专利实质审查的生效授权要多长时间？-法律综合法律援助-法律咨询免费平台-国际律师联盟

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问题	专利实质审查的生效授权要多长时间？
释义	法律分析：发明专利需要经过：受理、初审、公布、实审、授权五个阶段，自受理到公布需要18个月左右的时间，再经过实审到授权差不多就要1年半至2年左右才能进行完成。对实用新型专利和外观设计专利，审批只需要经过受理、初审、授权三个阶段，一般在6个月以内。法律依据：《中华人民共和国专利法》第三十四条国务院专利行政部门收到发明专利申请后，经初步审查认为符合本法要求的，自申请日起满十八个月，即行公布。国务院专利行政部门可以根据申请人的请求早日公布其申请。
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