We've talked previously Lodsys company that claims to have a patent relating to the purchase of content within an application (app In-Purchase). At first their demands to developers using this tool were not taken seriously. But it took on greater proportions began to denounce as more companies.
Now, in an unprecedented action, demand for large companies such as Atari, Electronic Arts, Rovio, Take Two and Square Enix, for making improper use of his patent. Lodsys is clear that you are looking for money and so far, neither Apple has been able to stop him.
Let's see how he leaves the trick.