A federal judge has overturned a verdict requiring Apple to pay $625.6 million in damages to VirnetX for infringement of four patents, Reuters reports. This is the second time a judge has thrown out a huge judgment won by VirnetX against Apple. In 2014 an appeals court overturned a $368 million judgment over the uses of VirnetX patents in FaceTime technology, contending that Apple did infringe on the patents, but that the damages hadn’t been…