How to Choose Between Invention, Utility Model, and Design Patents

对比发明专利、实用新型与外观设计在保护对象、审查周期与保护期限上的差异,给出不同技术成果的申请选择建议,帮助企业合理布局专利。

我国专利分为发明、实用新型与外观设计三种类型,申请前应根据成果特点选择。保护对象:发明专利保护产品、方法或其改进的新技术方案,覆盖范围最广,方法类成果只能申请发明;实用新型保护产品的形状、构造或其结合的实用新方案,仅限有固定形状的产品;外观设计保护产品外观的整体或局部新设计,关注形状、图案与色彩的视觉效果。审查方式:发明需要经过实质审查,审查周期较长;实用新型与外观设计只进行初步审查,授权相对较快,具体周期以国家知识产权局实际审查为准。保护期限:发明为二十年,实用新型为十年,外观设计为十五年,均自申请日起算。选择建议:核心技术方案与工艺方法优先申请发明;结构改进类产品可考虑发明与实用新型同日申请,先获得实用新型保护;产品外观独特性强的应同步布局外观设计。风险提示:实用新型与外观设计未经实审,权利稳定性相对较弱,维权时可能需要专利权评价报告。具体布局方案可联系售司网顾问按实际情况评估。

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