New Patent Assignments in District of Columbia, DC was 527.00000 Patents in December of 2020, according to the United States Federal Reserve. Historically, New Patent Assignments in District of Columbia, DC reached a record high of 4102.00000 in September of 2008 and a record low of 1.00000 in September of 1979. Trading Economics provides the current actual value, an historical data chart and related indicators for New Patent Assignments in District of Columbia, DC - last updated from the United States Federal Reserve on March of 2024.