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1.对于已经经过专利权许可而向公众提供的专利产品，其使用权、销售权和许诺销售权应当被视为用尽或“穷竭”，专利权人不能阻止该专利产品所有权人向公众再次出售或提供；
2.“国内用尽”和“国际用尽”：2008年修订《专利法》时，考虑到我国的产业发展在相当程序上仍然依赖于国外技术和产品及其零部件的引进，明确规定专利产品或者依照专利方法直接获得的产品经合法售出后，进口该产品不视为侵犯专利权，等于承认了“专利权用尽”的范围应当是“国际用尽”。
Always put the interests of customers first, focus on solving major intellectual property law issues, only to accept the value of the client commission, attention to their professional ethics and professional ideals, to become an expert intellectual property lawyers and make unremitting efforts.
