Boeing, Philipp; Brandt, Loren; Dai, Ruochen; Lim, Kevin; … - 2024
We study the evolution of patenting in China from 1985-2019. We use a Large Language Model to measure patent importance … based on patent abstracts and classify patent ownership using a comprehensive business registry. We highlight four insights …. First, average patent importance declined from 2000-2010 but has increased more recently. Second, private Chinese firms …