특허출원이 · 특허출원을
patent application, filing for a patent
Example
연구팀은 새 기술에 대해 특허출원을 마쳤습니다.
The research team finished filing a patent for the new technology.
Word parts
특 special+허 permit+출 put out+원 request
Literally 'special permission, put-forth request.'
Good to know
Pronounced [트커추뤈].