Windows Phone Thoughts: brighthand: "Company Claims Patent on Wireless Roaming"

"For a long time, a Holy Grail of the mobile world was a way of allowing devices to roam seamlessly between different types of wireless networks. For example, a user could be driving in his car connected to a GSM/GPRS network for voice and data and, when he arrives at his office, be instantly handed off to a local Wi-Fi network, where his call is no longer counted against his mobile phone service and data access is much faster. A number of companies have been working on ways to make this happen for years and one of them, Calypso Wireless, came up with a method and obtained a patent on it..."

Patent here, patent there, stopping innovation without a care...