Patent troll expert Professor Robin Feldman of UC Hastings said that patent rights are not the same as other property rights.
The US constitution says the purpose of patents is to promote the progress of the useful arts. Society has a right and an obligation to bring them back into line if they are not fit for purpose. President Obama has now intervened, with 12 new rules to reduce the impact of NPEs, known as non-practicing entities, or trolls.
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