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After the applicant successfully overcome the office action during the examination and searchprocedure as well as the third party's observation (if any), the application will be granted subjectto the payment of relevant fees  (official fee and our attorney fee). The duration of aFrench patent is 20 years calculating from the filing date subject to the payment of annuities.在经过答复审查意见,公告以及第三方反对意见(如有)之后,申请人支付授权费(官费及我所代理费)将会取得专利授权。专利有效期为20 年,自申请日起算。当然,如果中间没有持续缴纳年费的话将会使专利失效。