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人们要搞一个科研课题、搞一项技术革新或发明,想及时了解和掌握当今世界上最新的科技发展水平、发展动态和发展趋势,那么,就要掌握查找世界专利文献的钥匙一《世界专利索引》。《世界专利索引》原名是World Paten-ts Index(简称WPI)。它是由英国一家专门从事专利情报报道的私营出版机构德温特出版公司(Derwent Publication Ltd)出版。它主要报道世界上二十六个国家、两个国际组织(欧洲专利合作公约和国际专利合作条约)、英国的《研究公开》和美国的
People want to engage in a research project, engage in a technological innovation or invention, want to keep abreast of and grasp the latest technological development level, development trends and trends in the world today, then, we must grasp the key to find the world patent literature a world patent index“. ”World Patent Index“ formerly known as the World Paten-ts Index (referred to as WPI). It is published by Derwent Publication Ltd, a UK-based private publishing agency that specializes in patent intelligence. It mainly covers 26 countries in the world, two international organizations (European Patent Cooperation Convention and International Patent Cooperation Treaty), ”Research Disclosure" in Britain and the United States