John M. White began his career as a civil engineer with the Federal Highway Administration as a Field Engineer. Following 5 years as an engineer, he worked in the United States Patent and Trademark Office as a Patent Examiner for automobile transmissions and control systems. Mr. White entered private practice in 1987, and started his own firm, Longacre & White, in 1988. In 1998, Mr. White merged his firm with the Liniak & Berenato firm, now the Berenato White & Stavish firm in Bethesda, MD.
He has more than 20 years experience in all aspect of intellectual property, including patent and trademark prosecution, litigation, infringement and validity analysis and opinion writing. Mr. White has served as an expert witness in numerous patent litigation matters and has also successfully argued before the Court of Appeals for the Federal Circuit and the Patent Office Board of Appeals and Interferences.