全国专利代理公共服务平台

The United States Patent and Trademark Office (USPTO) is the federal agency under the Department of Commerce and is responsible for granting U.S. patents and registering trademarks. Our mission is to drive U.S. innovation and global competitiveness for the benefit of all Americans.

日本专利信息平台（J-PlatPat）

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.