2022-07-23
Nearly 113,000 nanotechnology related patents (nano-patents) have been granted by the USPTO over the last 20 years. Contrary to nanotechnology publications, which have witnessed a constant upward trend, nano-patents have undergone fluctuations, and in the timespans of 2007-2008, 2015-2016, and 2019 until present, the growth rate has experienced a sharp decline. While the average annual growth...
