Supreme Court Hears Arguments on Software Patents

U.S. Supreme Court justices stepped gingerly into a raging debate over computer software, voicing concerns about vaguely defined patents but signaling they would avoid any radical change to existing law. This may help tech companies fend off lawsuits filed by "patent trolls," defined as companies that hold patents only for the purpose of suing firms seeking to develop new products, but not as much as a broad ruling would.