An applicant for a patent has to meet several statutory requirements before the application for a patent is allowed and issued as a patent. In addition, there are several statutory bars which will preclude an applicant from obtaining a patent.One such bar can be the prior sale of an invention claimed within a patent application. However, due to a change in the law, a sale that would have previously been a bar under the old law may not be a bar under the current law.The Leahy-Smith America Invents Act went into full force …