Obviousness is a critical element to patentability. In essence, even if the applicant can demonstrate patentable subject matter, utility and novelty, the patent will not issue if the invention is trivial.
While the earliest C. megalodon remains were reported from late Oligocene strata, around 28 million years old, a more reliable date for the origin of the species is the early Miocene, about 23 million years ago.
Answer by KidPrawn. Confidence votes 1.4K. The Mesozoic Era in the Triassic Period. Dinosaurs first appeared during the Triassic Period (250-230 million years ago) and were on the Earth through the Jurassic Period (200-145 million years ago) until the end of the Cretaceous Period (65 million years ago).This whole era is called the Mezozoic Era (250-65 million years ago).he dinosaurs died 65 million years ago, in the cretaceous period ,during the mesozoic era.