First to file and first to invent

（重定向自First to file）

First to file (FTF) and first to invent (FTI) are legal concepts that define who has the right to the grant of a patent for an invention. The first-to-file system is used in all countries, including the United States, which switched to a first-inventor-to-file (FITF) system on March 16, 2013 after the enactment of the America Invents Act.

单词	First to file
释义	First to file 原声例句 CNN 10 学生英语 2019年3月合集 It's a first to file trademark system. 这是第一个申请商标注册的系统。英语百科 First to file and first to invent （重定向自First to file） First to file (FTF) and first to invent (FTI) are legal concepts that define who has the right to the grant of a patent for an invention. The first-to-file system is used in all countries, including the United States, which switched to a first-inventor-to-file (FITF) system on March 16, 2013 after the enactment of the America Invents Act.
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