optics, computational methods, and information technology in working with expert witnesses on what are often case-dispositive issues.