Abstract: Abstract: Because of the innovation and the marginal benefit increasing effect of high-tech products, the companies are paying more and more attentions to the international market development. The patent internationalization strategy is not only to protect its technology, but also reflects the deployment intentions of the international market. In the telecommunications industry, LTE product is the new generation product following the 3G technology. And the commercial networks and the trial networks have already been constructed in many countries. Based on the empirical study on the patents of the top 12 companies in this technology, the analysis of evolution paths of patent internationalization of the MNCs has been given so that the law of the high-tech products patent internationalization strategy can be found. In addition, the theoretical references have been provided for the MNCs to find the potential patent partners and avoid the possible patent litigation risks