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随着知识经济时代的到来,人们对知识信息的需求日趋强烈,对专利信息的需求也十分迫切。因特网的飞速发展及其信息资源的迅猛增长,为人们获取各类信息提供了良好的途径。本文就如何通过因特网免费查询中外专利信息做点简要介绍。1.中国专利信息网网址:http://www.patent.com.cn(1)中国专利数据库该数据库收录了我国自1985年实施专利制度以来至1999年4月的发明和实用新型专利。用户可检索到除专利权利要求书和说明书之外的全部专利信息,主要有:申请/专利号、申请/公开日、申请/发明人、申请/代理人的通讯地址、法律状态、专利名称和摘要等。中国专利数据库检索系统提供全文检索。在主页面上的查询对话框内输入待查内容,即可通过“选项”按钮,选择“逻辑与”或
With the advent of the era of knowledge-based economy, people's demand for knowledge and information is getting stronger and stronger. The demand for patent information is also very urgent. The rapid development of the Internet and the rapid growth of its information resources provide a good way for people to access various types of information. This article gives a brief introduction on how to search Chinese and foreign patent information freely through internet. 1. China Patent Information Website: http: //www.patent.com.cn (1) China Patent Database This database contains patents for inventions and utility models since the implementation of the patent system in China in April 1999. Users can retrieve all the patent information except patent claims and manuals, mainly including: application / patent number, application / publication date, application / inventor, application / agent's mailing address, legal status, patent name and Summary and so on. Chinese patent database retrieval system to provide full-text search. In the main page of the query dialog box, enter the content to be checked, you can through the “Options” button, select “Logical AND ” or