==Blog Post==
From the bridges of our favorite storybooks to the deepest parts of internet forums, trolls seem to persistently haunt mankind. Thanks to a practice disproportionately located in the Eastern district of Texas they now seem to haunt our courtrooms. Patent trolls, sometimes misdefined more professionally mistakenly referred to as non-practicing entities (NPEs) or patent assertion entities (PAEs), don't wield clubs like their fantasy namesakes but are could be every part as dangerous and troublesome. As [http://www.wired.com/2015/01/fixing-broken-patent-system/ reported] by ''Wired'', 95% of patents are never used commercially and are rather held by NPEs. Most non-practicing entities, universities being a good example, file patents off of in-house innovations with no intent to commercialize or derive profit.
This is in contrast to patent assertion entities, which generate a majority of their revenue through licensing the patents they own. For example, a large firm may buy up a thousand patents. Instead of creating products derived from those patents, they license these patents to other firms that wish to create those products. With most NPEs and PAEs, if another entity infringes on a patent, the NPE or PAE would in good faith send a demand letter to the infringing entity with a warning. This demand letter warns the infringing entity that they are subject to a lawsuit if they do not acquire the proper licensing of the patent.