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.
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