FatPipe® Networks, the inventor and holder of multiple patents for software-defined networks for wide area connectivity and hybrid WANs, today announced that the United States Patent and Trademark Office Patent Court has upheld a signature claim in FatPipe's U.S. Patent No. 6,775,235 for load balancing over disparate networks. FatPipe's 6,775,235 patent describes a system and method for communicating using two or more disparate networks in parallel, allowing for failover and load balancing of session flows and re-directing packets over multiple networks. This path selection ability represents the foundation of a hybrid WAN and the primary component of a SD-WAN solution.