sentences:  Lilly's defense is termed by some as the "Lilly written description" doctrine, as it entails the need for an extremely detailed and precise description of the action embodiment of the invention itself.On appeal, a three-member panel of the Federal Circuit overturned the lower court ruling, and invalidated the '516 patent.The basis of the ruling was that the '516 patent did not have a sufficient "written description" of the patented invention.