Apple pushed organizations like Major League Baseball and ESPN to adopt its HTTP live streaming (HLS) technology, and in so doing caused them to infringe on an Emblaze patent, a lawyer for the latter party claimed today at the start of a federal trial. The patent in question was issued in 2002; Emblaze says that it covers delivering live-streaming video over wireless networks. Apple began work on HLS “no earlier than 2007,” according to the Emblaze attorney, and asked services like MLB At Bat and WatchESPN to switch to the format to improve sales of iOS devices, since they can’t handle other…