The USmoved to first to file years ago. Whoever files first gets it, except if he publishes it publicly there is a 1-year inventor's grace period (it would not

The USmoved to first to file years ago. Whoever files first gets it, except if he publishes it publicly there is a 1-year inventor's grace period (it would not apply to a self mail or private mail to other people). This is patent, not copyright.