A low-quality patent system threatens to slow the pace of technological progress. Concerns about low patent quality are … supported by estimates from litigation studies suggesting that the majority of patents granted by the U.S. patent office should … not have been issued. This paper proposes a new Bayesian method for measuring patent quality, based on twin patent …

A low-quality patent system threatens to slow the pace of technological progress. Concerns about low patent quality are … supported by estimates from litigation studies suggesting that the majority of patents granted by the U.S. patent office should … not have been issued. This paper proposes a new Bayesian method for measuring patent quality, based on twin patent …

Low-quality patents are of considerable concern to businesses operating in patent-dense markets. There are two pathways … by which low-quality patents may be issued: the patent office may apply systematically a standard that is too lenient … (low inventive step threshold); or the patent office may grant patents that are, in fact, below its own threshold (so …