Patent trolls often purchase vague and overly broad patents typically addressing commonplace technology and business methods. (nar.realtor)
But we still need broader patent reform to ensure that such weak patents don't lead to abusive troll litigation. (eff.org)
Two new industries, biotechnology and multimedia, are getting very upset about entrepreneurs who file broad patents on ideas that others in the industry regard as old and well known. (newscientist.com)