Which of the Following Must Be Satisfied in Order for a Patent,other

Multiple Choice

Which of the following must be satisfied in order for a patent,other than a design patent,to be granted?

A) The object of the patent must be antiquated.
B) The object of the patent must be non-utilitarian.
C) The object of the patent must be obvious.
D) The object of the patent must be non-obvious.
E) The object of the patent must be novel,useful,and nonobvious.