专利申请周期是多少时间呢-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	专利申请周期是多少时间呢
释义	申请发明专利需要2年，申请实用新型和外观专利是6-8个月。专利权期限是指专利权的法定有效时间。专利权在有效时间内受法律保护。根据专利法的规定，发明专利的法定有效时间为20年；实用新型专利和外观设计专利的法定有效时间为10年。以上法定有效时间均自申请之日起计算。法律依据：《中华人民共和国专利法》第四十五条发明专利权的期限为20年，实用新型专利权和外观设计专利权的期限为10年，均自申请日起计算。
随便看	民间借贷借条怎么写合法有效有效的合法借条怎么写借条需要怎么写才有效？在法律上借条怎么写合法正规的借条要怎么写才具有法律效力借条应该怎样写才有效如何正确书写借条才合法书写借条的注意事项法律问题打借条时所注意的问题有哪些？书写借条和欠条时应注意什么事项在出具欠条和借条时需要注意哪些出具欠条、借条要注意的事项借条应该怎么写才有效？借条应该怎么写才合法有效？借条怎么写才合法有效？借条借款怎么写才有效个人借条怎么样写才有效借条怎样写才合法借条怎么写才合法有效借款借条怎么写合法合法的借条怎么写？合法借条怎么写？法律规定借条怎样写法律正规借条怎么写借条具有法律效力吗 agreement of mediation in civil litigation agreement of partners in leasehold management agreement of payment by agency agreement of private persons agreement of separation agreement of transfer agreement on amendment agreement on autonomy agreement on civil air transport agreement on clothing agreement on consignment agreement on contracted business operation through bidding agreement on contracted farm and sideline businesses agreement on contracted management agreement on contracted responsibility for business operations agreement on contracted responsibility for guarding mountain forest agreement on contracted responsibility for the operation of mountain forest agreement on contracting an enterprise agreement on contracting motor vehicles for farm purposes agreement on cross-license agreement on deferred payment agreement on division of supply of equipment and materials agreement on economic aid agreement on economic assistance agreement on election of forum

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