Any law department has its social base. As a new special department of international law, the international intellectual prop erty law is not an exception. The formulation of the national intellectual prope rty system is the social prerequisite of international intellectual property law . Contradiction between the locality and mobility of intelligence is the social reason of the development of the international intellectual property law. Coordi nation of the great difference in different intellectual property system based o n different politics, economy, culture and history is the social purpo...