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Where is appft?
America.

AppFT refers to the website of the United States Patent and Trademark Office, which is the official government website established by the United States Patent and Trademark Office.

The United States Patent and Trademark Office collected American patent documents from 1790, and different patent information was collected in different databases. Among them, PatFT database can search American invention patents, design patents, plant patents, sublicensed patents, legally registered inventions and so on. Authorized from 1790. AppFT database can retrieve the disclosure of invention patent applications and plant patent applications since March, 20001year, and PublicPAIR database can retrieve the basic information of patent applications and authorized patents, relevant literature information of the examination process, etc.