Apple wants to patent his system ' in App Purchase '. The Cupertino company has, in fact, filed with the USPTO (United States Patent and Trademark Office), the request for registration of '' This acquisition interface in an application that allows you to buy a product from another source without leaving application itself . '
Needless to say, if granted, all other store applications, Google, Microsoft, Amazon and others will use a patent from Apple if they want to offer the opportunity to purchase additional content directly from an application.