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U.S. President Barack Obama speaks in Washington, D.C. on May 23, 2013.
Today, the Obama administration announced steps to crack down on people or companies known as patent trolls. These trolls file patents with no intent of manufacturing or marketing the invention.
Instead, using patent law, they force tech companies and financial institutions into very pricey litigation to protect their own products.
Robin Feldman, professor of law and director of the Institute for Innovation Law at UC Hastings, joins the show with more.