Critics of intellectual property

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Some critics of intellectual property, like those in the free culture motion, point at intellectual monopolies as harming health in the case of pharmaceutical patents , preventing progress, and benefiting concentrated interests to the detriment of the masses, and argue that the public interest is harmed by ever expansive monopolies in the form of extensions, software patents, and business technique patents. More recently scientists and engineers are expressing concern that patent thickets are undermining technological development in high tech fields like nanotechnology. Petra Moser asserted that historical analysis suggests that intellectual property laws may harm innovation: in general, the weight of the present historical evidence suggests that patent policies, which grant strong intellectual property rights to early generations of inventors, may deter novelty. On the opposite, policies that support the diffusion of ideas and change patent laws to help entry and support competition can be an efficient system to support innovation.