国家知识产权公共服务平台

您可以通过PATENTSCOPE检索1.23亿专利文件，其中包含513万已公布的国际专利申请（PCT）。

The European Patent Office (EPO) examines European patent applications, enabling inventors, researchers and companies from around the world to obtain protection for their inventions in up to 46 countries through a centralised and uniform procedure that requires just one application.