date of the enactment of the Leahy-Smith America Invents Act under section 102 of title 35, United States Code, and with the same meaning of the terms in public use and on sale in this country as interpreted before the enactment of the Leahy-Smith America Invents Act. (d) Sense of congress It is the sense of Congress that— (1) reverting the United States patent system from a first-to-file system back to first-to-invent system will promote the progress of science and the useful arts by securing for limited times to inventors the exclusive rights to their discoveries and incentivize innovation and protect inventors’ rights