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问题	外观设计专利保护期限 -专利
释义	法律分析：外观专利的有效期限是申请日起10年,在这10年之内必须每年缴纳一定的年费才会维持专利权的有效。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	遗赠协议应该包含哪些内容遗赠的协议应该包含哪些内容遗赠的协议应该包含的内容是怎样的遗赠协议应该包含哪些内容？遗赠协议注意事项有哪些遗赠的协议应该包含什么遗赠的协议应该包含哪些内容和形式遗赠协议的法律要件遗赠的协议应该包含什么内容遗赠协议的必要内容有哪些？遗赠协议应该怎样有效自书遗嘱模板捐赠遗嘱怎样写才有效老人立遗嘱怎样写自书遗嘱的要求？自书遗嘱的写作要求自书遗嘱怎样才具有法律效力自书遗嘱怎么写有效力自书遗嘱怎么样写才有效力自书遗嘱效力是怎样写的自书遗嘱的遗嘱怎样写有效力自书遗遗嘱怎么写法律才有效自书遗嘱怎么写法律才有效？遗嘱自书应该怎么写，遗嘱具有法律效力自书遗嘱怎么写才有法律效果 laws and customs of maritime war laws and customs of war laws and decrees laws and ordinances of the Ming Dynasty laws and ordinances of the Qi Dynasty laws and ordinances of the Qin Dynasty laws and ordinances of the Southern Dynasties laws and ordinances of the Three Kingdoms laws and regulations laws and regulations of neutrality laws and regulations on adult education laws and regulations on business relations with foreigners laws and regulations on foreign exchange control laws and regulations on irrigation and water conservancy laws and regulations on joint management laws and regulations on land administration laws and regulations on market administration laws and regulations on private enterprises laws and regulations on the control and surveillance of prisoners laws and regulations on the prevention of water pollution laws and regulations on the protection of cultural relics laws and regulations on the protection of farmland laws and regulations on transfer of technology laws and regulations on wages laws and regulations on water

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