在我国的专利侵权诉讼中,作为被告的销售者或使用者主张权利的理由经常是:其不知道所销售或使用的产品侵犯了原告的专利权,且该产品有合法来源,因此其不应承担赔偿责任。赋予被控侵权的销售者和使用者该项抗辩理由的是现行《专利法》(2000年修正)第63条第2款:“为生产经营目的使用或者销售不知道是未经专利权人许可而制造并售出的专利产品或者依照专利方法直接获得 In China’s patent infringement litigation, the reason why the defendant’s seller or user asserts rights is often that they do not know that the products they sell or use infringe upon the plaintiff’s patent rights and that the products have a legal source and therefore should not Liability. The reason for the defense given to the seller and the user accused of infringement is Article 63, paragraph 2, of the current Patent Law (2000 Amendment): ”For the purpose of production and operation, it is not known to be an unpatented person Licensed and manufactured and sold patented product or obtained directly in accordance with the patented method