Why did China infringe the intellectual property rights of the United States?

Intellectual property is the exclusive right of intellectual labor achievements created by human beings in social practice. With the development of science and technology, in order to better protect the interests of property owners, the intellectual property system came into being and was constantly improved. Nowadays, there are more and more violations of intellectual property rights such as patents, copyrights and trademarks. The modern patent system came into being in the first half of17th century. A hundred years later, the "patent specification" system came into being; More than a hundred years later, the system of "patent claim" came into being for the need of the court to deal with infringement disputes. 2 1 century, intellectual property rights are closely related to human life and are everywhere. We can see its important role in business competition.