技术专利有效期多少年？-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	技术专利有效期多少年？
释义	法律分析：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。保持专利权的有效期是以专利权人按规定缴纳年费为前提，当在下列情况下，专利权提前终止：（1）专利权人没有按照规定缴纳年费的。（2）专利权人以书面形式声明放弃其专利权的。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	事业单位改制法律分析淘宝上卖烟丝合法吗 -法律知识私自卖烟丝会不会犯法？网购香烟是否违法？没有烟花爆竹证卖烟花被查到会怎么处理无证买烟花触犯法律嘛拉烟花没有证被捉到会怎样？买到假烟了怎么举报账户已全额冻结不可交易 -法律知识账户已全额冻结不可交易？账户全额冻结不能交易怎么办 -法律知识银行卡全额冻结不可交易 -法律知识帐户已全额冻结,不可交易？农业银行卡账户已全额冻结,不可交易？账户已全额冻结不可交易法律问题农业银行卡账户已全额冻结,不可交易 -法律知识帐户已全额冻结,不可交易 -法律知识农行账户已全额冻结不可交易法律问题农行账户已全额冻结不可交易 -法律知识 2023年银行卡账户已全额冻结不可交易银行卡账户已全额冻结不可交易 -法律知识银行卡账户已全额冻结不可交易？银行卡全额冻结不可交易法律问题法院不得冻结的20个账户打麻将处罚是不是很严厉？ aerial navigation aerial observation administrative organ for labor reform work administrative organ for law enforcement administrative organ for prices administrative organ for registration of enterprise names administrative organ for tax revenue collection administrative organ for urban construction administrative organ for water traffic administrative organic law administrative organ in charge of construction control administrative organization administrative organization of copyright administrative organ of environmental protection administrative organ of foreign affairs administrative organ of health administrative organ of justice administrative organ of physical culture and sports administrative organ of reconsideration administrative organ of science and technology administrative organ of the single-head system administrative pact administrative penalties imposed by tax authorities administrative penalties in forestry administrative penalties in respect of land management

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