重点介绍因特网上国内外著名的专利数据库的网址、内容和专利文献的免费检索方法。
Introduces the web sites and contents of patent databases well-known at home and abroad as well as the free retrieval of patent information on the Internet.
通过对美国专利商标局（USPTO）专利数据库检索过程的实例说明，介绍该专利网络检索方法，供用户在检索美国专利文献时参考与使用。
The methods for USPTO patent database searching were introduced by examples, so as to be used to search patents in United States.
方法介绍美国药物专利方面的法规政策及FDA专利情报的检索，并对在FDA及专利数据库检索过程中遇到的问题进行分析。
METHODS Introduce American drug patent system and the method of FDA information retrieval, analyze and ravel out the problems from FDA information retrieval.
网上专利数据库方便了专利信息的检索，而相应专利分析软件的出现又使得专利分析更加快捷有效。
Nowadays, online patent databases make patent retrieval more convenient, while patent analysis tools make patent analysis more efficient.
药品失效专利信息检索可以通过各个国家地区的专利数据库实施，同时也可以通过各个国家地区的专利公报电子版进行跟踪获取。
The information of invalid drug patent can be sought through patent database in the patent organization of nation or region respectively; also, it can be tracked in terms of online patent gazette.
选择国家知识产权数据库、世界知识产权数据库等多个数据库进行检索，采集1960年到2010年与铝蜂窝有关的专利文献，建立专利数据库。
"The national intellectual property and WIPO" patent database is chosen, aluminium honeycomb technology patent between 1960 and 2010 are collected and the associated patent database is established.
选择国家知识产权数据库、世界知识产权数据库等多个数据库进行检索，采集1960年到2010年与铝蜂窝有关的专利文献，建立专利数据库。
"The national intellectual property and WIPO" patent database is chosen, aluminium honeycomb technology patent between 1960 and 2010 are collected and the associated patent database is established.
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