As economic globalization deepens, the international trade of intellectual property protection has become increasingly obvious characteristics. Since the 90s of the 20th century, Sino-US intellectual property dispute broke out several times. Sino-US trade disputes on patent protection more and more, how to handle Sino-US trade in the patent protection of Sino-US trade disputes has become an important issue.
This article will take literature, case studies, comparative analysis, induction and deduction and other research methods. First, collect and organize data in the literature based on the general framework for the formation of paper. In order to study the reliability, this article will select the appropriate case, the do analysis. Most of this paper to illustrate the text from the 3: Comparison of U.S. patent system, reasons for the differences of U.S. patent system and U.S. Patent Case Analysis of friction. Based on the difference between the systems analysis, analysis of different forms of expression, to alert businesses how to avoid the current patent system, trade friction due to the difference; Analysis of the causes of differences between the patent system to prove that the entanglement between the structure, technological level, economic level and other gaps, unified system is impossible at this stage can only maintain the system of difference. We should draw a wide range of advanced experience of successful countries, in the narrow difference between the systems to resolve trade friction caused by the patent.