The 4 Worst Patents of 2015

This was another depressing year for patent law, which long ago lost sight of its constitutional moorings as a balanced and limited source of incentives for innovators. Though Congress, the courts and the Patent and Trademark Office each tried in their own way to rein in a system widely-regarded as out of control, in the end nobody made much progress. On just one day in November, for example, over 200 new patent lawsuits were filed, as plaintiffs rushed to beat a change in federal procedure that could require more specific claims. Most were from companies that buy up patents of dubious quality and use them to extract nuisance settlements from actual innovators.

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