Judge Richard Posner, one of the best regarded judges in the world, has a blog post in which he expresses concern about the potential for patent and copyright law to restrict competition and creativity. On patents, Posner notes:

When patent protection provides an inventor with more insulation from competition than he needed to have an adequate incentive to make the invention, the result is to increase market prices above efficient levels, causing distortions in the allocation of resources

He continues by citing the software industry as an example of the dangers of excessive patent protection. On copyright, he expresses doubt about the social benefit of copyright for any academic work other than textbooks, noting that they are a by-product of academic research that would be produced with or without copyright protection. His two major concerns involve the term of copyright (which is longer in the U.S. than in Canada but could be extended under the TPP) and narrow interpretations of fair use:

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