随着网络化的发展,网络信息已经成为当今最重要的专利信息源,熟悉网络信息源及其检索方法,更成为专利信息采集的基本途径和主要手段。本文重点论述网络信息源的发展现状、主要特点、以及中国国家知识产权局网站、美国专利商标局网站的基本结构和检索方法。 With the development of network, network information has become the most important source of patent information nowadays. Being familiar with the source of network information and its retrieval method has become the basic way and main means of patent information collection. This article focuses on the development of network information sources, the main features, as well as the China National Intellectual Property Office website, the United States Patent and Trademark Office website of the basic structure and retrieval methods.