a package to other firms. Regulators favor pools as a means to encourage innovation: Pools are expected to reduce … the effects of a patent pool on innovation. Contrary to theoretical predictions, the sewing machine pool appears to have … discouraged patenting and innovation, in particular for the members of the pool. Data on stitches per minute, as an objectively …

that pools encourage innovation in pool technologies, albeit at the cost of innovation in substitutes. Empirical evidence … innovations by new firms for a historical pool in the sewing machine industry (1856-1877) to examine effects on innovation …. Contrary to theoretical predictions, this analysis suggests that pools may discourage innovation in pool technologies and shift …