此等信息应当尽最大可能地提供，但不要求必须进行专利检索。
Such information should be provided on a "best effort" basis but there is no requirement for patent searches.
目的通过对美国专利政策的研究，对FDA药物专利情报检索进行指导。
OBJECTIVE By studying from the American patent system, to guide the acquisition of patent information from FDA drug database.
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.
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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