Prominent attorney represents man who claims he invented Uber

A yogi and documentary filmmaker with a history of filing legal claims sued Uber Technologies, accusing its founders and investors of stealing the ideas, designs and plans that formed the basis for what has become the most valuable technology startup in the world. Given plaintiff Kevin Halpern's two previous lawsuits — including one alleging his idea for another company was stolen and a case in which he claimed false imprisonment by two Santa Cruz police officers who arrested him on suspicion…