文章对中国国家知识产权局（SIPO）专利数据库中海洋能专利授权情况进行了分类统计。
Wherefore, ocean energy conversion patents in State Intellectual Property Office of P. R. China(SIPO) are searched and sorted.
今年4月，美国专利商标局广州办事处和中国国家知识产权局在深圳联合开展了关于专利申请与执法的项目。
And in April, PTO Guangzhou and the State Intellectual Property Office jointly organized a program on patent filing and enforcement in Shenzhen.
今年4月，美国专利商标局广州办事处和中国国家知识产权局在深圳联合开展了关于专利申请与执法的项目。
And in April, PTO Guangzhou and the State Intellectual Property Office jointly organized a program on patent filing and enforcement in Shenzhen.
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