"In recent years, American companies have faced a growing threat from patent assertion entities derisively called "patent trolls." These often shadowy firms make money by threatening patent lawsuits rather than creating useful products. A recent study suggests that the roots of the patent trolling problem may lie with the US Patent and Trademark office—specifically with patent examiners who fail to thoroughly vet patent applications before approving them...
The study reinforces earlier research suggesting that the country's problems with low-quality patents and rampant patent litigation is driven by inadequate scrutiny of patents by patent examiners. It suggests that giving patent examiners better training and more time to scrutinize each patent could improve patent quality and bring down frivolous patent litigation over time."
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