The legally recognized owner of an invention has the right to withhold or grant permission for the use of that invention, and that permission is granted through a license.
Niepce's son eventually fought for and won his father's right to be credited for this invention, but niepce's name was never as well known as was Daguerre's.
他的儿子为此奋斗，终于赢得了这项发明的拥有权，但尼埃普斯永远也不可能像达盖尔那样著名了。
3
The patent right for invention shall take effect as of the date of the announcement.