Sometimes companies buy IP , just to block it from being taken by other company.
Many times , they really do not intend to build products based upon that IP.
The interesting case here is that of Google buying Motorola Mobility to tkae hold of some 17000 patents, to counter the stiff competetion of Microsoft and Apple and later on selling the company to Lenovo at loss, but holding on dearly to those patents!
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.