Oddly enough, an early landmark Supreme Court case in the US involved the owners of one bridge suing to try to stop a competing bridge: http://en.wikipedia.org

Oddly enough, an early landmark Supreme Court case in the US involved the owners of one bridge suing to try to stop a competing bridge: http://en.wikipedia.org/wiki/Charles_River_Bridge_v._Warren_Bridge http://en.wikipedia.org/wiki/Charles_River_Bridge_v._Warren_...