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）。
数据统计
相关导航
J-PlatPat
日本专利信息平台（J-PlatPat）
全国专利代理公共服务平台
台湾智慧财产局
香港Patent Search
澳门经济及科技发展局
The European Patent Office
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.