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	离婚时共同债务怎么认定民法典规定夫妻共同债务离婚后如何承担离婚后共同债务纠纷起诉前离婚债权的争议点有哪些离婚前债务是否共同承担责任夫妻起诉离婚都有哪些理由？离婚案件双方共同债务包括哪些离婚时关于共同债务怎么认定夫妻起诉离婚都有哪些理由民法典规定离婚时共同债务怎么认定夫妻起诉离婚都有哪些理由夫妻可以起诉离婚的情况包括哪些? 夫妻可以起诉离婚的情况包括哪些夫妻到哪个法院提起离婚诉讼夫妻离婚应向什么法院起诉离婚前的经营债务是否夫妻共同债务夫妻一方起诉离婚另一方不同意怎么办起诉离婚时一方不同意怎么办夫妻双方起诉离婚一方不同意离婚怎么办夫妻双方一方起诉离婚另一方不同意怎么办起诉离婚一方不同意能离吗？夫妻一方的婚前债务需要共同承担吗单方婚前债务是夫妻共同债务吗婚前债务离婚会一定要夫妻共同去承担吗？婚前债务属于夫妻共同债务吗 controversy over a contract of public performance controversy over a contract of sale controversy over a cooperative joint venture contract controversy over adoption controversy over a fiduciary contract controversy over agreements on contracting an enterprise controversy over a joint management of merchant shipping contract controversy over a labor contract controversy over a land contract controversy over a legacy and support agreement controversy over a loan contract controversy over a marine insurance contract controversy over a marine salvage contract controversy over a maritime contract controversy over an economic contract controversy over a purchase-and-sale agreement controversy over a seamen's contract controversy over assignment of luggage of passengers controversy over a technical service contract controversy over a technological development contract controversy over a technology contract controversy over a towage contract controversy over a wrecking contract controversy over bequeath controversy over bequest

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