the US government department that is responsible for trademarks and patents(= official documents that give people the right to make, use or sell an invention, and stop other people from copying it). It is based in Virginia.
اداره ثبت اختراعات و علائم تجاری, اداره حق ثبت اختراع و علامت تجاری, اداره علائم تجاری و اختراعات, نهاد ثبت اختراعات و علائم تجاری