"Utility model" in the Patent Law means any new technical solution relating to the shape, the structure, or their combination, of a product, which is fit for practical use.

专利法所称实用新型，是指对产品的形状、构造或者其结合所提出的适于实用的新的技术方案。

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The utility function model of friendship index expounds the prerequisite and degree of altruistic, egoistic, harm and ride-free behavior that they conform to economic law.

行为的敌友指数效用函数模型，在个体水平上说明了利他、利己、损人和搭便车行为发生的条件和程度，指出它们都是符合经济学规律的。

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This part also tells the rule and the method which is judged if the invent and the utility model right is trenched in the Patent Law.

并简要说明了我国专利法所确定的判定发明和实用新型专利侵权的基本准则和方法，为以下具体分析专利侵权认定时所遵循的几个具体原则提供依据。

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