WASHINGTON (Reuters) - U.S. Senator Marco Rubio filed legislation on Monday that would prevent Huawei Technologies Co Ltd from seeking damages in U.S. patent courts, after the Chinese firm demanded that Verizon Communications Inc pay $1 billion (£797 million) to license the rights to patented technology.Under the amendment - seen by Reuters - companies on certain U.S. government watch lists, which would include Huawei, would not be allowed to seek relief under U.S. law with respect to U.S...