Google, Dell, Zynga and the others want the courts to stop upholding and honoring patents vaguely written. A patent that asks to cover a certain technology "on a mobile device" is not specific enough according to the brief. Merely writing a sentence or two about an idea that someone has and saying that it is performed over the internet or on a mobile device could potentially block a tech company from moving forward on a project and in the eyes of the petitioners, paying a licensing fee would probably seem like paying blackmail to them.
Notably absent from the brief is a pair of companies that each have its legal team on the CEO's speed dial, Apple and Microsoft. For those who enjoy going through legal documents, you will find the brief below.