Clark kent invented an anti-kryptonite device on may 1, 2016. unbeknownst to clark, lex luthor also invented the identical device on april 30, 2016. clark, using superhuman typing speed, files his application the same day (may 1.) lex put his application in the mail (and he has a postmark to prove it) on may 1. who wins the patent?
a. clark wins, because he was the first to file. b. lex wins, because he was “first to invent.” c. lex wins, because clark will benefit more from the invention than anyone else on the planet. d. lex wins, because he can prove the date he filed the application by virtue of the postmark.