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Over the last two years, much has been written about patent trolls, firms that make their money asserting patents against other companies, but do not make a useful product of their own. Both the White House and Congressional leaders have called for patent reform to fix the underlying problems that give rise to patent troll lawsuits. Not so fast, say Stephen Haber and Ross Levine in a Wall Street Journal Op-Ed (“The Myth of the Wicked Patent Troll”). We shouldn’t reform the patent system, they say, because there is no evidence that trolls are hindering innovation; these calls are being driven just by a few large companies who don’t want to pay inventors.

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