After servant system reform in 1861,Russian dictatorial system transformed into capitalist monarchy system fast.

On reform of China's tobacco monopoly system based on tobacco monopoly system evolution mode of the world;

The blame doesn t lie in the monopoly system itself.

The monopoly system aroused prevalent repugnance of the people there, which resulted in the outbreak of the event of February 28, 1947.

The U.S. patent system innovation and the influence;

The Effect of Piracy Activities on Patent System;

Analysis of the Economic Effect of Technology Patent System;

Study on Patent System for Agricultural Technology Innovation;

In such context,this article raises the conflict between patent and public ownership in technological innovation of private enterprises, and further analyses this antinomy from the viewpoints of the rationality and limitation of patent.

It puts forward a concept of humanstic design,analyzes patent system influence on humanstic sign and compares the difference between China and Japan.

Costs and Revenus Analysis on the Patent institution;

Encouragement Theory is an important theory of proper patent institution.

For a long time, the institution featuring the consistency between private return and social return and the promotion of innovation are guaranteed by exclusive monopoly of knowledge in patent institution.