0.引言在当今世界知识产权保护体系中,医疗方法通常是指以人体或动物体为实施对象的方法,目前在世界范围内,大部分国家对医疗方法均不授予专利权,只有美国等极少数国家对于医疗方法专利授权。尽管如此,在世界范围内对医疗方法是否具可专利性的讨论从未停止过。随着中国加入WTO,我国也有不少学者提出放开医疗方法专利保护。本文拟从美国对医疗方法专利的态度变迁谈起,并基于我国目前的形势展开讨论。1.美国医疗方法的可专利性历史沿革 0. Introduction In the current world intellectual property protection system, medical methods usually refer to the method of implementation of human or animal body. At present, most countries do not grant patent rights to medical methods, only the United States and other countries. A few countries have patents for medical methods. Despite this, the discussion on the patentability of medical methods has never stopped in the world. With China’s accession to the WTO, many scholars in China have also proposed to liberalize patent protection for medical methods. This article is intended to start with the changing attitude of the United States to medical method patents, and to discuss based on the current situation in China. 1. The history of the patentability of U.S. medical methods