Technology innovation is widely recognised as a critical means in tackling climate change
and fulfilling energy policy objectives. The objective of this paper is twofold: first, to provide a …

This paper analyses the effects on patent quality of a type of spillovers arising from the
disclosure of patent information by firms engaged in competition in a global duopoly. Both …

This study revisits the question of predicting patent value with observed patent statistics,
exploiting a rare public auction of patents in China in which the starting prices are used as …

This paper explores three novel research questions. First, is an increase in the number of
countries involved in ownership of a co-patent an effective way to enhance patent quality …

This study aims to determine whether innovation depends on long-term patterns of
interactions in technology and science, using patents in nanotechnology. The previous …

Technological cumulativeness is considered one of the main mechanisms for technological
progress, yet its exact meaning and dynamics often remain unclear. To develop a better …

This paper empirically examines coincidences between “rejection citations”(ie, those cited
as grounds for rejections) added by the United States Patent and Trademark Office (USPTO) …

The PCT applications can be an indicator of patented technologies that firms consider
important and valuable. Since an International Search Report (ISR) is the primary …

This paper analyses extreme citers: patents that cite an extremely high number of references
to prior art. We find that around 17,000 patents, 0.04% of the total, contribute over 20 million …

Patent citations have been used for over four decades as indicators of numerous aspects of
technological progress, including knowledge flows, technological evolution, and patent …