Apple and Google have reached a settlement in a series of fierce patent battles marking a major legal truce between the companies responsible for the leading smartphone platforms. The two companies told the U.S. Court of Appeals for the Federal Circuit today that they have agreed to drop all outstanding patent litigation, although they stopped short of licensing their patent portfolios to each other. The agreement brings a multi-year, trans-continental patent fight to a close. Both companies brought patent actions against one another to US courts, the US International Trade Commission, as well as German authorities.