Schwarz, Jiri; Stepanek, Martin - 2016
This paper utilizes a data set of over 208,000 U.S. patents applied for between 1975 and 2010 to study development of … strategic patenting over time and across industries. With received citations as a measure of patent social value, we use data … strategy reveals there was an almost universal drop in patent social value in the second half of the 1990s, signaling a shift …