(By Luo Yanjie) Generally, the manufacture and sale of patented products are easily distinguished. Sale normally refers to infringing sale and purchase of patented products with no engagement in assembly or manufacture. In the case introduced in this essay, however, whether the behavior of the defendant was “manufacture” or “sale” is the key point argued. Now we would like to use the case and relevant law to introduce the difference between design patent “manufacture” and “sale.”