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问题	发明专利权自何日起生效法律问题
释义	法律分析: 专利权有效期均自申请日起计算。发明专利权的期限为二十年，实用新型专利权和外观设计专利权的期限为十年，均自申请日起计算。虽然发明专利权、实用新型专利权和外观设计专利权均自授权公告之日起生效，但权利存续期限却要向前推算从申请日期开始计算10年或者20年。法律依据: 《中华人民共和国专利法》第四十二条发明专利权的期限为二十年，实用新型专利权和外观设计专利权的期限为十年，均自申请日起计算。
随便看	夫妻共同财产过户离婚后小孩抚养权共同拥有可以吗下列选项中哪种经营者集中的情形可以不向国务院反垄断执法机构申报行政处罚款怎么上缴合同盖章有效的方式劳动合同公司只盖章可以了吗公司和员工签合同盖什么章员工到新公司开始上班多久签订劳动协议？劳动合同公司需签字盖章吗劳务合同需要盖章才成立嘛？劳动合同是盖公章还是合同章？无证驾驶有什么法律后果摩托车无证驾驶是否严重成都机动车注册登记办理费用和办理时间是如何规定的成都机动车转入登记办理费用和政策规定是如何规定的农村如何办理户口涉嫌经济犯罪名词解释法人代表死亡变更登记的是否需要进行公证？法人代表死亡变更登记的需要进行公证吗？法定代表人死亡后办理变更登记的手续公司法定代表人死亡如何申请变更登记公司法人代表变更流程和手续是怎么的请问离婚协议书怎么写，如果男方不同意该怎么解决女子在55岁时能否退休？离婚官司法官一般怎么问？ member of a company group member of a delegation member of a joint venture member of a lawyers' association member of a legislature assembly member of a mediation committee member of an editorial board member of an executive council or a board of directors member of a presidium member of armed forces member of a society, club, etc. Member Of Congress Member of Lands Tribunal Member of Parliament member of partnership member of right member of the adjudicatory committee member of the bar member of the Board of Directors member of the Central Committee member of the Chamber of Deputies member of the Chinese People's Political Consultative Conference member of the consular staff member of the court-martial member of the diplomatic staff

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