What is a key difference between U$.$S$.$ law and that of most other countries regarding patents on publicly disclosed innovations?Group of answer choicesMost nations other than the United States allow a one$-$year grace period after public disclosure.The United States requires innovations to be publicly disclosed for one year before a patent is filed.The United States allows a one$-$year grace period after a public disclosure.U$.$S$.$ patents only last for one year.