Patent troll says it owns GPS, sues Foursquare

Originally posted on Gigaom:

A Nevada-based shell company has filed a lawsuit against Foursquare, claiming the popular app is violating two patents that cover familiar navigation features.

In a complaint filed Wednesday in Las Vegas, Silver State Intellectual Technologies Inc asked for an injunction and damages related to U.S .Patent 7475057 (“System and method for user navigation”) and U.S. Patent 7343165 (“GPS Publication Application Server”).

Both patents describe the process of pushing information from a remote server to a user based on the location of that user and show diagrams like this one:

Silver State’s short legal filing (embedded below) doesn’t describe how exactly Foursquare infringed on the patent. The popular app relies on location tracking technology to offer a service that lets users and their friends “check in” to restaurants, merchants and other physical locations.

The lawsuit comes at a time when so-called patent trolls like Silver State have become aggressive about suing promising young…

View original 195 more words

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