TiVo Goes to Battle With Verizon, AT&T

TiVo launched legal battles with Verizon Communications and AT&T alleging infringement of its patented TV "time-warping" technology. Verizon and AT&T offer television service with digital video recorders. Chief Executive Tom Rogers said TiVo tried unsuccessfully to strike deals with both companies. "We figured we had to stop the irreparable harm," he said.