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.
Age: Middle-Miocene to Pliocene (approximately 16 to 2.6 million years ago) Megalodon evolved from Carcharocles Subauriculatus sometime in the Miocene, and became extinct at the end of the Pliocene 2.6 million years ago. It is not alive today, and has been dead for millions of years. Tooth Size: Over 7 inches. It has the largest teeth of any shark. Although the largest tooth from megalodon is a a little over 7 inches, A more common size for megalodon teeth is between 3 and 5 inches. Body Size: up to 60 feet and 65 tons. The more reliable body size estimates go up to around 60 feet.