FlorianMueller writes: "Smartphone patent suits continue to sweep over the land. After getting bad vibes from the ITC on its complaint against Apple, Nokia just filed another suit over seven more patents. In Southern California, a spatial data patent is asserted against RIM, Google and Microsoft. Oddly, the patent holder is represented by the law firm that advises the Open Source Initiative. But the latest smartphone patent suit, filed by a company named H-W Technology L.C., is particularly worrying: among the 32 defendants it names — besides Google, Microsoft and device makers (all of whom are used to getting sued ) — various companies because of their smartphone apps: Amazon.com, eBay, Hotels.com, Expedia, Priceline.com, Orbitz Worldwide, Kayak.com, and Verizon. Those are companies who can defend themselves, but what if patent holders start to go after other app developers who don't have deep pockets? Patent holders may already have begun to demand royalties from developers of commercially successful apps..."