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随着Internet的快速发展,不少提供专利服务的机构开始通过Internet提供专利查询服务。除了一些大的联机检索系统,如STN、Questel-Orbit提供专利服务外,还有一些专门提供专利服务的公司,服务的内容主要是美国专利的全文服务。这些服务主要以提供付费服务为主,但也有一些免费服务。本文选取了三个提供部分免费服务的节点,在简要介绍付费服务的同时,将着重介绍和专利有关的免费服务。
With the rapid development of the Internet, many organizations that provide patent services have started to provide patent search services over the Internet. In addition to some of the big online search systems such as STN and Questel-Orbit, there are also companies specializing in patented services that focus on the full-text US patent services. These services mainly to provide paid services, but there are some free services. This article selects three nodes that provide some free services. While briefly introducing paid services, we will focus on introducing free services related to patents.